/* roulang page: index */
/* ============================================================
   设计变量
   ============================================================ */
:root{
  --amber:#FF6B1A;
  --amber-2:#FF8A3D;
  --amber-soft:rgba(255,107,26,.12);
  --amber-line:rgba(255,107,26,.45);
  --cyan:#16E0B0;
  --cyan-soft:rgba(22,224,176,.12);
  --cyan-line:rgba(22,224,176,.32);
  --yellow:#FFD24A;

  --ink:#0C0F0E;
  --ink-2:#0A0D0C;
  --panel:#141A18;
  --panel-2:#1B2320;
  --panel-3:#202B27;

  --paper:#F6F4EF;
  --paper-card:#FFFFFF;
  --paper-line:#E4E1D8;
  --paper-text:#14181A;
  --paper-dim:#5A6560;

  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.16);

  --t-main:#F2F4F2;
  --t-dim:#9FAAA4;
  --t-mute:#6E7A74;

  --r-xl:22px;
  --r-lg:16px;
  --r:14px;
  --r-sm:10px;
  --pill:999px;

  --sh-dark:0 18px 48px rgba(0,0,0,.42);
  --sh-soft:0 12px 32px rgba(20,24,26,.08);

  --ease:cubic-bezier(.2,.8,.2,1);
  --container:1240px;
  --sect-y:clamp(64px,8vw,116px);

  --ff:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --ff-num:"Inter","SF Mono",ui-monospace,Menlo,Consolas,monospace;
}

/* ============================================================
   Reset / Base
   ============================================================ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--t-main);
  font-family:var(--ff);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  letter-spacing:.004em;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;border:0}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease)}
a:hover{color:var(--amber)}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;padding:0}
input,textarea,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,h5,p,figure,ul,ol,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
hr{border:0;border-top:1px solid var(--line);margin:0}
:focus{outline:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
::selection{background:var(--amber);color:#0C0F0E}
input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-cancel-button{-webkit-appearance:none}

/* Foundation 覆盖 */
body,p,h1,h2,h3,h4,h5,button,input,select,textarea{font-family:var(--ff)}
.accordion{background:transparent;border:0;margin:0}
.accordion-title{font-size:inherit;line-height:inherit;padding:0;border:0;color:inherit;background:transparent}
.accordion-content{padding:0;border:0;background:transparent;color:inherit}
ul.accordion li.accordion-item{border:0;margin:0}

/* ============================================================
   通用容器与工具
   ============================================================ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 40px}
.section{padding:var(--sect-y) 0;position:relative}
.section--panel{background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--deep{background:linear-gradient(180deg,var(--ink) 0%,#0F1413 55%,var(--ink) 100%)}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:clamp(28px,3.4vw,44px);flex-wrap:wrap}
.section-head__main{max-width:720px}
.section-title{
  position:relative;
  padding-left:18px;
  font-size:clamp(24px,3vw,32px);
  font-weight:700;
  line-height:1.22;
  letter-spacing:-.02em;
  color:#fff;
}
.section-title::before{
  content:"";
  position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:28px;border-radius:3px;
  background:linear-gradient(180deg,var(--amber),var(--amber-2));
}
.section-sub{margin-top:12px;font-size:15px;line-height:1.75;color:var(--t-dim);max-width:660px}
.section-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--cyan);white-space:nowrap}
.section-link i{font-style:normal;transition:transform .24s var(--ease)}
.section-link:hover{color:var(--amber)}
.section-link:hover i{transform:translateX(4px)}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--ff-num);
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--amber);
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--amber);opacity:.7}

/* ============================================================
   按钮系统
   ============================================================ */
.btn{
  position:relative;
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 28px;
  border-radius:var(--pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  white-space:nowrap;
  overflow:hidden;
  isolation:isolate;
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease),
             border-color .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease);
}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.btn-primary{
  background:linear-gradient(135deg,var(--amber) 0%,var(--amber-2) 100%);
  color:#14100C;
  box-shadow:0 10px 26px rgba(255,107,26,.26);
}
.btn-primary::after{
  content:"";position:absolute;top:-20%;bottom:-20%;left:-70%;width:42%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);
  transform:skewX(-20deg);
  transition:left .42s var(--ease);
  pointer-events:none;
}
.btn-primary:hover{filter:brightness(1.06);transform:translateX(2px);color:#14100C}
.btn-primary:hover::after{left:130%}
.btn-primary:active{transform:translateX(2px) scale(.985)}

.btn-ghost{
  background:transparent;
  border:1px solid var(--cyan);
  color:var(--cyan);
}
.btn-ghost:hover{background:var(--cyan-soft);color:var(--cyan);border-color:var(--cyan)}
.btn-ghost:active{transform:scale(.985)}

.btn-dark{background:#14181A;color:#F2F4F2;border:1px solid var(--line-2)}
.btn-dark:hover{background:#20262a;color:#fff}

.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;filter:saturate(.4);pointer-events:none}

.link-arrow{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--amber)}
.link-arrow i{font-style:normal;transition:transform .24s var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}

/* ============================================================
   导航
   ============================================================ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(12,15,14,.35);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.12);
  box-shadow:0 8px 30px rgba(0,0,0,.22);
  transition:background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-solid{
  background:rgba(12,15,14,.94);
  border-bottom-color:var(--line);
  box-shadow:0 12px 34px rgba(0,0,0,.42);
}
.nav-inner{
  display:flex;align-items:center;gap:26px;
  height:84px;
  transition:height .22s var(--ease);
}
.site-header.is-solid .nav-inner{height:64px}

.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  position:relative;
  width:36px;height:36px;flex:0 0 36px;
  border-radius:11px;
  background:linear-gradient(140deg,var(--amber),#FFA05C);
  box-shadow:0 8px 22px rgba(255,107,26,.34);
  display:block;
}
.brand-mark i{position:absolute;display:block;background:#0C0F0E;border-radius:2px}
.brand-mark i:nth-child(1){width:4px;height:13px;left:9px;top:12px}
.brand-mark i:nth-child(2){width:4px;height:20px;left:16px;top:8px}
.brand-mark i:nth-child(3){width:4px;height:9px;left:23px;top:14px}
.brand-text{
  font-size:20px;font-weight:800;letter-spacing:-.02em;color:#fff;
  white-space:nowrap;line-height:1.1;
}
.brand-text em{font-style:normal;color:var(--amber)}

.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  color:rgba(255,255,255,.76);
  border-radius:var(--r-sm);
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.nav-links a::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;
  background:var(--amber);
  transform:scaleX(0);transform-origin:left center;
  transition:transform .26s var(--ease);
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:#fff;font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}

.nav-tools{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-search{
  display:flex;align-items:center;gap:9px;
  height:42px;padding:0 16px;
  border:1px solid var(--line-2);
  border-radius:var(--pill);
  background:rgba(255,255,255,.05);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.nav-search:focus-within{
  border-color:var(--amber-line);
  box-shadow:0 0 0 3px rgba(255,107,26,.14);
  background:rgba(255,255,255,.08);
}
.nav-search svg{width:15px;height:15px;stroke:rgba(255,255,255,.55);fill:none;stroke-width:2;flex:0 0 15px}
.nav-search input{
  width:140px;border:0;background:none;outline:none;
  color:#fff;font-size:14px;line-height:1;
}
.nav-search input::placeholder{color:rgba(255,255,255,.42)}

.menu-toggle{
  display:none;
  width:44px;height:44px;flex:0 0 44px;
  border-radius:12px;
  border:1px solid var(--line-2);
  background:rgba(255,255,255,.05);
  align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
  transition:background .22s var(--ease),border-color .22s var(--ease);
}
.menu-toggle:hover{background:rgba(255,255,255,.1)}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;transition:transform .24s var(--ease),opacity .24s var(--ease)}
.menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.is-open span:nth-child(2){opacity:0}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-drawer{
  position:fixed;inset:0;z-index:80;
  padding:110px 24px 48px;
  background:rgba(10,13,12,.9);
  backdrop-filter:blur(24px) saturate(140%);
  -webkit-backdrop-filter:blur(24px) saturate(140%);
  opacity:0;visibility:hidden;
  transform:translateY(-14px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s linear;
  overflow-y:auto;
}
.mobile-drawer.open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;padding:0 4px;
  font-size:16px;color:rgba(255,255,255,.82);
  border-bottom:1px solid var(--line);
}
.drawer-nav a::after{content:"→";font-size:14px;color:rgba(255,255,255,.3);transition:transform .24s var(--ease),color .24s var(--ease)}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--amber)}
.drawer-nav a:hover::after{transform:translateX(4px);color:var(--amber)}
.drawer-search{
  display:flex;align-items:center;gap:10px;
  margin-top:28px;height:50px;padding:0 18px;
  border:1px solid var(--line-2);border-radius:var(--pill);
  background:rgba(255,255,255,.05);
}
.drawer-search input{width:100%;border:0;background:none;outline:none;color:#fff;font-size:15px}
.drawer-search input::placeholder{color:rgba(255,255,255,.4)}
.drawer-cta{margin-top:22px}

/* ============================================================
   Hero
   ============================================================ */
.hero{
  position:relative;
  min-height:88vh;
  display:flex;align-items:center;
  padding:150px 0 110px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center right;
  transform:scale(1.03);
}
.hero-mask{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(12,15,14,.97) 0%,rgba(12,15,14,.88) 36%,rgba(12,15,14,.42) 70%,rgba(12,15,14,.78) 100%),
    linear-gradient(180deg,rgba(12,15,14,.88) 0%,rgba(12,15,14,.10) 34%,rgba(12,15,14,.94) 100%);
}
.hero-grain{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,transparent,#000 40%,transparent);
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 40%,transparent);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:3;max-width:860px}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 16px;margin-bottom:26px;
  border-radius:var(--pill);
  background:rgba(22,224,176,.10);
  border:1px solid var(--cyan-line);
  color:var(--cyan);
  font-size:13px;letter-spacing:.02em;
}
.hero-badge .dot{
  width:7px;height:7px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 4px rgba(22,224,176,.16);
  animation:pulseDot 2.4s var(--ease) infinite;
}
@keyframes pulseDot{
  0%,100%{box-shadow:0 0 0 4px rgba(22,224,176,.16)}
  50%{box-shadow:0 0 0 10px rgba(22,224,176,.03)}
}
.hero h1{
  font-size:clamp(34px,5vw,64px);
  font-weight:800;
  line-height:1.06;
  letter-spacing:-.03em;
  color:#fff;
  max-width:16em;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--amber),var(--yellow));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  margin-top:24px;
  font-size:clamp(16px,1.4vw,18px);
  line-height:1.75;
  color:rgba(255,255,255,.74);
  max-width:620px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:14px 30px;
  margin-top:44px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.1);
}
.hero-meta div{display:flex;align-items:baseline;gap:8px}
.hero-meta strong{
  font-family:var(--ff-num);
  font-size:22px;font-weight:700;color:#fff;letter-spacing:-.01em;
}
.hero-meta span{font-size:13px;color:var(--t-dim)}

.scroll-hint{
  position:absolute;right:40px;bottom:44px;z-index:3;
  display:flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.42);
  writing-mode:vertical-rl;
}
.scroll-hint::after{
  content:"";width:1px;height:52px;
  background:linear-gradient(180deg,rgba(255,255,255,.4),transparent);
  animation:scrollDrop 2.2s var(--ease) infinite;
}
@keyframes scrollDrop{
  0%{transform:scaleY(.25);transform-origin:top;opacity:0}
  40%{opacity:1}
  100%{transform:scaleY(1);transform-origin:top;opacity:0}
}

/* ============================================================
   卡片系统
   ============================================================ */
.card{
  position:relative;
  display:flex;flex-direction:column;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  transition:transform .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--amber-line);
  background:var(--panel-2);
  box-shadow:var(--sh-dark);
}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(135deg,#1B2320 0%,#0F1513 100%);
}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(10,13,12,.72) 100%);
  pointer-events:none;
}
.card-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .38s var(--ease);
}
.card:hover .card-media img{transform:scale(1.04)}
.card-badge{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:5px 11px;
  border-radius:var(--pill);
  font-size:12px;font-weight:600;line-height:1.4;
  color:var(--cyan);
  background:rgba(12,15,14,.7);
  border:1px solid var(--cyan-line);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  white-space:nowrap;
}
.card-badge--hot{color:#231A00;background:var(--yellow);border-color:var(--yellow)}
.card-time{
  position:absolute;right:12px;bottom:12px;z-index:2;
  padding:4px 9px;border-radius:8px;
  font-family:var(--ff-num);font-size:12px;
  color:rgba(255,255,255,.86);
  background:rgba(12,15,14,.68);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{
  font-size:18px;font-weight:600;line-height:1.42;letter-spacing:-.01em;
  color:#fff;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .22s var(--ease);
}
.card:hover .card-title{color:var(--amber)}
.card-desc{
  font-size:14px;line-height:1.72;color:var(--t-dim);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;padding-top:6px;
  display:flex;align-items:center;gap:10px;
  font-size:12.5px;color:var(--t-mute);letter-spacing:.02em;
}
.card-meta em{font-style:normal;width:3px;height:3px;border-radius:50%;background:currentColor;opacity:.6}
.card-link{position:absolute;inset:0;z-index:3}

/* ============================================================
   横滑片库
   ============================================================ */
.scroller-wrap{position:relative}
.scroller{
  display:flex;gap:22px;
  overflow-x:auto;overflow-y:hidden;
  scroll-snap-type:x mandatory;
  padding:4px 2px 26px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.scroller::-webkit-scrollbar{display:none}
.scroller > *{flex:0 0 306px;scroll-snap-align:start}
.scroller-fade{
  position:absolute;top:0;bottom:26px;width:80px;pointer-events:none;z-index:2;
}
.scroller-fade--r{right:0;background:linear-gradient(90deg,transparent,var(--ink))}
.scroller-fade--l{left:0;background:linear-gradient(270deg,transparent,var(--ink))}
.scroller-nav{display:flex;gap:10px}
.scroller-btn{
  width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line-2);
  background:rgba(255,255,255,.05);
  color:#fff;font-size:16px;
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.scroller-btn:hover{background:var(--amber-soft);border-color:var(--amber-line);color:var(--amber);transform:translateY(-2px)}

/* ============================================================
   精选区（1 大 + 3 小）
   ============================================================ */
.feature-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:22px;
}
.feature-side{display:grid;gap:16px;grid-template-rows:repeat(3,1fr)}
.feature-main{position:relative;display:block}
.feature-main .card-media{aspect-ratio:16/10;height:100%}
.feature-main .card-body{gap:14px;padding:26px 28px 28px}
.feature-main .card-title{font-size:clamp(22px,2.2vw,28px);-webkit-line-clamp:2}
.feature-main .card-desc{font-size:15px;-webkit-line-clamp:2;color:#BAC4BF}
.feature-side .card{flex-direction:row;align-items:stretch}
.feature-side .card-media{
  flex:0 0 132px;aspect-ratio:auto;min-height:104px;
}
.feature-side .card-media::after{background:linear-gradient(90deg,transparent 55%,rgba(20,26,24,.9) 100%)}
.feature-side .card-body{padding:14px 16px;gap:6px}
.feature-side .card-title{font-size:15.5px;-webkit-line-clamp:2}
.feature-side .card-desc{display:none}
.feature-side .card-meta{font-size:12px}

/* ============================================================
   Tabs 专区
   ============================================================ */
.tabs-nav{
  position:relative;
  display:flex;gap:6px;
  border-bottom:1px solid var(--line);
  margin-bottom:34px;
  overflow-x:auto;scrollbar-width:none;
}
.tabs-nav::-webkit-scrollbar{display:none}
.tab-btn{
  position:relative;
  padding:12px 18px 16px;
  font-size:15px;font-weight:600;
  color:var(--t-dim);
  white-space:nowrap;
  transition:color .22s var(--ease);
}
.tab-btn:hover{color:#fff}
.tab-btn.is-active{color:#fff}
.tab-bar{
  position:absolute;left:0;bottom:-1px;height:2px;width:0;
  background:linear-gradient(90deg,var(--amber),var(--amber-2));
  border-radius:2px;
  transition:transform .26s var(--ease),width .26s var(--ease);
}
.tabs-panel{display:none}
.tabs-panel.is-active{display:block;animation:fadeUp .34s var(--ease) both}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}

/* ============================================================
   最新信息（CMS 列表）
   ============================================================ */
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px}
.news-item{
  display:block;
  padding:24px 4px;
  border-bottom:1px solid var(--line);
  transition:background .22s var(--ease);
}
.news-item:hover{background:rgba(255,255,255,.024)}
.news-head{display:flex;align-items:center;gap:12px;margin-bottom:10px;flex-wrap:wrap}
.news-cat{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:var(--pill);
  font-size:12px;font-weight:600;color:var(--amber);
  background:var(--amber-soft);
  border:1px solid rgba(255,107,26,.28);
}
.news-date{font-family:var(--ff-num);font-size:12.5px;color:var(--t-mute);letter-spacing:.02em}
.news-title{
  font-size:17px;font-weight:600;line-height:1.5;color:#fff;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .22s var(--ease);
}
.news-item:hover .news-title{color:var(--amber)}
.news-desc{
  margin-top:8px;font-size:14px;line-height:1.72;color:var(--t-dim);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-more{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:12px;font-size:13px;font-weight:600;color:var(--t-mute);
  transition:color .22s var(--ease);
}
.news-item:hover .news-more{color:var(--cyan)}
.news-more i{font-style:normal;transition:transform .24s var(--ease)}
.news-item:hover .news-more i{transform:translateX(4px)}

.empty-state{
  padding:56px 24px;
  text-align:center;
  border:1px dashed var(--line-2);
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.02);
}
.empty-state p{font-size:15px;color:var(--t-dim)}
.empty-state .btn{margin-top:20px}

/* ============================================================
   数据条
   ============================================================ */
.trust{
  position:relative;
  overflow:hidden;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.trust-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center 30%;
  opacity:.32;
}
.trust-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,15,14,.94),rgba(12,15,14,.86))}
.trust-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:24px;
  padding:64px 0;
}
.stat{padding-left:20px;border-left:2px solid rgba(255,255,255,.12);transition:border-color .24s var(--ease)}
.stat:hover{border-left-color:var(--amber)}
.stat-num{
  display:flex;align-items:baseline;gap:4px;
  font-family:var(--ff-num);
  font-size:clamp(30px,3.6vw,44px);
  font-weight:700;line-height:1;letter-spacing:-.03em;color:#fff;
}
.stat-num em{font-style:normal;font-size:15px;font-weight:600;color:var(--amber);letter-spacing:0}
.stat-label{margin-top:12px;font-size:14px;line-height:1.6;color:var(--t-dim)}

/* ============================================================
   FAQ
   ============================================================ */
.faq-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:56px;align-items:start}
.accordion-item{
  border:1px solid var(--line) !important;
  border-radius:var(--r) !important;
  background:var(--panel);
  margin-bottom:12px !important;
  overflow:hidden;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.accordion-item:hover{border-color:var(--line-2) !important}
.accordion-item.is-active{border-color:var(--amber-line) !important;background:var(--panel-2)}
.accordion-title{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px 20px 26px !important;
  font-size:16px !important;font-weight:600 !important;
  color:#F2F4F2 !important;
  background:transparent !important;
  border:0 !important;
  transition:color .22s var(--ease);
}
.accordion-title:hover{color:var(--amber) !important}
.accordion-title::before{display:none !important}
.accordion-title::after{
  content:"";
  flex:0 0 12px;
  width:10px;height:10px;
  border-right:2px solid var(--t-dim);
  border-bottom:2px solid var(--t-dim);
  transform:rotate(45deg) translateY(-2px);
  transition:transform .26s var(--ease),border-color .24s var(--ease);
}
.accordion-item.is-active .accordion-title::after{transform:rotate(-135deg) translateY(-2px);border-color:var(--amber)}
.accordion-item.is-active .accordion-title::before{
  content:"";display:block !important;
  position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--amber);
}
.accordion-content{
  padding:0 24px 22px 26px !important;
  font-size:14.5px !important;line-height:1.85 !important;
  color:var(--t-dim) !important;
  border-top:1px solid var(--line) !important;
  padding-top:18px !important;
}
.faq-extra{
  margin-top:18px;padding:22px 24px;
  border-radius:var(--r);
  border:1px solid var(--cyan-line);
  background:linear-gradient(140deg,rgba(22,224,176,.08),rgba(22,224,176,.02));
}
.faq-extra h4{font-size:15px;font-weight:700;color:var(--cyan);margin-bottom:8px}
.faq-extra p{font-size:14px;line-height:1.8;color:var(--t-dim)}

/* ============================================================
   CTA 横幅
   ============================================================ */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line)}
.cta-band-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  opacity:.4;
}
.cta-band-mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,15,14,.96) 0%,rgba(12,15,14,.78) 48%,rgba(255,107,26,.22) 100%);
}
.cta-band-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  padding:clamp(52px,6vw,80px) 0;
  flex-wrap:wrap;
}
.cta-band h2{
  font-size:clamp(26px,3.6vw,42px);
  font-weight:800;line-height:1.14;letter-spacing:-.03em;color:#fff;max-width:18em;
}
.cta-band h2 em{font-style:normal;color:var(--amber)}
.cta-band p{margin-top:14px;font-size:15px;line-height:1.75;color:rgba(255,255,255,.72);max-width:560px}
.cta-band-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{
  background:#080A09;
  border-top:1px solid var(--line);
  padding-top:72px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.2fr;
  gap:44px;
  padding-bottom:56px;
}
.footer-brand .brand{margin-bottom:20px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--t-dim);max-width:380px}
.footer-status{
  display:inline-flex;align-items:center;gap:9px;
  margin-top:20px;padding:7px 14px;
  border-radius:var(--pill);
  border:1px solid var(--cyan-line);
  background:rgba(22,224,176,.07);
  font-size:12.5px;color:var(--cyan);
}
.footer-status .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);animation:pulseDot 2.4s var(--ease) infinite}
.footer-col h4{
  font-size:14px;font-weight:700;letter-spacing:.04em;
  color:#fff;margin-bottom:20px;
  display:flex;align-items:center;gap:9px;
}
.footer-col h4::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--amber)}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:var(--t-dim);display:inline-block}
.footer-col a:hover{color:var(--amber);transform:translateX(2px)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 0 28px;
  border-top:1px solid var(--line);
  flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--t-mute);letter-spacing:.01em}
.footer-bottom .domain{font-family:var(--ff-num);color:var(--t-dim)}

/* ============================================================
   返回顶部
   ============================================================ */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(20,26,24,.9);
  border:1px solid var(--line-2);
  color:#fff;font-size:16px;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s,border-color .24s var(--ease),color .24s var(--ease);
}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{border-color:var(--amber-line);color:var(--amber)}

/* ============================================================
   进场动效
   ============================================================ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1280px){
  .container{padding:0 32px}
  .nav-search input{width:112px}
  .card-grid{grid-template-columns:repeat(3,1fr);gap:20px}
}
@media (max-width:1140px){
  .nav-search{display:none}
}
@media (max-width:1024px){
  .nav-links{display:none}
  .menu-toggle{display:flex}
  .nav-inner{height:72px}
  .site-header.is-solid .nav-inner{height:60px}
  .hero{min-height:auto;padding:132px 0 88px}
  .hero-bg{background-position:center}
  .feature-grid{grid-template-columns:1fr}
  .feature-side{grid-template-columns:1fr;grid-template-rows:none}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:32px 24px;padding:52px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .news-list{grid-template-columns:1fr;gap:0}
  .scroll-hint{display:none}
}
@media (max-width:900px){
  .container{padding:0 24px}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .scroller > *{flex:0 0 268px}
  .feature-side .card-media{flex:0 0 108px}
}
@media (max-width:600px){
  .container{padding:0 16px}
  :root{--sect-y:clamp(52px,9vw,72px)}
  .brand-text{font-size:17px}
  .brand-mark{width:32px;height:32px;flex:0 0 32px}
  .brand-mark i:nth-child(1){left:8px;top:11px;height:11px}
  .brand-mark i:nth-child(2){left:14px;top:7px;height:18px}
  .brand-mark i:nth-child(3){left:20px;top:13px;height:8px}
  .nav-inner{gap:14px}
  .hero{padding:118px 0 72px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .hero-meta{gap:12px 22px;margin-top:34px}
  .hero-meta strong{font-size:19px}
  .card-grid{grid-template-columns:1fr;gap:14px}
  .scroller > *{flex:0 0 78%}
  .scroller-fade{width:40px}
  .feature-main .card-body{padding:20px 18px 22px}
  .feature-side .card{flex-direction:column}
  .feature-side .card-media{flex:none;aspect-ratio:16/9;min-height:0}
  .trust-grid{grid-template-columns:1fr 1fr;gap:26px 18px;padding:44px 0}
  .stat{padding-left:14px}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .accordion-title{padding:18px 18px 18px 20px !important;font-size:15px !important}
  .accordion-content{padding:16px 20px 20px !important}
  .cta-band-inner{flex-direction:column;align-items:flex-start}
  .cta-band-actions{width:100%;flex-direction:column}
  .cta-band-actions .btn{width:100%}
  .to-top{right:16px;bottom:16px;width:44px;height:44px}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px}
}

/* roulang page: article */
:root{
  --amber:#FF6B1A;
  --amber-lift:#FF8340;
  --amber-soft:rgba(255,107,26,.12);
  --cyan:#16E0B0;
  --cyan-soft:rgba(22,224,176,.12);
  --yellow:#FFD24A;
  --ink:#0C0F0E;
  --panel:#141A18;
  --panel-2:#1B2320;
  --paper:#F6F4EF;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#F1F4F2;
  --text-2:#A9B3AE;
  --text-3:#79837D;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:10px;
  --pill:999px;
  --shadow-soft:0 18px 44px rgba(0,0,0,.42);
  --shadow-light:0 12px 32px rgba(20,24,26,.08);
  --container:1240px;
  --ease:cubic-bezier(.2,.8,.2,1);
  --gap-section:clamp(64px,8vw,110px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.drawer-open{overflow:hidden}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
img{max-width:100%;display:block;border-style:none}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding-left:1.3em}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 40px}
.container.wide{max-width:1360px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--amber);font-weight:700;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px var(--cyan-soft)}

/* ============ header / nav ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  height:84px;display:flex;align-items:center;
  background:rgba(12,15,14,.35);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.12);
  box-shadow:0 10px 30px rgba(0,0,0,.22);
  transition:height .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-stuck{height:64px;background:rgba(12,15,14,.94);box-shadow:0 14px 34px rgba(0,0,0,.5)}
.header-inner{display:flex;align-items:center;gap:28px;width:100%;max-width:1360px;margin:0 auto;padding:0 40px}
.brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:800;letter-spacing:-.02em;color:#fff;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;flex-shrink:0;border-radius:11px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:3px;align-items:end;padding:7px;
  background:linear-gradient(150deg,var(--amber),#ff9a4d);
  box-shadow:0 8px 18px rgba(255,107,26,.28);
}
.brand-mark i{display:block;background:#0C0F0E;border-radius:2px;opacity:.9}
.brand-mark i:nth-child(1){height:52%}
.brand-mark i:nth-child(2){height:100%}
.brand-mark i:nth-child(3){height:74%}
.brand-text em{font-style:normal;color:var(--amber);margin-left:2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-links a{
  position:relative;padding:10px 14px;font-size:15px;color:var(--text-2);
  border-radius:var(--radius-sm);transition:color .2s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;
  background:var(--amber);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:#fff}
.nav-links a.active::after{transform:scaleX(1)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:8px;height:42px;padding:0 16px;min-width:180px;
  border:1px solid var(--line-strong);border-radius:var(--pill);color:var(--text-3);
  font-size:14px;background:rgba(255,255,255,.04);cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-search:hover{border-color:var(--cyan);color:var(--text-2)}
.nav-search svg{width:16px;height:16px;flex-shrink:0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--pill);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn-primary{background:var(--amber);color:#161009;box-shadow:0 10px 24px rgba(255,107,26,.26);position:relative;overflow:hidden}
.btn-primary::after{
  content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);
  transform:skewX(-18deg);transition:left .4s var(--ease);
}
.btn-primary:hover{background:var(--amber-lift);transform:translateX(2px)}
.btn-primary:hover::after{left:120%}
.btn-ghost{background:transparent;border-color:var(--cyan);color:var(--cyan)}
.btn-ghost:hover{background:var(--cyan-soft)}
.btn-quiet{background:rgba(255,255,255,.05);border-color:var(--line-strong);color:var(--text)}
.btn-quiet:hover{border-color:var(--amber);color:var(--amber)}
.btn:disabled,.btn[disabled]{filter:saturate(.4);opacity:.6;cursor:not-allowed}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.05);
  cursor:pointer;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:50%;width:18px;height:2px;background:#fff;border-radius:2px;
  transform:translateX(-50%);transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{top:-6px;left:0;transform:none}
.nav-toggle span::after{top:6px;left:0;transform:none}
.nav-drawer{
  position:fixed;inset:0;z-index:79;padding:110px 24px 40px;
  background:rgba(9,12,11,.86);
  -webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);
  transform:translateY(-8px);opacity:0;pointer-events:none;
  transition:opacity .24s var(--ease),transform .24s var(--ease);
  overflow-y:auto;
}
.nav-drawer.open{opacity:1;transform:translateY(0);pointer-events:auto}
.nav-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:44px;padding:14px 4px;font-size:17px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.nav-drawer a:hover,.nav-drawer a.active{color:var(--amber)}
.nav-drawer .drawer-cta{margin-top:28px;display:flex;flex-direction:column;gap:12px;border:0;padding:0}
.nav-drawer .drawer-cta .btn{width:100%}

/* ============ article hero ============ */
.article-hero{
  position:relative;padding:150px 0 56px;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(12,15,14,.86) 0%,rgba(12,15,14,.92) 52%,var(--ink) 100%),url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center right;
}
.article-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;background:var(--line);
}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:26px;flex-wrap:nowrap;overflow:hidden}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--amber)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{
  color:var(--text-2);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-hero h1{
  font-size:clamp(30px,4.4vw,52px);font-weight:800;letter-spacing:-.03em;line-height:1.14;
  max-width:22ch;color:#fff;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;
  margin-top:26px;font-size:13.5px;color:var(--text-2);letter-spacing:.01em;
}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:var(--pill);font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:var(--amber-soft);color:var(--amber);border:1px solid rgba(255,107,26,.28);
}
.chip-cyan{background:var(--cyan-soft);color:var(--cyan);border-color:rgba(22,224,176,.3)}
.chip-yellow{background:rgba(255,210,74,.14);color:var(--yellow);border-color:rgba(255,210,74,.3)}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--text-3)}

/* ============ article body ============ */
.article-section{padding:56px 0 var(--gap-section)}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:start}
.article-col{min-width:0;max-width:860px}
.cover-figure{margin:0 0 44px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);position:relative;background:linear-gradient(135deg,var(--panel),var(--panel-2))}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.cover-figure figcaption{padding:12px 18px;font-size:12.5px;color:var(--text-3);border-top:1px solid var(--line)}
.article-body{font-size:16.5px;line-height:1.9;color:#DDE3DF}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em;color:#DDE3DF}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,27px);font-weight:700;color:#fff;
  letter-spacing:-.015em;margin:2.2em 0 .8em;padding-left:18px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:2px;
  background:var(--amber);
}
.article-body h3{font-size:19px;font-weight:700;color:#fff;margin:1.9em 0 .7em}
.article-body h4{font-size:17px;color:var(--text);margin:1.6em 0 .6em}
.article-body a{color:var(--amber);border-bottom:1px solid rgba(255,107,26,.5)}
.article-body a:hover{color:var(--cyan);border-bottom-color:rgba(22,224,176,.6)}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.4em}
.article-body li{margin-bottom:.6em}
.article-body li::marker{color:var(--amber)}
.article-body blockquote{
  margin:1.8em 0;padding:20px 26px;border-left:3px solid var(--cyan);
  background:rgba(22,224,176,.07);border-radius:0 var(--radius) var(--radius) 0;
  color:#E6EEE9;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius);margin:1.8em 0;border:1px solid var(--line)}
.article-body figure{margin:1.8em 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-3);margin-top:10px}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:1.8em 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.article-body thead th{background:#0A0D0C;color:#fff;font-weight:600;text-align:left;padding:14px 16px;font-size:14px}
.article-body tbody td{padding:13px 16px;border-top:1px solid var(--line);color:var(--text-2)}
.article-body tbody tr:nth-child(even) td{background:rgba(255,255,255,.02)}
.article-body code{font-family:"SF Mono",ui-monospace,Menlo,Consolas,monospace;font-size:14px;background:rgba(255,255,255,.07);padding:2px 7px;border-radius:6px;color:var(--cyan)}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.4em 0}

.empty-state{
  padding:56px 32px;border:1px dashed var(--line-strong);border-radius:var(--radius-lg);
  background:rgba(255,255,255,.02);text-align:center;
}
.empty-state h2{font-size:22px;color:#fff;margin-bottom:12px}
.empty-state p{color:var(--text-2);max-width:44ch;margin:0 auto 22px}

/* tags + nav posts */
.article-tail{margin-top:52px;padding-top:34px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:38px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--pill);
  font-size:13px;color:var(--text-2);border:1px solid var(--line-strong);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.tag:hover{border-color:var(--amber);color:var(--amber)}
.postnav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.postnav-card{
  display:block;padding:22px 24px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--panel);transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.postnav-card:hover{transform:translateY(-4px);border-color:rgba(255,107,26,.5)}
.postnav-card span{display:block;font-size:12.5px;color:var(--text-3);letter-spacing:.08em;margin-bottom:8px}
.postnav-card strong{display:block;font-size:16px;font-weight:600;color:#fff;line-height:1.5;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.postnav-card:hover strong{color:var(--amber)}

/* sidebar */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
.side-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:22px 22px 18px}
.side-card h3{font-size:15px;color:#fff;display:flex;align-items:center;gap:9px;margin-bottom:16px}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--amber)}
.side-list{list-style:none;margin:0;padding:0}
.side-list li + li{border-top:1px solid var(--line)}
.side-list a{display:flex;gap:12px;padding:12px 0;font-size:14.5px;color:var(--text-2);line-height:1.6}
.side-list a:hover{color:var(--amber)}
.side-list b{font-family:"SF Mono",ui-monospace,Menlo,Consolas,monospace;font-size:13px;color:var(--cyan);font-weight:600;flex-shrink:0;line-height:1.75}
.side-cta{background:linear-gradient(160deg,rgba(255,107,26,.16),rgba(22,224,176,.09));border-color:rgba(255,107,26,.3)}
.side-cta p{font-size:14px;color:var(--text-2);margin:0 0 16px}
.side-cta .btn{width:100%}

/* related */
.section{padding:0 0 var(--gap-section)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:700;color:#fff;padding-left:18px;position:relative;letter-spacing:-.02em}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--amber)}
.section-head p{margin:10px 0 0 18px;font-size:14.5px;color:var(--text-2);max-width:60ch}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--panel);overflow:hidden;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(255,107,26,.5);box-shadow:var(--shadow-soft)}
.card-media{position:relative;overflow:hidden;background:linear-gradient(135deg,#1d2b26,#121816)}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-badge{
  position:absolute;top:12px;left:12px;height:26px;padding:0 11px;border-radius:var(--pill);
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;
  background:rgba(12,15,14,.78);color:var(--amber);border:1px solid rgba(255,107,26,.4);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{
  font-size:18.5px;font-weight:600;color:#fff;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card:hover .card-body h3{color:var(--amber)}
.card-body p{
  font-size:14.5px;line-height:1.7;color:var(--text-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3)}

/* CTA banner */
.cta-banner{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid rgba(255,107,26,.28);
  background:linear-gradient(120deg,rgba(255,107,26,.16),rgba(12,15,14,.6) 46%,rgba(22,224,176,.14));
  padding:56px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-banner::before{
  content:"";position:absolute;right:-80px;top:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,26,.22),transparent 68%);
}
.cta-banner h2{font-size:clamp(24px,3.4vw,38px);font-weight:800;color:#fff;letter-spacing:-.03em;line-height:1.2;max-width:20ch}
.cta-banner p{margin:14px 0 0;color:var(--text-2);font-size:15px;max-width:46ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}

/* footer */
.site-footer{border-top:1px solid var(--line);background:#090C0B;padding:72px 0 32px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px}
.footer-brand p{font-size:14.5px;color:var(--text-2);margin:18px 0 20px;max-width:36ch;line-height:1.8}
.footer-status{display:inline-flex;align-items:center;gap:9px;font-size:13px;color:var(--cyan);
  padding:7px 14px;border-radius:var(--pill);border:1px solid rgba(22,224,176,.3);background:var(--cyan-soft)}
.footer-status .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(22,224,176,.16)}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li + li{margin-top:11px}
.footer-col a{font-size:14.5px;color:var(--text-2)}
.footer-col a:hover{color:var(--amber)}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom p{margin:0}
.footer-bottom .domain{font-family:"SF Mono",ui-monospace,Menlo,Consolas,monospace;color:var(--text-2)}

.to-top{
  position:fixed;right:24px;bottom:26px;z-index:70;
  width:48px;height:48px;border-radius:50%;border:1px solid var(--line-strong);
  background:rgba(20,26,24,.9);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  color:var(--text-2);cursor:pointer;display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transition:opacity .24s var(--ease),transform .24s var(--ease),color .2s var(--ease);
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{color:var(--amber);transform:translateY(-3px)}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ============ responsive ============ */
@media (max-width:1280px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
}
@media (max-width:1180px){
  .article-grid{grid-template-columns:minmax(0,1fr);gap:44px}
  .article-col{max-width:none}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap}
  .article-side .side-card{flex:1 1 280px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .header-inner{padding:0 24px}
  .nav-search{display:none}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
}
@media (max-width:900px){
  .nav-links{display:none}
  .nav-toggle{display:block}
  .header-actions .btn-primary{display:none}
  .article-hero{padding:126px 0 44px}
  .article-hero h1{max-width:none}
  .postnav{grid-template-columns:minmax(0,1fr)}
  .cta-banner{padding:40px 28px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
}
@media (max-width:600px){
  body{font-size:16px}
  .container{padding:0 16px}
  .header-inner{padding:0 16px;gap:14px}
  .brand{font-size:18px}
  .brand-mark{width:30px;height:30px;border-radius:9px}
  .article-hero{padding:112px 0 36px}
  .article-section{padding:40px 0 64px}
  .cover-figure{margin-bottom:30px}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:16px}
  .cta-banner{padding:32px 20px;border-radius:var(--radius)}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .side-list a{font-size:14px}
  .to-top{right:16px;bottom:18px}
}

/* roulang page: category1 */
/* ===================== 设计变量 ===================== */
:root{
  --amber:#FF6B1A;
  --amber-soft:rgba(255,107,26,.12);
  --amber-line:rgba(255,107,26,.42);
  --cyan:#16E0B0;
  --cyan-soft:rgba(22,224,176,.12);
  --cyan-line:rgba(22,224,176,.45);
  --yellow:#FFD24A;
  --ink:#0C0F0E;
  --panel:#141A18;
  --float:#1B2320;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#EDEFEE;
  --text-2:#9AA5A0;
  --text-3:#6F7A75;
  --paper:#F6F4EF;
  --danger:#FF5A5A;
  --r-card:14px;
  --r-img:12px;
  --r-pill:999px;
  --r-sm:10px;
  --gap:24px;
  --section-gap:clamp(64px,8vw,110px);
  --ease:cubic-bezier(.2,.8,.2,1);
  --mono:"SF Mono",ui-monospace,"JetBrains Mono","Roboto Mono",Menlo,Consolas,monospace;
  --sans:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",Inter,system-ui,-apple-system,sans-serif;
}

/* ===================== Reset / Base ===================== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--ink);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
h1,h2,h3,h4,h5,h6{
  margin:0;padding:0;
  font-family:inherit;font-weight:700;color:inherit;
  line-height:1.22;letter-spacing:-.02em;
}
p{margin:0;color:inherit;font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease)}
a:hover{color:var(--amber)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}
::selection{background:var(--amber);color:#17110B}

/* ===================== 容器 ===================== */
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 40px;
}

/* ===================== 玻璃导航 ===================== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(12,15,14,.35);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.12);
  box-shadow:0 12px 32px rgba(0,0,0,.22);
  transition:background-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{background:#0C0F0E;box-shadow:0 10px 28px rgba(0,0,0,.4)}
.header-inner{
  display:flex;align-items:center;gap:26px;
  height:84px;
  transition:height .22s var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px}

.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-.03em;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{position:relative;display:inline-block;width:24px;height:30px;flex:0 0 auto}
.brand-mark i{position:absolute;display:block;border-radius:2px}
.brand-mark i:nth-child(1){left:0;top:7px;width:5px;height:16px;background:var(--amber)}
.brand-mark i:nth-child(2){left:9px;top:0;width:5px;height:30px;background:var(--cyan);opacity:.92}
.brand-mark i:nth-child(3){left:18px;top:11px;width:5px;height:9px;background:var(--amber);opacity:.5}
.brand-text em{font-style:normal;color:var(--amber);font-weight:800}

.nav-links{display:flex;align-items:center;gap:28px;margin-left:6px}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:9px 0;
  font-size:15px;
  color:rgba(237,239,238,.78);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:2px;height:2px;width:0;
  background:var(--amber);border-radius:2px;
  transition:width .24s var(--ease);
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:#fff;font-weight:600}
.nav-links a.active::after{width:100%}

.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{display:flex;align-items:center;gap:8px;background:#141A18;border:1px solid var(--line-strong);border-radius:var(--r-pill);padding:7px 14px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.search-box:focus-within{border-color:var(--amber);box-shadow:0 0 0 3px rgba(255,107,26,.14)}
.search-box svg{width:15px;height:15px;stroke:var(--text-2);fill:none;stroke-width:1.8;flex:0 0 auto}
.search-box input{width:132px;background:transparent;border:0;outline:none;font-size:14px;color:var(--text)}
.search-box input::placeholder{color:var(--text-3)}

.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line-strong);border-radius:var(--r-sm);align-items:center;justify-content:center;flex-direction:column;gap:5px}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.nav-drawer{
  position:fixed;top:0;right:0;z-index:80;
  width:min(86vw,364px);height:100%;
  padding:96px 24px 36px;
  display:flex;flex-direction:column;
  background:rgba(12,15,14,.88);
  -webkit-backdrop-filter:blur(24px) saturate(140%);
  backdrop-filter:blur(24px) saturate(140%);
  border-left:1px solid var(--line-strong);
  transform:translateX(102%);
  transition:transform .24s var(--ease);
  overflow-y:auto;
}
.nav-drawer.is-open{transform:none}
.nav-drawer a{display:flex;align-items:center;min-height:44px;padding:12px 4px;font-size:16px;border-bottom:1px solid var(--line)}
.nav-drawer a.active{color:var(--amber);font-weight:600}
.nav-drawer .drawer-cta{margin-top:22px;border-bottom:0}
.drawer-mask{position:fixed;inset:0;z-index:70;background:rgba(6,8,7,.6);opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease)}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ===================== 按钮 ===================== */
.btn{
  position:relative;overflow:hidden;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  transition:transform .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),filter .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-primary{background:var(--amber);color:#17110B}
.btn-primary:hover{color:#17110B;filter:brightness(1.06);transform:translateX(2px);box-shadow:0 10px 26px rgba(255,107,26,.28)}
.btn-primary::after{
  content:"";position:absolute;top:0;left:-70%;width:42%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.5),transparent);
  transform:skewX(-18deg);pointer-events:none;
}
.btn-primary:hover::after{animation:sheen .4s var(--ease) forwards}
@keyframes sheen{from{left:-70%}to{left:130%}}
.btn-ghost{background:transparent;border-color:var(--cyan-line);color:var(--cyan)}
.btn-ghost:hover{background:var(--cyan-soft);color:var(--cyan);border-color:var(--cyan)}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--amber);padding:4px 0}
.btn-text .arrow{transition:transform .2s var(--ease)}
.btn-text:hover .arrow{transform:translateX(4px)}
.btn:disabled,.btn[aria-disabled="true"]{filter:saturate(.4);opacity:.7;pointer-events:none}

/* ===================== Hero ===================== */
.page-hero{
  position:relative;overflow:hidden;
  min-height:52vh;
  display:flex;align-items:flex-end;
  padding:148px 0 58px;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:left 30%;
  transform:scale(1.02);
}
.hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(96deg,rgba(12,15,14,.95) 0%,rgba(12,15,14,.88) 40%,rgba(12,15,14,.52) 74%,rgba(12,15,14,.78) 100%),
    radial-gradient(120% 90% at 12% 100%,rgba(255,107,26,.18),transparent 62%),
    radial-gradient(80% 70% at 96% 0%,rgba(22,224,176,.1),transparent 60%);
}
.hero-inner{position:relative;z-index:2;max-width:920px}

.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;letter-spacing:.02em}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--amber)}
.crumbs .sep{opacity:.5}
.crumbs .now{color:var(--text-2);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 15px;margin-bottom:22px;
  font-size:13px;letter-spacing:.03em;color:var(--cyan);
  background:var(--cyan-soft);
  border:1px solid var(--cyan-line);
  border-radius:var(--r-pill);
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(22,224,176,.16);animation:pulse 2.6s var(--ease) infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(22,224,176,.16)}50%{box-shadow:0 0 0 9px rgba(22,224,176,.04)}}

.hero-title{
  font-size:clamp(30px,4.6vw,56px);
  font-weight:800;
  letter-spacing:-.03em;
  line-height:1.08;
  max-width:20ch;
}
.hero-title em{font-style:normal;color:var(--amber)}
.hero-sub{margin-top:20px;font-size:clamp(15px,1.5vw,17px);color:var(--text-2);max-width:56ch;line-height:1.8}

.hero-stats{display:flex;flex-wrap:wrap;gap:14px 46px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.hero-stats div{display:flex;align-items:baseline;gap:10px}
.hero-stats strong{font-family:var(--mono);font-size:26px;font-weight:700;color:var(--amber);letter-spacing:-.02em}
.hero-stats span{font-size:13px;color:var(--text-3);letter-spacing:.02em}

/* ===================== 板块通用 ===================== */
.main{padding:clamp(56px,7vw,96px) 0 0}
.section{margin-bottom:var(--section-gap)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:34px}
.section-title{position:relative;padding-left:18px;font-size:clamp(24px,2.6vw,32px);font-weight:700}
.section-title::before{content:"";position:absolute;left:0;top:6px;width:4px;height:28px;border-radius:2px;background:var(--amber)}
.section-desc{margin-top:14px;font-size:15px;color:var(--text-2);max-width:70ch;line-height:1.8}
.section-head .section-desc{margin-top:0;max-width:52ch}

/* ===================== 时间轴列表 ===================== */
.timeline{position:relative;margin-top:8px}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:86px minmax(0,1fr);
  gap:0 22px;
  padding:24px 20px 24px 0;
  border-radius:var(--r-card);
  transition:background-color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
  border:1px solid transparent;
}
.tl-item:hover{background:var(--panel);border-color:var(--line)}
.tl-item:hover .tl-title{color:var(--amber)}
.tl-item:hover .tl-cover img{transform:scale(1.04)}

.tl-marker{position:relative;display:flex;justify-content:center;align-items:flex-start}
.tl-num{
  display:flex;align-items:center;justify-content:center;
  width:54px;height:54px;flex:0 0 auto;
  font-family:var(--mono);font-size:21px;font-weight:700;color:var(--amber);
  background:var(--float);
  border:1px solid var(--amber-line);
  border-radius:50%;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.tl-item:hover .tl-num{background:var(--amber);color:#17110B}
.tl-marker::after{
  content:"";position:absolute;top:62px;bottom:-24px;width:1px;
  background:linear-gradient(rgba(255,107,26,.45),rgba(255,255,255,.06));
}
.tl-item:last-child .tl-marker::after{display:none}

.tl-body{display:grid;grid-template-columns:minmax(0,1fr) 208px;gap:26px;align-items:start}
.tl-body.no-cover{grid-template-columns:minmax(0,1fr)}
.tl-head{display:flex;align-items:center;flex-wrap:wrap;gap:12px}
.tl-title{font-size:19px;font-weight:600;line-height:1.4;transition:color .2s var(--ease)}
.tl-badge{
  display:inline-flex;align-items:center;
  padding:3px 10px;font-size:11.5px;letter-spacing:.04em;
  color:#17110B;background:var(--yellow);border-radius:6px;font-weight:700;
}
.tl-badge.is-cyan{background:var(--cyan-soft);color:var(--cyan);border:1px solid var(--cyan-line)}
.tl-badge.is-amber{background:var(--amber-soft);color:var(--amber);border:1px solid var(--amber-line)}
.tl-desc{margin-top:10px;font-size:15px;line-height:1.8;color:var(--text-2)}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:14px;font-size:12.5px;color:var(--text-3);letter-spacing:.02em}
.tl-meta span{display:inline-flex;align-items:center;gap:7px}
.tl-meta span::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--cyan);opacity:.75}
.tl-cover{border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/9;background:var(--float)}
.tl-cover img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease)}

/* ===================== 核对要点（Foundation 栅格） ===================== */
.check-row{max-width:none;margin-left:-12px;margin-right:-12px}
.check-row > .columns{padding-left:12px;padding-right:12px}
@media (min-width:901px){
  .check-row{display:flex;flex-wrap:wrap}
  .check-row > .columns{flex:1 1 33.3333%;max-width:33.3333%;width:33.3333%;float:none}
}
.check-card{
  height:100%;
  padding:28px 24px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
  transition:transform .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease);
}
.check-card:hover{transform:translateY(-4px);border-color:var(--amber-line);background:var(--float)}
.check-icon{
  display:flex;align-items:center;justify-content:center;
  width:42px;height:42px;margin-bottom:18px;
  border-radius:12px;
  background:var(--amber-soft);
  border:1px solid var(--amber-line);
  color:var(--amber);
  font-family:var(--mono);font-size:14px;font-weight:700;
}
.check-card h3{font-size:18px;font-weight:600;line-height:1.4}
.check-card p{margin-top:10px;font-size:14.5px;color:var(--text-2);line-height:1.75}
.check-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.check-card li{position:relative;padding-left:16px;font-size:13.5px;color:var(--text-3)}
.check-card li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:1px;background:var(--cyan)}

/* ===================== 分页视觉位 ===================== */
.pager{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:46px}
.pager-label{font-size:13px;color:var(--text-3);letter-spacing:.02em;margin-right:6px}
.pager-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:44px;padding:0 12px;
  font-family:var(--mono);font-size:15px;color:var(--text-2);
  border:1px solid var(--line);border-radius:var(--r-sm);
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.pager-btn:hover{border-color:var(--amber-line);color:var(--amber)}
.pager-btn.is-current{background:var(--amber);border-color:var(--amber);color:#17110B;font-weight:700}
.pager-next{
  margin-left:auto;
  display:inline-flex;align-items:center;gap:9px;
  height:44px;padding:0 20px;
  font-size:14px;font-weight:600;color:var(--cyan);
  border:1px solid var(--cyan-line);border-radius:var(--r-sm);
  transition:background-color .2s var(--ease),transform .2s var(--ease);
}
.pager-next:hover{background:var(--cyan-soft);color:var(--cyan);transform:translateX(2px)}

/* ===================== CTA 横幅 ===================== */
.cta-band{
  position:relative;overflow:hidden;
  margin-top:var(--section-gap);
  padding:clamp(36px,5vw,64px);
  background:linear-gradient(118deg,#161D1A 0%,#0C0F0E 62%);
  border:1px solid var(--line-strong);
  border-radius:20px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}
.cta-band::before{
  content:"";position:absolute;top:-40%;right:-8%;width:340px;height:340px;
  background:linear-gradient(140deg,rgba(255,107,26,.32),rgba(255,107,26,0) 68%);
  transform:rotate(24deg);border-radius:28px;pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;bottom:-60px;left:-30px;width:220px;height:220px;
  background:radial-gradient(circle,rgba(22,224,176,.18),transparent 68%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-copy{max-width:620px}
.cta-copy h2{font-size:clamp(24px,3.2vw,38px);font-weight:800;letter-spacing:-.03em;line-height:1.16}
.cta-copy h2 em{font-style:normal;color:var(--amber)}
.cta-copy p{margin-top:14px;font-size:15px;color:var(--text-2);line-height:1.8}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ===================== 页脚 ===================== */
.site-footer{
  margin-top:var(--section-gap);
  padding:clamp(48px,6vw,76px) 0 0;
  background:#080A09;
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:44px}
.footer-brand p{margin-top:18px;font-size:14px;color:var(--text-2);max-width:38ch;line-height:1.8}
.footer-status{
  display:inline-flex;align-items:center;gap:9px;margin-top:20px;
  padding:7px 14px;font-size:12.5px;color:var(--text-2);
  border:1px solid var(--line);border-radius:var(--r-pill);background:var(--panel);
}
.footer-status .dot{width:6px;height:6px;background:var(--cyan);box-shadow:0 0 0 3px rgba(22,224,176,.16)}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.01em}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--amber)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  margin-top:52px;padding:22px 0 26px;
  border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);letter-spacing:.02em;
}
.footer-bottom .domain{color:var(--text-2);font-family:var(--mono)}

/* ===================== 滚动进场 ===================== */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.js .reveal.is-in{opacity:1;transform:none}

/* ===================== 响应式 ===================== */
@media (max-width:1280px){
  .container{padding:0 32px}
  .nav-links{gap:20px}
  .search-box input{width:104px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .nav-links{display:none}
  .search-box{display:none}
  .menu-toggle{display:inline-flex}
  .tl-body{grid-template-columns:minmax(0,1fr) 176px;gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:900px){
  .tl-item{grid-template-columns:1fr;padding:22px 18px;background:var(--panel);border-color:var(--line);margin-bottom:14px}
  .tl-marker{justify-content:flex-start;margin-bottom:16px}
  .tl-marker::after{display:none}
  .tl-num{width:44px;height:44px;font-size:18px}
  .tl-body{grid-template-columns:1fr}
  .tl-cover{max-width:100%}
  .check-row > .columns{padding-left:0;padding-right:0;margin-bottom:16px}
  .check-card{padding:24px 20px}
}
@media (max-width:600px){
  .container{padding:0 16px}
  .brand{font-size:18px}
  .brand-mark{width:20px;height:26px}
  .header-inner{height:68px}
  .site-header.is-scrolled .header-inner{height:58px}
  .page-hero{min-height:56vh;padding:118px 0 40px}
  .hero-stats{gap:12px 26px;padding-top:20px}
  .hero-stats strong{font-size:22px}
  .section-head{margin-bottom:24px}
  .pager-next{margin-left:0;width:100%;justify-content:center}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .js .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --amber:#FF6B1A;
  --amber-soft:rgba(255,107,26,.12);
  --cyan:#16E0B0;
  --cyan-soft:rgba(22,224,176,.12);
  --badge:#FFD24A;
  --ink:#0C0F0E;
  --panel:#141A18;
  --float:#1B2320;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --line:#E4E1D8;
  --line-strong:#D6D2C6;
  --text:#14181A;
  --muted:#5A6560;
  --muted-2:#8A938D;
  --danger:#FF5A5A;
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-soft:0 12px 32px rgba(20,24,26,.08);
  --shadow-hover:0 20px 44px rgba(20,24,26,.13);
  --ring:0 0 0 3px rgba(255,107,26,.22);
  --ease:cubic-bezier(.2,.8,.2,1);
  --gap-section:clamp(64px,8vw,120px);
  --container:1240px;
  --header-h:84px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",Inter,system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:var(--text);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--amber);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:none;box-shadow:var(--ring);border-radius:8px;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:700;letter-spacing:-.01em;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 40px;}
.container-wide{max-width:1360px;}
.num{font-family:Inter,"SF Mono",ui-monospace,monospace;font-variant-numeric:tabular-nums;}

/* ---------- 按钮系统 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:15px 28px;border-radius:var(--radius-pill);
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  position:relative;overflow:hidden;white-space:nowrap;
}
.btn i{font-size:13px;transition:transform .2s var(--ease);}
.btn-primary{background:var(--amber);color:#1A0D04;box-shadow:0 10px 26px rgba(255,107,26,.24);}
.btn-primary::after{
  content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.48),transparent);
  transform:skewX(-18deg);transition:left .4s var(--ease);
}
.btn-primary:hover{background:#ff7d33;color:#1A0D04;transform:translate(2px,-1px);}
.btn-primary:hover::after{left:140%;}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--cyan);}
.btn-ghost:hover{background:var(--cyan-soft);color:var(--text);}
.btn-ghost-dark{background:transparent;color:#EAF3EF;border:1px solid rgba(22,224,176,.6);}
.btn-ghost-dark:hover{background:rgba(22,224,176,.14);color:#fff;}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn-link{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;
  color:var(--amber);padding:6px 0;
}
.btn-link i{transition:transform .2s var(--ease);}
.btn-link:hover{color:#e2560c;}
.btn-link:hover i{transform:translateX(4px);}
.btn:disabled,.btn[disabled]{filter:saturate(.4);opacity:.6;cursor:not-allowed;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(246,244,239,.62);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(20,24,26,.08);
  transition:background .22s var(--ease),height .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.scrolled{
  background:rgba(246,244,239,.96);
  box-shadow:0 8px 26px rgba(20,24,26,.08);
  border-bottom-color:var(--line);
}
.header-inner{
  height:var(--header-h);
  display:flex;align-items:center;gap:28px;
  transition:height .22s var(--ease);
}
.site-header.scrolled .header-inner{height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{position:relative;width:26px;height:26px;display:inline-block;}
.brand-mark i{position:absolute;background:var(--amber);border-radius:3px;}
.brand-mark i:nth-child(1){width:9px;height:9px;top:2px;left:1px;}
.brand-mark i:nth-child(2){width:9px;height:16px;top:2px;left:12px;background:var(--cyan);}
.brand-mark i:nth-child(3){width:20px;height:5px;bottom:1px;left:1px;background:var(--ink);}
.brand-text{font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--ink);}
.brand-text em{font-style:normal;color:var(--amber);}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto;}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--text);
  padding:10px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:2px;height:2px;width:0;
  background:var(--amber);transition:width .24s var(--ease);
}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;}
.nav-links a.active{color:var(--amber);font-weight:700;}
.header-actions{display:flex;align-items:center;gap:14px;}
.search-btn{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);
  border:1px solid var(--line-strong);border-radius:var(--radius-pill);
  padding:10px 18px;background:rgba(255,255,255,.6);
}
.search-btn:hover{border-color:var(--amber);color:var(--amber);}
.search-btn i{font-size:13px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.7);
  color:var(--ink);font-size:17px;
}
.mobile-drawer{
  position:fixed;inset:0;z-index:80;display:none;
  background:rgba(246,244,239,.86);
  backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  padding:96px 24px 40px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:flex;align-items:center;min-height:44px;
  padding:18px 4px;font-size:18px;font-weight:600;
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.active{color:var(--amber);}
.mobile-drawer .drawer-cta{margin-top:28px;display:flex;flex-direction:column;gap:12px;}
.drawer-close{
  position:absolute;top:22px;right:22px;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line-strong);background:#fff;font-size:18px;
}

/* ---------- Hero（压缩版 / 浅色） ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:calc(var(--header-h) + 54px) 0 56px;
  min-height:42vh;
  display:flex;align-items:center;
  border-bottom:1px solid var(--line);
}
.hero-media{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:left center;
  transform:scale(1.02);
}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(246,244,239,.97) 0%,rgba(246,244,239,.92) 42%,rgba(246,244,239,.72) 72%,rgba(246,244,239,.55) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:22px;flex-wrap:wrap;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--amber);}
.crumbs span.sep{opacity:.5;}
.crumbs strong{font-weight:600;color:var(--text);}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--amber-soft);color:#B6430B;border:1px solid rgba(255,107,26,.28);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  padding:7px 16px;border-radius:var(--radius-pill);margin-bottom:20px;
}
.hero-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--amber);}
.page-hero h1{
  font-size:clamp(34px,4.6vw,58px);
  font-weight:800;letter-spacing:-.03em;line-height:1.1;
  max-width:900px;margin-bottom:20px;
}
.page-hero h1 em{font-style:normal;position:relative;color:var(--amber);}
.hero-sub{
  font-size:17px;line-height:1.8;color:var(--muted);
  max-width:660px;margin-bottom:30px;
}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px 40px;align-items:center;}
.hero-stat{display:flex;align-items:baseline;gap:8px;font-size:14px;color:var(--muted);}
.hero-stat b{font-family:Inter,"SF Mono",monospace;font-size:22px;font-weight:700;color:var(--ink);letter-spacing:-.02em;}
.hero-stat .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(22,224,176,.16);align-self:center;}

/* ---------- 板块通用 ---------- */
.section{padding:var(--gap-section) 0;}
.section-tight{padding:calc(var(--gap-section) * .62) 0;}
.section-head{margin-bottom:34px;display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.section-head h2{
  font-size:clamp(26px,3vw,34px);font-weight:700;position:relative;
  padding-left:18px;line-height:1.2;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;
  background:var(--amber);
}
.section-head p{font-size:15px;color:var(--muted);max-width:560px;margin-top:12px;padding-left:18px;}
.section-head .head-action{flex-shrink:0;}

/* ---------- 筛选胶囊 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:16px 0 0;
}
.filter-bar .label{font-size:13px;color:var(--muted-2);letter-spacing:.04em;margin-right:6px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:500;color:var(--muted);
  padding:9px 18px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:#fff;
  transition:all .2s var(--ease);
}
.chip:hover{border-color:var(--amber);color:var(--amber);}
.chip.is-active{background:var(--ink);color:#F2F5F3;border-color:var(--ink);}

/* ---------- 杂志双列 ---------- */
.mag-grid{
  display:grid;grid-template-columns:1.06fr 1fr;
  gap:36px;align-items:start;
}
.feature-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-soft);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  display:block;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,107,26,.42);}
.feature-media{position:relative;aspect-ratio:3/4;overflow:hidden;border-radius:0;}
.feature-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s var(--ease);}
.feature-card:hover .feature-media img{transform:scale(1.04);}
.feature-media .cover-placeholder{position:absolute;inset:0;background:linear-gradient(135deg,var(--amber) 0%,#c94d0c 55%,var(--cyan) 100%);}
.badge{
  position:absolute;top:16px;left:16px;z-index:2;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:6px 12px;border-radius:8px;
  background:var(--badge);color:#2A2000;
}
.badge-dark{background:rgba(12,15,14,.82);color:#F0F5F2;backdrop-filter:blur(6px);}
.feature-body{padding:26px 28px 30px;}
.feature-body h3{font-size:24px;font-weight:700;line-height:1.35;margin-bottom:14px;}
.feature-card:hover .feature-body h3{color:var(--amber);}
.feature-body p{font-size:15px;line-height:1.75;color:var(--muted);margin-bottom:18px;}
.meta-row{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted-2);flex-wrap:wrap;}
.meta-row .tag{color:#B6430B;background:var(--amber-soft);padding:3px 10px;border-radius:6px;font-weight:600;}

.text-stack{display:flex;flex-direction:column;gap:20px;}
.text-card{
  display:grid;grid-template-columns:1fr 132px;gap:20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow-soft);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.text-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,107,26,.42);}
.text-card h3{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.text-card:hover h3{color:var(--amber);}
.text-card p{font-size:14px;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px;}
.text-card .thumb{aspect-ratio:16/9;border-radius:12px;overflow:hidden;border:1px solid var(--line);}
.text-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.text-card .thumb .cover-placeholder{width:100%;height:100%;background:linear-gradient(135deg,var(--cyan) 0%,#0e8e6f 100%);}

/* ---------- 深色对照区 ---------- */
.dark-block{
  background:var(--ink);color:#E9EFEC;border-radius:24px;
  padding:clamp(34px,4.6vw,58px);
  position:relative;overflow:hidden;
}
.dark-block::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(22,224,176,.6),transparent);
}
.dark-block h2{color:#fff;font-size:clamp(24px,2.8vw,32px);padding-left:18px;position:relative;margin-bottom:14px;}
.dark-block h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--amber);}
.dark-block .lead{color:#9FB0A9;font-size:15px;max-width:640px;padding-left:18px;}
.verify-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px;
}
.verify-item{
  background:var(--panel);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius);padding:24px 22px;
  transition:transform .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.verify-item:hover{transform:translateY(-4px);border-color:rgba(255,107,26,.55);background:var(--float);}
.verify-item .idx{
  font-family:Inter,"SF Mono",monospace;font-size:12px;letter-spacing:.12em;
  color:var(--cyan);margin-bottom:14px;display:block;
}
.verify-item h3{color:#fff;font-size:17px;font-weight:600;margin-bottom:10px;}
.verify-item p{color:#93A49D;font-size:14px;line-height:1.72;margin-bottom:14px;}
.verify-item .state{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:#B9C7C1;}
.verify-item .state i{color:var(--cyan);font-size:11px;}

/* ---------- 横滑推荐 ---------- */
.slider-wrap{position:relative;}
.slider-track{
  display:flex;gap:22px;overflow-x:auto;padding:6px 4px 22px;
  scroll-snap-type:x mandatory;scroll-behavior:smooth;
  scrollbar-width:none;-ms-overflow-style:none;
}
.slider-track::-webkit-scrollbar{display:none;}
.slide-card{
  flex:0 0 clamp(250px,26vw,308px);scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-soft);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.slide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,107,26,.42);}
.slide-card .thumb{aspect-ratio:16/9;position:relative;overflow:hidden;border-radius:0;}
.slide-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s var(--ease);}
.slide-card:hover .thumb img{transform:scale(1.04);}
.slide-card .thumb .cover-placeholder{width:100%;height:100%;background:linear-gradient(135deg,#1B2320 0%,var(--amber) 130%);}
.slide-card .body{padding:20px 20px 24px;}
.slide-card h3{font-size:17px;font-weight:600;line-height:1.45;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.slide-card:hover h3{color:var(--amber);}
.slide-card p{font-size:13.5px;color:var(--muted);line-height:1.68;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.slider-nav{display:flex;gap:10px;}
.slider-btn{
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.9);
  color:var(--ink);display:inline-flex;align-items:center;justify-content:center;
  transition:all .2s var(--ease);
}
.slider-btn:hover{background:var(--amber);color:#1A0D04;border-color:var(--amber);}
.slider-edge{position:absolute;top:0;bottom:22px;width:70px;pointer-events:none;z-index:2;}
.slider-edge.left{left:0;background:linear-gradient(90deg,var(--paper),rgba(246,244,239,0));}
.slider-edge.right{right:0;background:linear-gradient(270deg,var(--paper),rgba(246,244,239,0));}

/* ---------- FAQ ---------- */
.faq-block{max-width:900px;}
.faq-block .accordion{
  background:transparent;border:0;margin:0;
}
.faq-block .accordion .accordion-item{
  border:0;background:transparent;margin-bottom:16px;
}
.faq-block .accordion-title{
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--card);padding:22px 64px 22px 26px;
  font-size:17px;font-weight:600;color:var(--text);position:relative;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  box-shadow:var(--shadow-soft);
}
.faq-block .accordion-title::before{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--muted-2);transition:transform .24s var(--ease),color .2s var(--ease);
}
.faq-block .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(180deg);color:var(--amber);}
.faq-block .accordion-item.is-active .accordion-title{
  border-color:rgba(255,107,26,.5);
  border-left:3px solid var(--amber);
  box-shadow:var(--shadow-hover);
}
.faq-block .accordion-content{
  border:1px solid var(--line);border-top:0;
  border-radius:0 0 var(--radius) var(--radius);
  background:var(--card);padding:22px 26px 24px;
  font-size:15.5px;color:var(--muted);line-height:1.8;
}
.faq-block .accordion-content p{margin-bottom:12px;}
.faq-block .accordion-content p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-banner{
  background:var(--ink);border-radius:24px;overflow:hidden;position:relative;
  padding:clamp(40px,5vw,72px) clamp(28px,4vw,64px);
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-banner::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,26,.26),transparent 68%);
}
.cta-banner .cta-text{position:relative;z-index:2;max-width:660px;}
.cta-banner h2{
  color:#fff;font-size:clamp(26px,3.4vw,42px);font-weight:800;letter-spacing:-.03em;
  line-height:1.16;margin-bottom:14px;
}
.cta-banner h2 em{font-style:normal;color:var(--amber);}
.cta-banner p{color:#9CAEA7;font-size:15.5px;max-width:560px;}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--paper);border-top:1px solid var(--line);
  padding:72px 0 32px;color:var(--text);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.8;max-width:340px;margin-bottom:18px;}
.footer-status{display:inline-flex;align-items:center;gap:9px;font-size:13px;color:var(--muted);}
.footer-status .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(22,224,176,.16);}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.04em;color:var(--ink);margin-bottom:18px;}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{font-size:14px;color:var(--muted);}
.footer-col ul li a:hover{color:var(--amber);}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--muted-2);
}
.footer-bottom .domain{font-family:Inter,"SF Mono",monospace;color:var(--muted);}

/* ---------- 吸底按钮 ---------- */
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:70;
  width:48px;height:48px;border-radius:50%;
  background:var(--ink);color:#F4F8F6;border:1px solid rgba(255,255,255,.14);
  display:inline-flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transform:translateY(12px);
  transition:opacity .24s var(--ease),transform .24s var(--ease);
  box-shadow:0 14px 30px rgba(12,15,14,.28);
}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0);}
.to-top:hover{background:var(--amber);color:#1A0D04;}

/* ---------- 滚动进场 ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.visible{opacity:1;transform:none;}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 32px;}
  .nav-links{gap:22px;}
  .search-btn span{display:none;}
  .search-btn{padding:10px 13px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .mag-grid{grid-template-columns:1fr;gap:28px;}
  .verify-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .feature-media{aspect-ratio:16/9;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .header-actions .btn-primary{display:none;}
  .page-hero{min-height:auto;padding:calc(var(--header-h) + 34px) 0 44px;}
  .hero-sub{font-size:15.5px;}
  .hero-stats{gap:10px 26px;}
  .section{padding:64px 0;}
  .verify-grid{grid-template-columns:1fr;}
  .text-card{grid-template-columns:1fr;gap:14px;}
  .text-card .thumb{order:-1;aspect-ratio:16/9;}
  .cta-banner{padding:40px 24px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:10px;}
}
@media (max-width:520px){
  .page-hero h1{font-size:30px;}
  .brand-text{font-size:18px;}
  .feature-body{padding:22px 20px 26px;}
  .feature-body h3{font-size:20px;}
  .slide-card{flex:0 0 82vw;}
  .faq-block .accordion-title{padding:18px 52px 18px 20px;font-size:16px;}
  .faq-block .accordion-content{padding:18px 20px 20px;}
  .to-top{right:14px;bottom:14px;}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --amber:#FF6B1A;
  --amber-hi:#FF7F38;
  --amber-soft:rgba(255,107,26,.14);
  --amber-line:rgba(255,107,26,.45);
  --cyan:#16E0B0;
  --cyan-soft:rgba(22,224,176,.12);
  --yellow:#FFD24A;
  --ink:#0C0F0E;
  --panel:#141A18;
  --elev:#1B2320;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.05);
  --text:#F2F5F3;
  --muted:#9AA6A1;
  --muted-2:rgba(154,166,161,.85);
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --paper-line:#E4E1D8;
  --text-dark:#14181A;
  --radius-lg:14px;
  --radius-md:12px;
  --radius-sm:10px;
  --pill:999px;
  --shadow-dark:0 18px 40px rgba(0,0,0,.35);
  --shadow-soft:0 12px 32px rgba(20,24,26,.08);
  --container:1240px;
  --container-wide:1360px;
  --gap-section:clamp(64px,8vw,120px);
  --ease:cubic-bezier(.2,.8,.2,1);
  --fast:.2s;
  --mid:.24s;
  --font-cn:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","SF Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body.drawer-open{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--fast) var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.25}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
strong{font-weight:700}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}
::selection{background:var(--amber);color:#12100E}

/* ============ 容器与板块 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 40px}
.section{padding:var(--gap-section) 0}
.section--tight{padding:clamp(44px,5vw,72px) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:34px;flex-wrap:wrap}
.section-title{position:relative;padding-left:18px;font-size:clamp(22px,2.7vw,32px);font-weight:700}
.section-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--amber)}
.section-desc{max-width:560px;font-size:14.5px;line-height:1.75;color:var(--muted)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;color:var(--amber);text-transform:uppercase;font-family:var(--font-num)}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(12,15,14,.35);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.12);
  box-shadow:0 10px 30px rgba(0,0,0,.25);
  transition:background var(--mid) var(--ease),box-shadow var(--mid) var(--ease),border-color var(--mid) var(--ease);
}
.site-header.scrolled{background:#0C0F0E;border-bottom-color:var(--line);box-shadow:0 12px 32px rgba(0,0,0,.45)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:84px;transition:height var(--mid) var(--ease)}
.site-header.scrolled .header-inner{height:64px}

.brand{display:inline-flex;align-items:center;gap:11px;font-size:20px;font-weight:800;letter-spacing:-.02em;color:#fff;white-space:nowrap}
.brand:hover{color:#fff}
.brand-mark{position:relative;flex:0 0 30px;width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--amber),#FFB069);box-shadow:0 6px 16px rgba(255,107,26,.35)}
.brand-mark i{position:absolute;left:7px;right:7px;height:2px;border-radius:2px;background:rgba(12,15,14,.72)}
.brand-mark i:nth-child(1){top:9px}
.brand-mark i:nth-child(2){top:14px;right:11px}
.brand-mark i:nth-child(3){top:19px;left:11px}
.brand-text em{font-style:normal;color:var(--amber)}

.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{position:relative;display:inline-block;padding:6px 2px;font-size:15px;font-weight:500;color:rgba(242,245,243,.82)}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--amber);transform:scaleX(0);transform-origin:left center;transition:transform var(--mid) var(--ease)}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}

.header-actions{display:flex;align-items:center;gap:12px}
.icon-btn{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.04);color:rgba(242,245,243,.85);transition:border-color var(--fast) var(--ease),color var(--fast) var(--ease),background var(--fast) var(--ease)}
.icon-btn:hover{border-color:var(--cyan);color:var(--cyan);background:var(--cyan-soft)}
.menu-toggle{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;gap:5px;padding:0 11px;border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-sm)}
.menu-toggle span{display:block;height:2px;border-radius:2px;background:#fff;transition:transform var(--fast) var(--ease),opacity var(--fast) var(--ease)}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-drawer{
  display:none;position:fixed;top:0;left:0;right:0;bottom:0;z-index:55;
  padding:104px 24px 40px;overflow-y:auto;
  background:rgba(12,15,14,.92);
  backdrop-filter:blur(24px) saturate(140%);
  -webkit-backdrop-filter:blur(24px) saturate(140%);
}
.mobile-drawer.open{display:block}
.mobile-drawer a{display:flex;align-items:center;min-height:44px;padding:12px 0;font-size:17px;color:#E8EBE9;border-bottom:1px solid var(--line)}
.mobile-drawer a.active{color:var(--amber)}
.mobile-drawer .drawer-cta{margin-top:26px;justify-content:center;border-bottom:0}

/* ============ 按钮 ============ */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--pill);font-size:15px;font-weight:600;line-height:1;
  overflow:hidden;white-space:nowrap;
  transition:transform var(--fast) var(--ease),background var(--fast) var(--ease),color var(--fast) var(--ease),border-color var(--fast) var(--ease),box-shadow var(--fast) var(--ease);
}
.btn-primary{background:var(--amber);color:#12100E;box-shadow:0 10px 24px rgba(255,107,26,.28)}
.btn-primary:hover{background:var(--amber-hi);color:#12100E;transform:translateX(2px)}
.btn-primary::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,transparent 22%,rgba(255,255,255,.45) 50%,transparent 78%);transform:translateX(-130%);transition:transform .4s var(--ease)}
.btn-primary:hover::after{transform:translateX(130%)}
.btn-ghost{background:transparent;border:1px solid var(--cyan);color:var(--cyan)}
.btn-ghost:hover{background:var(--cyan-soft);color:var(--cyan);transform:translateX(2px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.55;filter:saturate(.6);cursor:not-allowed;transform:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--amber)}
.text-link span{transition:transform var(--fast) var(--ease)}
.text-link:hover span{transform:translateX(4px)}

/* ============ 徽章与标签 ============ */
.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--pill);border:1px solid var(--line);background:rgba(255,255,255,.02);font-size:13px;color:var(--muted);transition:border-color var(--fast) var(--ease),color var(--fast) var(--ease),background var(--fast) var(--ease)}
.chip:hover{border-color:var(--amber-line);color:#fff}
.chip.is-active{background:var(--amber-soft);border-color:var(--amber-line);color:var(--amber)}
.chip--amber{background:var(--amber-soft);border-color:var(--amber-line);color:var(--amber)}
.tag{display:inline-flex;align-items:center;padding:3px 9px;border-radius:6px;border:1px solid var(--line);font-size:12px;letter-spacing:.02em;color:var(--muted);white-space:nowrap}
.tag--hot{background:rgba(255,210,74,.14);border-color:rgba(255,210,74,.4);color:var(--yellow)}
.tag--live{background:var(--cyan-soft);border-color:rgba(22,224,176,.4);color:var(--cyan)}
.badge-count{display:inline-flex;align-items:center;justify-content:center;min-width:30px;height:24px;padding:0 9px;border-radius:var(--pill);background:rgba(255,255,255,.06);font-family:var(--font-num);font-size:12.5px;color:var(--muted)}

/* ============ 分类页 Hero ============ */
.hero-cat{position:relative;display:flex;align-items:flex-end;min-height:42vh;padding:132px 0 44px;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-cat__bg{
  position:absolute;inset:0;
  background-image:
    linear-gradient(100deg,rgba(12,15,14,.96) 0%,rgba(12,15,14,.88) 36%,rgba(12,15,14,.52) 72%,rgba(12,15,14,.8) 100%),
    url("/assets/images/backpic/back-3.webp");
  background-size:cover,cover;
  background-position:left center,left center;
  background-repeat:no-repeat;
}
.hero-cat__bg::after{content:"";position:absolute;left:0;right:0;bottom:0;height:120px;background:linear-gradient(180deg,rgba(12,15,14,0) 0%,rgba(12,15,14,.92) 100%)}
.hero-cat__inner{position:relative;z-index:2;max-width:900px}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:18px;font-size:13px;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--amber)}
.breadcrumb .sep{color:rgba(255,255,255,.32)}
.breadcrumb .current{color:rgba(255,255,255,.72)}
.hero-cat h1{font-size:clamp(30px,4.4vw,54px);font-weight:800;line-height:1.1;letter-spacing:-.03em;margin:14px 0 14px;color:#fff}
.hero-cat h1 .hl{color:var(--amber)}
.hero-sub{max-width:660px;font-size:16px;line-height:1.8;color:rgba(242,245,243,.78)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

/* ============ 统计条 ============ */
.stat-strip{background:var(--panel);border-bottom:1px solid var(--line)}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.stat-item{padding:24px 20px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-num{display:flex;align-items:baseline;gap:4px;font-family:var(--font-num);font-size:clamp(24px,2.6vw,32px);font-weight:700;letter-spacing:-.02em;color:#fff}
.stat-num em{font-style:normal;font-size:15px;color:var(--amber)}
.stat-label{margin-top:4px;font-size:13px;letter-spacing:.02em;color:var(--muted)}

/* ============ 筛选条 ============ */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.filter-note{display:flex;align-items:center;gap:8px;margin-left:auto;font-size:13px;color:var(--muted)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(22,224,176,.16);flex:0 0 8px}

/* ============ 分组赛程板 ============ */
.schedule-board{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);box-shadow:var(--shadow-dark)}
.group{border-top:1px solid var(--line)}
.group:first-child{border-top:0}
.group:first-child .group-head{border-radius:var(--radius-lg) var(--radius-lg) 0 0}
.group-head{
  position:sticky;top:64px;z-index:6;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 20px;
  background:rgba(12,15,14,.85);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.group-head h3{display:flex;align-items:center;gap:10px;font-size:16.5px;font-weight:700;color:#fff}
.group-head h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--amber)}
.group-head .group-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted)}

.sch-row{
  display:grid;
  grid-template-columns:minmax(0,1.75fr) minmax(0,1fr) 150px 36px;
  align-items:center;gap:16px;
  min-height:56px;padding:10px 20px;
  border-bottom:1px solid var(--line-soft);
  transition:background var(--fast) var(--ease),color var(--fast) var(--ease);
}
.sch-row:last-child{border-bottom:0}
.group:last-child .sch-row:last-child{border-radius:0 0 13px 13px}
.sch-row:hover{background:var(--elev)}
.sch-row:hover .sch-name{color:var(--amber)}
.sch-row:hover .sch-arrow{transform:translateX(4px);color:var(--amber)}
.sch-name{display:block;font-size:15.5px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color var(--fast) var(--ease)}
.sch-tags{display:flex;flex-wrap:wrap;gap:8px}
.sch-time{font-family:var(--font-num);font-size:13.5px;letter-spacing:.02em;color:var(--muted);text-align:right;white-space:nowrap}
.sch-arrow{justify-self:end;font-size:16px;color:rgba(255,255,255,.28);transition:transform var(--fast) var(--ease),color var(--fast) var(--ease)}

/* ============ 步骤卡 ============ */
.steps-row{margin-bottom:0}
.step-card{height:100%;padding:26px 24px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);transition:transform var(--fast) var(--ease),border-color var(--fast) var(--ease),background var(--fast) var(--ease)}
.step-card:hover{transform:translateY(-4px);border-color:var(--amber-line);background:var(--elev)}
.step-num{display:inline-block;font-family:var(--font-num);font-size:12.5px;letter-spacing:.1em;color:var(--amber)}
.step-card h3{margin:12px 0 10px;font-size:19px;font-weight:700;color:#fff}
.step-card p{font-size:14.5px;line-height:1.8;color:var(--muted)}

/* ============ 图文说明区 ============ */
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:var(--elev)}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.split-media .caption{position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:12.5px;color:rgba(242,245,243,.82);background:linear-gradient(180deg,rgba(12,15,14,0) 0%,rgba(12,15,14,.88) 100%)}
.note-list{display:grid;gap:14px;margin-top:22px}
.note-list li{display:grid;grid-template-columns:10px minmax(0,1fr);gap:14px;font-size:14.5px;line-height:1.8;color:var(--muted)}
.note-list li::before{content:"";width:8px;height:8px;margin-top:9px;border-radius:50%;background:var(--cyan)}

/* ============ CTA 横幅 ============ */
.cta-banner{
  position:relative;overflow:hidden;
  padding:clamp(34px,5vw,64px);
  border:1px solid var(--line);border-radius:20px;
  background-image:
    linear-gradient(115deg,rgba(12,15,14,.94) 0%,rgba(20,26,24,.9) 48%,rgba(36,26,18,.86) 100%),
    url("/assets/images/coverpic/cover-11.png");
  background-size:cover,cover;
  background-position:center,center right;
}
.cta-banner::before{content:"";position:absolute;right:-70px;top:-70px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(255,107,26,.3),transparent 70%)}
.cta-banner__inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap}
.cta-banner h2{font-size:clamp(24px,3.2vw,38px);font-weight:800;letter-spacing:-.03em;line-height:1.15;color:#fff;max-width:620px}
.cta-banner p{margin-top:14px;max-width:560px;font-size:15px;color:rgba(242,245,243,.75)}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{margin-top:0;padding:clamp(48px,6vw,76px) 0 28px;background:#0A0D0C;border-top:1px solid var(--line);color:#E8EBE9}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{margin:16px 0 16px;max-width:360px;font-size:14px;line-height:1.8;color:var(--muted)}
.footer-status{display:inline-flex;align-items:center;gap:9px;font-size:13px;color:var(--muted)}
.footer-col h4{margin-bottom:16px;font-size:15px;font-weight:700;color:#fff}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--amber)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:44px;padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--muted-2)}
.footer-bottom .domain{color:var(--cyan)}

/* ============ 进场动效 ============ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{max-width:1120px}
}
@media (max-width:1024px){
  .sch-row{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) 130px 32px;gap:14px}
}
@media (max-width:900px){
  .container{padding:0 24px}
  .nav-links{display:none}
  .menu-toggle{display:flex}
  .header-inner{height:64px}
  .site-header.scrolled .header-inner{height:58px}
  .group-head{top:58px}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .hero-cat{padding-top:118px}
}
@media (max-width:600px){
  .container{padding:0 16px}
  body{font-size:15.5px;line-height:1.8}
  .section{padding:clamp(52px,10vw,72px) 0}
  .hero-cat{padding:108px 0 36px}
  .hero-actions .btn{flex:1 1 auto}
  .filter-note{margin-left:0;width:100%}
  .sch-row{grid-template-columns:minmax(0,1fr) 28px;gap:10px;padding:14px 16px;row-gap:6px;min-height:auto}
  .sch-name{white-space:normal;font-size:15px;line-height:1.5}
  .sch-tags{grid-column:1 / -1;order:3}
  .sch-time{order:2;text-align:left;font-size:13px}
  .sch-arrow{order:2;grid-row:1}
  .group-head{padding:12px 16px}
  .group-head h3{font-size:15.5px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-banner__inner{flex-direction:column;align-items:flex-start}
  .stat-item{padding:20px 16px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category4 */
/* ================= 设计变量 ================= */
:root{
  --amber:#FF6B1A;
  --amber-2:#FF9A3C;
  --amber-soft:rgba(255,107,26,.12);
  --cyan:#16E0B0;
  --cyan-soft:rgba(22,224,176,.12);
  --yellow:#FFD24A;
  --red:#FF5A5A;

  --bg:#0C0F0E;
  --panel:#141A18;
  --panel-2:#1B2320;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);

  --text:#F2F4F1;
  --text-2:#A8B3AE;
  --text-3:#78837E;

  --r-xs:10px;
  --r-sm:12px;
  --r:14px;
  --r-lg:20px;
  --pill:999px;

  --shadow:0 18px 46px rgba(0,0,0,.45);
  --shadow-soft:0 12px 32px rgba(0,0,0,.28);
  --glow-amber:0 10px 30px rgba(255,107,26,.28);

  --maxw:1240px;
  --gutter:40px;
  --nav-h:84px;
  --ease:cubic-bezier(.2,.8,.2,1);
}

/* ================= reset / base ================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit;margin:0}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.02em}
p{margin:0}
::selection{background:var(--amber);color:#0C0F0E}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}

/* ================= 容器 ================= */
.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 var(--gutter);
}

/* ================= 按钮系统 ================= */
.btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--pill);
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  white-space:nowrap;
  transition:transform .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
  overflow:hidden;
}
.btn i{font-size:13px;transition:transform .2s var(--ease)}
.btn-primary{
  background:var(--amber);
  color:#0C0F0E;
  box-shadow:var(--glow-amber);
}
.btn-primary::after{
  content:"";
  position:absolute;
  top:0;left:-120%;
  width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);
  transform:skewX(-18deg);
  transition:left .4s var(--ease);
}
.btn-primary:hover{background:#FF7C33;color:#0C0F0E;transform:translateX(2px)}
.btn-primary:hover::after{left:130%}
.btn-ghost{
  background:transparent;
  color:var(--cyan);
  border:1px solid rgba(22,224,176,.5);
}
.btn-ghost:hover{background:var(--cyan-soft);border-color:var(--cyan)}
.btn-ghost:hover i{transform:translateX(4px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.btn:disabled,.btn[aria-disabled="true"]{filter:saturate(.4);opacity:.6;cursor:not-allowed}

/* ================= 顶部导航 ================= */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  background:rgba(12,15,14,.35);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.12);
  transition:background-color .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(12,15,14,.96);
  border-bottom-color:var(--line);
  box-shadow:0 12px 34px rgba(0,0,0,.38);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:var(--nav-h);
  transition:height .22s var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px}

.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  position:relative;
  width:34px;height:34px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--amber),var(--amber-2));
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:3px;
  box-shadow:var(--glow-amber);
  overflow:hidden;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(255,255,255,.45),transparent 55%);
}
.brand-mark i{display:block;width:3px;border-radius:2px;background:#0C0F0E;height:10px}
.brand-mark i:nth-child(1){height:8px}
.brand-mark i:nth-child(2){height:17px}
.brand-mark i:nth-child(3){height:12px}
.brand-text{font-size:20px;font-weight:800;letter-spacing:-.02em;color:#fff;line-height:1}
.brand-text em{font-style:normal;color:var(--amber);margin-left:3px}

.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{
  position:relative;
  padding:6px 2px;
  font-size:15px;
  color:rgba(255,255,255,.76);
  transition:color .2s var(--ease);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--amber);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s var(--ease);
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:#fff}
.nav-links a.active::after{transform:scaleX(1)}

.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:44px;height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--pill);
  border:1px solid var(--line-strong);
  color:rgba(255,255,255,.82);
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.icon-btn:hover{border-color:var(--amber);color:var(--amber);background:var(--amber-soft)}
.hamburger{display:none}

.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:110;
  padding:calc(var(--nav-h) + 20px) 24px 40px;
  background:rgba(12,15,14,.92);
  -webkit-backdrop-filter:blur(24px) saturate(140%);
  backdrop-filter:blur(24px) saturate(140%);
  display:flex;
  flex-direction:column;
  gap:6px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:none}
.mobile-drawer a{
  min-height:44px;
  display:flex;
  align-items:center;
  font-size:17px;
  color:rgba(255,255,255,.86);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.active{color:var(--amber)}
.mobile-drawer .btn{margin-top:22px}

/* ================= 压缩 Hero ================= */
.page-hero{
  position:relative;
  min-height:46vh;
  display:flex;
  align-items:center;
  padding:calc(var(--nav-h) + 54px) 0 62px;
  background-image:
    linear-gradient(100deg,rgba(12,15,14,.96) 0%,rgba(12,15,14,.82) 42%,rgba(12,15,14,.42) 100%),
    linear-gradient(180deg,rgba(12,15,14,.35),rgba(12,15,14,.9)),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:left center;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--line-strong),transparent);
}
.hero-inner{max-width:820px}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--pill);
  border:1px solid rgba(22,224,176,.38);
  background:var(--cyan-soft);
  color:var(--cyan);
  font-size:13px;
  letter-spacing:.06em;
  margin-bottom:22px;
}
.hero-tag .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 4px rgba(22,224,176,.18);
}
.hero-title{
  font-size:clamp(34px,4.6vw,56px);
  font-weight:800;
  line-height:1.08;
  letter-spacing:-.03em;
  margin-bottom:18px;
}
.hero-title span{color:var(--amber)}
.hero-sub{
  font-size:17px;
  line-height:1.8;
  color:var(--text-2);
  max-width:660px;
  margin-bottom:30px;
}

.hero-tools{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-bottom:20px;
}
.hero-search{
  display:flex;
  align-items:center;
  gap:10px;
  flex:1 1 380px;
  max-width:520px;
  padding:6px 6px 6px 18px;
  border-radius:var(--pill);
  border:1px solid var(--line-strong);
  background:rgba(20,26,24,.86);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.hero-search:focus-within{
  border-color:var(--amber);
  box-shadow:0 0 0 3px rgba(255,107,26,.14);
}
.hero-search i{color:var(--text-3);font-size:15px}
.hero-search input{
  flex:1;
  min-width:0;
  border:0;
  background:transparent;
  padding:12px 0;
  font-size:15px;
  color:var(--text);
}
.hero-search input::placeholder{color:var(--text-3)}
.hero-search input:focus{outline:none}
.hero-search .btn{padding:11px 22px;font-size:14px}

.filter-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  padding:8px 16px;
  border-radius:var(--pill);
  border:1px solid var(--line-strong);
  font-size:13.5px;
  color:var(--text-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.chip:hover{border-color:var(--amber);color:var(--amber);background:var(--amber-soft)}
.chip.is-active{
  border-color:var(--amber);
  background:var(--amber-soft);
  color:var(--amber);
}

/* ================= 通用板块 ================= */
.section{padding:clamp(64px,7vw,110px) 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  margin-bottom:38px;
}
.section-head h2{
  position:relative;
  padding-left:18px;
  font-size:clamp(24px,3vw,32px);
  font-weight:700;
  line-height:1.2;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:5px;
  width:4px;height:28px;
  border-radius:2px;
  background:var(--amber);
}
.section-head p{
  margin-top:10px;
  padding-left:18px;
  color:var(--text-2);
  font-size:15px;
  max-width:680px;
}
.section-head .head-aside{
  font-size:14px;
  color:var(--text-3);
}

/* ================= 特色卡区（宽窄不一） ================= */
.feature-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr;
  gap:24px;
  align-items:stretch;
}
.feature-card{
  position:relative;
  display:flex;
  flex-direction:column;
  border-radius:var(--r);
  border:1px solid var(--line);
  background:var(--panel);
  overflow:hidden;
  transition:transform .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.feature-card:hover{
  transform:translateY(-4px);
  border-color:rgba(255,107,26,.55);
  background:var(--panel-2);
}
.fc-media{
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,var(--amber),var(--cyan));
}
.feature-card.is-wide .fc-media{aspect-ratio:16/9}
.feature-card .fc-media{aspect-ratio:16/9}
.fc-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .22s var(--ease);
}
.feature-card:hover .fc-media img{transform:scale(1.04)}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--pill);
  font-size:12px;
  letter-spacing:.04em;
  background:rgba(12,15,14,.72);
  border:1px solid var(--line-strong);
  color:var(--text);
}
.badge.is-amber{background:var(--amber);color:#0C0F0E;border-color:transparent}
.badge.is-yellow{background:var(--yellow);color:#14181A;border-color:transparent}
.fc-media .badge{position:absolute;top:12px;left:12px}
.fc-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.fc-title{font-size:19px;font-weight:600;line-height:1.4}
.fc-text{font-size:14.5px;line-height:1.75;color:var(--text-2)}
.fc-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:14px;
  font-size:12.5px;
  letter-spacing:.02em;
  color:var(--text-3);
}
.fc-meta i{color:var(--cyan);margin-right:6px;font-size:11px}
.feature-card:hover .fc-title{color:var(--amber)}
.card-plain .fc-body{padding-top:26px}

/* ================= FAQ ================= */
.faq-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:36px;
  align-items:start;
}
.faq-list.accordion{
  margin:0;
  background:transparent;
  border:0;
}
.faq-list .accordion-item{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--r);
  background:var(--panel);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.faq-list .accordion-item::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--amber);
  transform:scaleY(0);
  transform-origin:top center;
  transition:transform .24s var(--ease);
}
.faq-list .accordion-item:hover{border-color:var(--line-strong);background:var(--panel-2)}
.faq-list .accordion-item.is-active{
  border-color:rgba(255,107,26,.45);
  background:var(--panel-2);
}
.faq-list .accordion-item.is-active::before{transform:scaleY(1)}
.faq-list .accordion-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:16.5px;
  font-weight:600;
  line-height:1.5;
  transition:color .2s var(--ease);
}
.faq-list .accordion-title::before{display:none!important;content:none!important}
.faq-list .accordion-title:hover{color:var(--amber)}
.faq-list .accordion-item.is-active .accordion-title{color:var(--amber)}
.faq-arrow{
  position:relative;
  flex:0 0 auto;
  width:22px;height:22px;
  border-radius:50%;
  border:1px solid var(--line-strong);
  transition:transform .24s var(--ease),border-color .24s var(--ease),background-color .24s var(--ease);
}
.faq-arrow::before{
  content:"";
  position:absolute;
  top:7px;left:6px;
  width:7px;height:7px;
  border-right:2px solid var(--text-2);
  border-bottom:2px solid var(--text-2);
  transform:rotate(45deg);
}
.faq-list .accordion-item.is-active .faq-arrow{
  transform:rotate(180deg);
  border-color:var(--amber);
  background:var(--amber-soft);
}
.faq-list .accordion-item.is-active .faq-arrow::before{border-color:var(--amber)}
.faq-list .accordion-content{
  padding:0 24px 20px;
  background:transparent;
  border:0;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
}
.faq-list .accordion-content p{margin:0}

.faq-aside{
  position:sticky;
  top:96px;
  padding:26px 24px;
  border-radius:var(--r);
  border:1px solid var(--line);
  background:linear-gradient(160deg,var(--panel-2),var(--panel));
}
.faq-aside h3{font-size:17px;margin-bottom:12px}
.faq-aside p{font-size:14px;color:var(--text-2);margin-bottom:18px}
.faq-aside ul li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:10px 0;
  font-size:14px;
  color:var(--text-2);
  border-bottom:1px dashed var(--line);
}
.faq-aside ul li:last-child{border-bottom:0}
.faq-aside ul li i{color:var(--cyan);font-size:12px;margin-top:6px}
.faq-aside .btn{margin-top:18px}

/* ================= 说明区（左文右图） ================= */
.explain{
  background:linear-gradient(180deg,rgba(27,35,32,.6),rgba(12,15,14,0));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.explain-grid{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:56px;
  align-items:center;
}
.eyebrow{
  display:inline-block;
  margin-bottom:14px;
  font-size:13px;
  letter-spacing:.12em;
  color:var(--cyan);
}
.explain-copy h2{
  font-size:clamp(24px,3vw,32px);
  margin-bottom:16px;
}
.explain-copy > p{color:var(--text-2);font-size:15.5px;margin-bottom:26px}
.step-list li{
  display:flex;
  gap:16px;
  padding:16px 0;
  border-top:1px solid var(--line);
}
.step-list li:first-child{border-top:0}
.step-num{
  flex:0 0 auto;
  width:34px;height:34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-xs);
  border:1px solid rgba(255,107,26,.4);
  background:var(--amber-soft);
  color:var(--amber);
  font-size:13px;
  font-weight:700;
  font-family:Inter,"SF Mono",ui-monospace,monospace;
}
.step-list h3{font-size:16px;font-weight:600;margin-bottom:4px}
.step-list p{font-size:14.5px;color:var(--text-2);line-height:1.75}

.explain-media{
  position:relative;
  margin:0;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--panel);
  box-shadow:var(--shadow);
}
.explain-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.explain-media figcaption{
  padding:14px 20px;
  font-size:13px;
  color:var(--text-3);
  background:var(--panel-2);
  border-top:1px solid var(--line);
}

/* ================= 相关分类卡 ================= */
.cat-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.cat-card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:26px 22px 24px;
  border-radius:var(--r);
  border:1px solid var(--line);
  background:var(--panel);
  transition:transform .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.cat-card:hover{
  transform:translateY(-4px);
  border-color:rgba(255,107,26,.55);
  background:var(--panel-2);
}
.cat-icon{
  width:40px;height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-xs);
  background:var(--cyan-soft);
  border:1px solid rgba(22,224,176,.35);
  color:var(--cyan);
  font-size:16px;
  margin-bottom:6px;
}
.cat-card h3{font-size:17px;font-weight:600;line-height:1.4}
.cat-card p{font-size:14px;color:var(--text-2);line-height:1.7}
.cat-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--amber);
}
.cat-card:hover h3{color:var(--amber)}
.cat-meta i{transition:transform .2s var(--ease)}
.cat-card:hover .cat-meta i{transform:translateX(4px)}
.cat-card.is-current{border-color:rgba(22,224,176,.5);background:linear-gradient(160deg,rgba(22,224,176,.08),var(--panel))}

/* ================= CTA ================= */
.cta-band{
  padding:clamp(56px,6vw,88px) 0;
  background:
    linear-gradient(100deg,rgba(255,107,26,.16) 0%,rgba(22,224,176,.10) 55%,rgba(12,15,14,0) 100%),
    var(--panel);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-80px;top:-60px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,26,.24),transparent 68%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(24px,3.2vw,36px);font-weight:800;letter-spacing:-.03em;margin-bottom:10px}
.cta-inner p{color:var(--text-2);font-size:15px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ================= 页脚 ================= */
.site-footer{
  background:#080B0A;
  border-top:1px solid var(--line);
  padding:clamp(48px,6vw,76px) 0 30px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid var(--line);
}
.footer-brand p{
  margin:18px 0 18px;
  font-size:14px;
  line-height:1.8;
  color:var(--text-2);
  max-width:360px;
}
.footer-status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--cyan);
  padding:6px 14px;
  border-radius:var(--pill);
  border:1px solid rgba(22,224,176,.3);
  background:var(--cyan-soft);
}
.footer-status .dot{
  width:7px;height:7px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 4px rgba(22,224,176,.16);
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  margin-bottom:18px;
  color:#fff;
}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{
  font-size:14px;
  color:var(--text-2);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.footer-col ul li a:hover{color:var(--amber);padding-left:4px}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:24px;
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom .domain{color:var(--text-2);font-family:Inter,"SF Mono",ui-monospace,monospace}

/* ================= 进场动画 ================= */
.reveal{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}
.reveal.is-visible{opacity:1;transform:none}

/* ================= 响应式 ================= */
@media (max-width:1280px){
  :root{--gutter:32px}
  .faq-wrap{grid-template-columns:minmax(0,1fr) 280px;gap:28px}
}

@media (max-width:1024px){
  .nav-links{gap:18px}
  .nav-links a{font-size:14px}
  .feature-grid{grid-template-columns:1fr 1fr}
  .feature-card.is-wide{grid-column:1 / -1}
  .explain-grid{gap:36px}
  .cat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}

@media (max-width:900px){
  :root{--nav-h:72px}
  .nav-links{display:none}
  .hamburger{display:inline-flex}
  .faq-wrap{grid-template-columns:minmax(0,1fr)}
  .faq-aside{position:static}
  .explain-grid{grid-template-columns:minmax(0,1fr)}
  .explain-media{order:-1}
}

@media (max-width:640px){
  :root{--gutter:16px;--nav-h:64px}
  body{font-size:15.5px}
  .brand-text{font-size:18px}
  .header-actions .btn-sm{display:none}
  .page-hero{min-height:auto;padding:calc(var(--nav-h) + 40px) 0 46px;background-position:22% center}
  .hero-sub{font-size:15.5px}
  .hero-tools{flex-direction:column;align-items:stretch}
  .hero-search{max-width:none;flex:1 1 auto}
  .feature-grid{grid-template-columns:minmax(0,1fr);gap:16px}
  .cat-grid{grid-template-columns:minmax(0,1fr);gap:14px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:32px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-list .accordion-title{padding:16px 18px;font-size:15.5px}
  .faq-list .accordion-content{padding:0 18px 18px}
  .section{padding:56px 0}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}