/* roulang page: index */
:root{
  --ink:#1B1533;
  --ink-soft:#2A2150;
  --teal:#35D0BA;
  --teal-deep:#1E7F72;
  --sand:#F6F2E9;
  --card:#FFFDF8;
  --text:#2A2633;
  --muted:#6F687A;
  --amber:#F2A65A;
  --line:rgba(27,21,51,.12);
  --line-soft:rgba(27,21,51,.07);
  --radius-s:10px;
  --radius:16px;
  --radius-l:22px;
  --shadow:0 12px 30px rgba(27,21,51,.08);
  --shadow-lg:0 20px 44px rgba(27,21,51,.16);
  --container:1200px;
  --reading:820px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,li,figure{margin:0;padding:0}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:6px}
::selection{background:rgba(53,208,186,.3)}

.grid-container{max-width:var(--container);margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px;width:100%}
.grid-x{display:flex;flex-wrap:wrap}
.grid-margin-x{margin-left:-10px;margin-right:-10px}
.grid-margin-y{margin-top:-10px;margin-bottom:-10px}
.grid-margin-x > .cell{padding-left:10px;padding-right:10px}
.grid-margin-y > .cell{padding-top:10px;padding-bottom:10px}
.cell{flex:0 0 100%;max-width:100%;min-width:0}
@media screen and (min-width:640px){
  .medium-6{flex:0 0 50%;max-width:50%}
}
@media screen and (min-width:1024px){
  .large-3{flex:0 0 25%;max-width:25%}
  .large-4{flex:0 0 33.3333%;max-width:33.3333%}
  .large-5{flex:0 0 41.6666%;max-width:41.6666%}
  .large-7{flex:0 0 58.3333%;max-width:58.3333%}
  .large-8{flex:0 0 66.6666%;max-width:66.6666%}
}

/* ============ 顶部星轨胶囊导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(27,21,51,.96);
  border-bottom:1px solid rgba(255,255,255,.09);
  backdrop-filter:blur(8px);
}
.site-header__inner{
  position:relative;
  display:flex;
  align-items:center;
  gap:18px;
  min-height:70px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16.5px;letter-spacing:.01em;flex:0 0 auto}
.brand__mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 34px;
  background:
    radial-gradient(2px 2px at 30% 30%, #fff, transparent 60%),
    radial-gradient(2px 2px at 70% 62%, #F6F2E9, transparent 60%),
    radial-gradient(1.6px 1.6px at 52% 22%, rgba(255,255,255,.8), transparent 60%),
    linear-gradient(140deg,#2A2150,#1B1533 55%,#123B37);
  box-shadow:inset 0 0 0 1px rgba(53,208,186,.45);
}
.brand__text{white-space:nowrap}
.channel-nav{flex:1 1 auto;min-width:0}
.channel-list{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.channel-list a{
  display:inline-flex;align-items:center;
  padding:9px 16px;
  border-radius:999px;
  font-size:15px;
  color:rgba(255,255,255,.76);
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.channel-list a:hover{background:rgba(255,255,255,.09);color:#fff;transform:translateY(-1px)}
.channel-list a.is-active{
  color:#fff;
  background:rgba(53,208,186,.14);
  border-color:rgba(53,208,186,.55);
  box-shadow:0 0 0 3px rgba(53,208,186,.08);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.search-form{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:4px 6px 4px 14px}
.search-form label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.search-form input{
  background:transparent;border:0;color:#fff;font-size:14px;width:140px;padding:6px 0;
}
.search-form input::placeholder{color:rgba(255,255,255,.5)}
.search-form input:focus{outline:none}
.search-form button{
  border:0;cursor:pointer;border-radius:999px;padding:7px 14px;font-size:13.5px;font-weight:600;
  background:var(--teal);color:#0F2A26;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.search-form button:hover{background:#5BE0CC;transform:translateY(-1px)}
.nav-toggle{
  display:none;background:transparent;border:1px solid rgba(255,255,255,.25);color:#fff;
  border-radius:12px;padding:8px 12px;cursor:pointer;font-size:14px;line-height:1;
}
.nav-toggle:hover{border-color:var(--teal);color:var(--teal)}

@media screen and (max-width:1023px){
  .nav-toggle{display:inline-flex;align-items:center;gap:8px}
  .search-form{display:none}
  .channel-nav{flex:0 0 auto}
  .channel-list{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#1B1533;
    border-bottom:1px solid rgba(255,255,255,.12);
    padding:12px 16px 18px;
    margin:0;
    display:none;
  }
  .channel-list.is-open{display:flex}
  .channel-list a{justify-content:flex-start;padding:12px 14px;font-size:15.5px}
}
@media screen and (max-width:520px){
  .brand{font-size:15px}
  .brand__mark{width:30px;height:30px;flex:0 0 30px}
  .site-header__inner{min-height:64px;gap:10px}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--ink);color:var(--sand)}
.btn--primary:hover{background:var(--ink-soft);transform:translateY(-2px);box-shadow:0 16px 30px rgba(27,21,51,.24)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--teal);transform:translateY(-2px);box-shadow:0 12px 24px rgba(27,21,51,.1)}
.btn--light{background:var(--sand);color:var(--ink)}
.btn--light:hover{background:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(0,0,0,.26)}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn--outline-light:hover{border-color:var(--teal);color:var(--teal);transform:translateY(-2px)}
.btn--teal{background:var(--teal);color:#0F2A26}
.btn--teal:hover{background:#59DFCB;transform:translateY(-2px);box-shadow:0 14px 26px rgba(53,208,186,.28)}
.btn--sm{padding:9px 18px;font-size:14px}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--sand{background:var(--sand)}
.section--white{background:#FBF8F1}
.eyebrow{
  display:inline-block;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--teal-deep);
  background:rgba(53,208,186,.12);
  border:1px solid rgba(53,208,186,.3);
  border-radius:999px;
  padding:4px 12px;
  margin-bottom:14px;
}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:38px}
.section-head h2{font-size:clamp(25px,3.1vw,34px);line-height:1.3;font-weight:700;color:var(--ink);margin-bottom:10px}
.section-head p{max-width:660px;color:var(--muted);font-size:16px;line-height:1.8}
.section-head .head-link{font-size:15px;font-weight:600;color:var(--teal-deep);border-bottom:1px solid rgba(53,208,186,.4);padding-bottom:2px}
.section-head .head-link:hover{color:var(--ink);border-color:var(--ink)}

/* ============ Hero ============ */
.hero{position:relative;background-color:var(--ink);color:#fff;overflow:hidden;isolation:isolate}
.hero__bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.45;
}
.hero__veil{
  position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(circle at 15% 16%, rgba(53,208,186,.24), transparent 44%),
    radial-gradient(circle at 84% 10%, rgba(242,166,90,.16), transparent 40%),
    linear-gradient(180deg, rgba(27,21,51,.74) 0%, rgba(27,21,51,.9) 58%, rgba(27,21,51,.98) 100%);
}
.hero__stars{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 26%, rgba(255,255,255,.6), transparent 55%),
    radial-gradient(1.4px 1.4px at 36% 12%, rgba(255,255,255,.42), transparent 55%),
    radial-gradient(1.2px 1.2px at 60% 30%, rgba(246,242,233,.5), transparent 55%),
    radial-gradient(1.6px 1.6px at 86% 20%, rgba(53,208,186,.55), transparent 55%),
    radial-gradient(1.2px 1.2px at 74% 66%, rgba(255,255,255,.34), transparent 55%),
    radial-gradient(1.4px 1.4px at 24% 74%, rgba(246,242,233,.4), transparent 55%);
}
.hero__orbit{position:absolute;z-index:1;pointer-events:none;border-radius:50%;border:1px solid rgba(53,208,186,.26)}
.hero__orbit--a{width:540px;height:540px;right:-160px;top:-160px}
.hero__orbit--b{width:300px;height:300px;right:80px;top:170px;border-color:rgba(242,166,90,.22)}
.hero__inner{position:relative;z-index:2;padding:104px 0 84px}
.hero__title{
  font-size:clamp(32px,5vw,56px);
  line-height:1.24;
  font-weight:700;
  letter-spacing:-.01em;
  max-width:900px;
}
.hero__title em{font-style:normal;color:var(--teal)}
.hero__sub{
  margin-top:22px;
  max-width:680px;
  font-size:17.5px;
  line-height:1.85;
  color:rgba(255,255,255,.82);
}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.hero-chips a{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  font-size:14px;color:rgba(255,255,255,.82);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.hero-chips a:hover{border-color:var(--teal);color:#fff;background:rgba(53,208,186,.12);transform:translateY(-2px)}
.hero-chips a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal);flex:0 0 6px}
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.14);
  border-radius:18px;overflow:hidden;
  margin-top:52px;
}
.stats__item{background:rgba(20,15,40,.62);padding:20px 22px}
.stats__num{font-size:26px;font-weight:700;line-height:1.2;color:#fff;font-variant-numeric:tabular-nums}
.stats__label{margin-top:4px;font-size:13px;color:rgba(255,255,255,.66)}
@media screen and (max-width:1023px){
  .hero__orbit{display:none}
  .hero__inner{padding:76px 0 64px}
}
@media screen and (max-width:767px){
  .stats{grid-template-columns:repeat(2,1fr);margin-top:40px}
  .hero__inner{padding:60px 0 52px}
  .hero__sub{font-size:16px}
  .hero__actions .btn{flex:1 1 100%}
}

/* ============ 主题封面 ============ */
.feature-cover{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.feature-cover__media{position:relative;min-height:340px}
.feature-cover__media img{width:100%;height:100%;object-fit:cover}
.feature-cover__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg, rgba(27,21,51,.35), rgba(27,21,51,0) 55%);
}
.feature-cover__media .badge{position:absolute;top:20px;left:20px;z-index:2}
.feature-cover__body{padding:38px 40px 42px;display:flex;flex-direction:column;align-items:flex-start}
.feature-cover__body h2{font-size:clamp(23px,2.6vw,31px);line-height:1.35;color:var(--ink);margin-bottom:16px}
.feature-cover__body p{color:var(--muted);font-size:16px;line-height:1.85}
.feature-cover__meta{display:flex;flex-wrap:wrap;gap:10px 18px;margin:20px 0 26px;font-size:13.5px;color:var(--muted)}
.feature-cover__meta span{display:inline-flex;align-items:center;gap:6px}
.feature-cover__meta span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--teal)}
@media screen and (max-width:1023px){
  .feature-cover{grid-template-columns:1fr}
  .feature-cover__media{min-height:260px;aspect-ratio:16/9}
  .feature-cover__body{padding:30px 26px 34px}
}

/* ============ 通用卡片 ============ */
.card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:rgba(53,208,186,.6);box-shadow:var(--shadow-lg)}
.card__media{aspect-ratio:16/10;overflow:hidden;background:rgba(27,21,51,.06)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.card:hover .card__media img{transform:scale(1.04)}
.card__body{display:flex;flex-direction:column;gap:10px;flex:1;padding:20px 22px 24px}
.card__title{font-size:18.5px;font-weight:600;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__text{font-size:15px;line-height:1.78;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card__meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:auto;padding-top:8px;font-size:13px;color:var(--muted)}
.card__meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block}

.badge{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.6;
  color:var(--teal-deep);
  background:rgba(53,208,186,.13);
  border:1px solid rgba(53,208,186,.32);
}
.badge--ink{background:var(--ink);color:#F6F2E9;border-color:transparent}
.badge--amber{color:#8A5316;background:rgba(242,166,90,.16);border-color:rgba(242,166,90,.4)}

/* ============ 合集目录 ============ */
.toc-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:30px;align-items:start}
.toc{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:8px}
.toc li + li{border-top:1px dashed var(--line)}
.toc a{display:flex;gap:18px;padding:18px 16px;border-radius:12px;transition:background .2s var(--ease),transform .2s var(--ease)}
.toc a:hover{background:rgba(53,208,186,.08);transform:translateX(2px)}
.toc__index{flex:0 0 30px;font-size:15px;font-weight:700;color:var(--teal);font-variant-numeric:tabular-nums;padding-top:2px}
.toc__name{font-size:16.5px;font-weight:600;color:var(--ink);display:block}
.toc__desc{display:block;margin-top:4px;font-size:14px;line-height:1.7;color:var(--muted)}
.side-note{
  background:linear-gradient(160deg,#241B45,#1B1533 65%,#14332F);
  color:rgba(255,255,255,.8);
  border:1px solid rgba(53,208,186,.22);
  border-radius:18px;
  padding:30px 28px;
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
}
.side-note::after{
  content:"";position:absolute;right:-70px;bottom:-70px;width:200px;height:200px;border-radius:50%;
  border:1px solid rgba(53,208,186,.28);
}
.side-note h3{color:#fff;font-size:20px;font-weight:600;margin-bottom:12px}
.side-note p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.76)}
.side-note ul{margin-top:18px;display:grid;gap:10px}
.side-note li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.8)}
.side-note li::before{content:"";flex:0 0 6px;width:6px;height:6px;border-radius:50%;background:var(--amber);margin-top:9px}
.side-note .btn{margin-top:24px}
@media screen and (max-width:1023px){
  .toc-grid{grid-template-columns:1fr}
}

/* ============ 最新信息列表 ============ */
.post-card{
  display:flex;gap:18px;height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:16px;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.post-card:hover{transform:translateY(-2px);border-color:rgba(53,208,186,.6);box-shadow:var(--shadow-lg)}
.post-card__media{flex:0 0 148px;width:148px;aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:rgba(27,21,51,.06)}
.post-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.post-card:hover .post-card__media img{transform:scale(1.05)}
.post-card__body{display:flex;flex-direction:column;gap:8px;min-width:0;flex:1}
.post-card__title{font-size:17.5px;font-weight:600;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__text{font-size:14.5px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__meta{margin-top:auto;font-size:13px;color:var(--muted);display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.empty-state{
  text-align:center;
  padding:52px 24px;
  background:var(--card);
  border:1px dashed var(--line);
  border-radius:var(--radius);
  color:var(--muted);
  font-size:16px;
}
@media screen and (max-width:520px){
  .post-card{flex-direction:column}
  .post-card__media{flex:1 1 auto;width:100%;aspect-ratio:16/9}
}

/* ============ 横向推荐轨 ============ */
.rail{display:flex;gap:18px;overflow-x:auto;padding:4px 4px 20px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-track{background:rgba(27,21,51,.06);border-radius:999px}
.rail::-webkit-scrollbar-thumb{background:rgba(27,21,51,.2);border-radius:999px}
.rail > *{flex:0 0 320px;scroll-snap-align:start}
@media screen and (max-width:520px){
  .rail > *{flex:0 0 84%}
}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin-left:auto;margin-right:auto}
.accordion{background:transparent;border:0;margin:0;padding:0;list-style:none}
.accordion-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:14px;
  margin-bottom:14px;
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.accordion-item:hover{border-color:rgba(53,208,186,.5);box-shadow:0 16px 34px rgba(27,21,51,.12)}
.accordion-item:last-child{margin-bottom:0}
.accordion-title{
  display:block;
  position:relative;
  border:0;background:transparent;
  padding:18px 56px 18px 22px;
  font-size:16.5px;font-weight:600;line-height:1.55;
  color:var(--ink);
}
.accordion-title:hover{background:rgba(53,208,186,.06)}
.accordion-title::before{
  content:"+";
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;
  background:var(--ink);color:#F6F2E9;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.accordion-item.is-active .accordion-title::before{content:"–";background:var(--teal);color:#0F2A26}
.accordion-content{
  border:0;background:transparent;
  padding:0 22px 20px;
  font-size:15.5px;line-height:1.85;color:var(--muted);
}
.accordion-item.is-active .accordion-content{display:block}

/* ============ 收束 CTA ============ */
.cta-card{
  position:relative;
  background:linear-gradient(150deg,#241B45,#1B1533 60%,#14332F);
  border:1px solid rgba(53,208,186,.24);
  border-radius:var(--radius-l);
  padding:46px 44px;
  color:#fff;
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  display:grid;
  grid-template-columns:1.1fr auto;
  gap:30px;
  align-items:center;
}
.cta-card::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(1.6px 1.6px at 16% 28%, rgba(255,255,255,.5), transparent 55%),
    radial-gradient(1.3px 1.3px at 44% 16%, rgba(246,242,233,.45), transparent 55%),
    radial-gradient(1.4px 1.4px at 72% 34%, rgba(53,208,186,.5), transparent 55%),
    radial-gradient(1.2px 1.2px at 88% 66%, rgba(242,166,90,.45), transparent 55%);
}
.cta-card h2{position:relative;font-size:clamp(23px,2.6vw,31px);line-height:1.35;margin-bottom:12px}
.cta-card p{position:relative;font-size:16px;line-height:1.85;color:rgba(255,255,255,.78);max-width:620px}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.cta-hint{position:relative;grid-column:1 / -1;font-size:14px;color:var(--teal);min-height:20px}
@media screen and (max-width:1023px){
  .cta-card{grid-template-columns:1fr;padding:34px 26px}
  .cta-actions{justify-content:flex-start}
  .cta-actions .btn{flex:1 1 auto}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:66px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16.5px;margin-bottom:14px}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66)}
.site-footer h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-links{display:grid;gap:11px}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.7);transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block}
.footer-links a:hover{color:var(--teal);transform:translateX(2px)}
.footer-note{
  margin-top:18px;padding:14px 16px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:12px;
  font-size:13.5px;color:rgba(255,255,255,.62);
  line-height:1.8;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:var(--teal)}
@media screen and (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media screen and (max-width:520px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .section{padding:56px 0}
  .section--tight{padding:44px 0}
  .section-head{margin-bottom:26px}
}

/* roulang page: article */
:root{
  --ink:#1B1533;
  --ink-soft:#241C40;
  --ink-deep:#150F28;
  --teal:#35D0BA;
  --teal-deep:#12806F;
  --sand:#F6F2E9;
  --card:#FFFDF8;
  --text:#2A2633;
  --muted:#6F687A;
  --orange:#F2A65A;
  --orange-deep:#9A5C12;
  --border:rgba(27,21,51,.12);
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow:0 12px 30px rgba(27,21,51,.08);
  --shadow-lg:0 22px 48px rgba(27,21,51,.16);
  --container:1200px;
  --read:820px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--teal-deep);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--ink);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.3;font-weight:700;}
p{margin:0;}
.grid-container{max-width:var(--container);padding-left:20px;padding-right:20px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 8px 26px rgba(21,15,40,.24);
}
.site-header__inner{
  position:relative;
  display:flex;align-items:center;gap:22px;
  min-height:72px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:#fff;font-size:17px;font-weight:700;letter-spacing:.01em;
  white-space:nowrap;flex:0 0 auto;
}
.brand:hover{color:#fff;}
.brand__mark{
  width:22px;height:22px;border-radius:50%;
  position:relative;flex:0 0 auto;
  border:1px solid rgba(255,255,255,.32);
  background:
    radial-gradient(circle at 32% 30%, #FFFDF8 0 16%, rgba(255,253,248,0) 17%),
    radial-gradient(circle at 70% 68%, var(--orange) 0 18%, rgba(242,166,90,0) 19%),
    linear-gradient(140deg, rgba(53,208,186,.55), rgba(242,166,90,.35));
}
.brand__mark::after{
  content:"";position:absolute;inset:-6px;border-radius:50%;
  border:1px solid rgba(53,208,186,.35);
}
.channel-nav{flex:1 1 auto;display:flex;justify-content:center;}
.channel-list{
  display:flex;align-items:center;gap:8px;list-style:none;
}
.channel-list a{
  display:inline-block;padding:9px 18px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:rgba(255,255,255,.74);
  border:1px solid transparent;transition:all .22s ease;white-space:nowrap;
}
.channel-list a:hover{
  color:#fff;background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.12);
}
.channel-list a.is-active{
  color:#fff;background:rgba(53,208,186,.14);
  border-color:rgba(53,208,186,.55);
  box-shadow:0 0 0 3px rgba(53,208,186,.08);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search-form{display:flex;align-items:center;gap:6px;}
.search-form label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);}
.search-form input[type="search"]{
  width:170px;height:38px;padding:0 14px;
  border-radius:999px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;font-size:14px;
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.search-form input[type="search"]::placeholder{color:rgba(255,255,255,.5);}
.search-form input[type="search"]:focus{
  outline:none;border-color:var(--teal);background:rgba(255,255,255,.1);
  box-shadow:0 0 0 3px rgba(53,208,186,.22);
}
.search-form button{
  height:38px;padding:0 18px;border-radius:999px;border:0;cursor:pointer;
  background:var(--teal);color:#0E2B27;font-size:14px;font-weight:600;
  transition:background .2s ease,transform .2s ease;
}
.search-form button:hover{background:#4DDCC7;transform:translateY(-1px);}
.nav-toggle{
  display:none;height:38px;padding:0 16px;border-radius:999px;cursor:pointer;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:14px;
}
.nav-toggle:focus{outline:none;box-shadow:0 0 0 3px rgba(53,208,186,.35);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  text-decoration:none;transition:transform .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease,color .2s ease;
}
.btn:focus-visible{outline:3px solid rgba(53,208,186,.5);outline-offset:2px;}
.btn:active{transform:translateY(1px);}
.btn--primary{background:var(--ink);color:#FFFDF8;box-shadow:0 10px 24px rgba(27,21,51,.2);}
.btn--primary:hover{background:var(--ink-soft);color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(27,21,51,.26);}
.btn--ghost{background:transparent;border-color:rgba(27,21,51,.26);color:var(--ink);}
.btn--ghost:hover{border-color:var(--teal);color:var(--teal-deep);background:rgba(53,208,186,.08);transform:translateY(-2px);}
.btn--accent{background:var(--orange);color:#3A2609;box-shadow:0 10px 24px rgba(242,166,90,.28);}
.btn--accent:hover{background:#F6B473;color:#3A2609;transform:translateY(-2px);}
.btn--light{background:#FFFDF8;color:var(--ink);}
.btn--light:hover{background:#fff;color:var(--ink);transform:translateY(-2px);}
.btn--outline-light{background:transparent;border-color:rgba(255,255,255,.4);color:#fff;}
.btn--outline-light:hover{border-color:var(--teal);color:#fff;background:rgba(53,208,186,.14);transform:translateY(-2px);}
.btn--sm{padding:9px 18px;font-size:14px;}

/* ============ 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1.5;
  background:rgba(53,208,186,.14);color:var(--teal-deep);
  border:1px solid rgba(53,208,186,.35);
}
.badge--orange{background:rgba(242,166,90,.18);color:var(--orange-deep);border-color:rgba(242,166,90,.42);}
.badge--onDark{background:rgba(255,255,255,.1);color:#EFEAF6;border-color:rgba(255,255,255,.24);}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;overflow:hidden;
  background:var(--ink);color:#fff;
  padding:44px 0 62px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.26;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 12% 24%, rgba(53,208,186,.22), rgba(53,208,186,0) 42%),
    radial-gradient(circle at 88% 74%, rgba(242,166,90,.18), rgba(242,166,90,0) 46%),
    linear-gradient(180deg, rgba(27,21,51,.72), rgba(27,21,51,.94));
}
.article-hero .grid-container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:var(--teal);}
.breadcrumb .sep{color:rgba(255,255,255,.34);}
.breadcrumb .current{color:#fff;font-weight:600;}
.article-hero h1{
  color:#fff;
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.28;letter-spacing:.01em;
  max-width:880px;
  margin-bottom:22px;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px 18px;
  font-size:13.5px;color:rgba(255,255,255,.7);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px;}
.article-meta .meta-item i{color:var(--teal);font-size:12px;}

/* ============ 文章主体 ============ */
.article-main{padding:56px 0 72px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,var(--read)) 264px;
  gap:44px;
  justify-content:center;
  align-items:start;
}
.article-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:clamp(22px,3.4vw,48px);
}
.article-body{font-size:17px;line-height:1.9;color:var(--text);}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:clamp(22px,2.6vw,28px);
  margin:46px 0 16px;padding-left:16px;position:relative;line-height:1.36;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;
  border-radius:4px;background:linear-gradient(180deg,var(--teal),var(--orange));
}
.article-body h3{font-size:20px;margin:34px 0 12px;}
.article-body p{margin:0 0 20px;}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px;}
.article-body li{margin-bottom:10px;}
.article-body ul li::marker{color:var(--teal);}
.article-body ol li::marker{color:var(--orange);font-weight:600;}
.article-body blockquote{
  margin:0 0 24px;padding:18px 22px;
  background:rgba(53,208,186,.07);
  border-left:3px solid var(--teal);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#3B3548;font-size:16.5px;
}
.article-body img{border-radius:var(--radius-md);margin:26px 0;box-shadow:var(--shadow);}
.article-body a{color:var(--teal-deep);border-bottom:1px solid rgba(18,128,111,.32);}
.article-body a:hover{color:var(--ink);border-bottom-color:var(--ink);}
.article-body hr{border:0;height:1px;background:var(--border);margin:38px 0;}
.article-body code{
  background:rgba(27,21,51,.06);border:1px solid var(--border);
  border-radius:6px;padding:2px 7px;font-size:14.5px;color:#4A3F66;
}
.article-body pre{
  background:var(--ink);color:#EDE8F6;border-radius:var(--radius-md);
  padding:20px 22px;overflow-x:auto;font-size:14.5px;line-height:1.75;margin:0 0 24px;
}
.article-body pre code{background:none;border:0;color:inherit;padding:0;}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 24px;font-size:15.5px;}
.article-body th,.article-body td{
  border:1px solid var(--border);padding:12px 14px;text-align:left;
}
.article-body th{background:rgba(53,208,186,.08);font-weight:600;color:var(--ink);}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:8px;}

.article-empty{
  text-align:center;padding:34px 10px 30px;
}
.article-empty h2{font-size:24px;margin-bottom:14px;}
.article-empty p{color:var(--muted);max-width:520px;margin:0 auto 26px;}

.article-actions{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;
  margin-top:44px;padding-top:28px;border-top:1px dashed var(--border);
}
.article-actions .tip{font-size:13.5px;color:var(--muted);margin-left:auto;}

/* ============ 侧栏 ============ */
.article-aside{position:sticky;top:96px;display:grid;gap:20px;}
.toc-box{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-md);box-shadow:var(--shadow);
  padding:20px;
}
.toc-box h2{font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.toc-box h2 i{color:var(--teal);font-size:13px;}
.toc-box ol{list-style:none;display:grid;gap:8px;counter-reset:toc;}
.toc-box li{font-size:14px;line-height:1.6;counter-increment:toc;}
.toc-box li a{
  display:block;color:var(--muted);padding:4px 0 4px 10px;
  border-left:2px solid transparent;transition:all .2s ease;
}
.toc-box li a::before{content:counter(toc) ". ";color:rgba(27,21,51,.4);}
.toc-box li.toc-h3 a{padding-left:24px;font-size:13.5px;}
.toc-box li a:hover{color:var(--teal-deep);border-left-color:var(--teal);}
.toc-empty{font-size:13.5px;color:var(--muted);line-height:1.75;}
.aside-card{
  background:linear-gradient(160deg,var(--ink),#2B2150);
  color:rgba(255,255,255,.78);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow);
}
.aside-card h3{color:#fff;font-size:16px;margin-bottom:10px;}
.aside-card p{font-size:13.5px;line-height:1.8;margin-bottom:16px;}

/* ============ 通用板块 ============ */
.section{padding:68px 0;}
.section--alt{background:#F1EBDE;}
.section-head{max-width:720px;margin-bottom:38px;}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:15.5px;}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--teal-deep);
  letter-spacing:.06em;margin-bottom:12px;
}
.section-head .kicker::before{
  content:"";width:22px;height:1px;background:var(--teal);
}
.related-grid{margin-top:-12px;}
.related-grid > .cell{margin-bottom:24px;}

.card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-3px);border-color:rgba(53,208,186,.55);box-shadow:var(--shadow-lg);}
.card__media{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--ink);}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.card:hover .card__media img{transform:scale(1.04);}
.card__body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card__title{font-size:19px;line-height:1.45;}
.card__title a{color:var(--ink);}
.card__title a:hover{color:var(--teal-deep);}
.card__text{font-size:14.5px;color:var(--muted);line-height:1.8;}
.card__meta{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:auto;
  font-size:13px;color:var(--muted);padding-top:6px;
}
.card__meta span{display:inline-flex;align-items:center;gap:6px;}
.card__meta i{color:rgba(27,21,51,.35);font-size:12px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-md);margin-bottom:14px;overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:rgba(53,208,186,.5);box-shadow:var(--shadow);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq-q:focus-visible{outline:3px solid rgba(53,208,186,.45);outline-offset:-4px;}
.faq-q i{color:var(--teal);transition:transform .25s ease;font-size:15px;}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease,padding .32s ease;padding:0 22px;}
.faq-a p{font-size:15px;color:var(--muted);line-height:1.85;padding-bottom:20px;}
.faq-item.is-open .faq-a{max-height:420px;}

/* ============ CTA ============ */
.cta-section{padding:0 0 78px;}
.cta-box{
  position:relative;overflow:hidden;
  background:linear-gradient(140deg,var(--ink) 0%,#2C2254 58%,#1E423F 100%);
  border-radius:22px;padding:clamp(28px,4vw,52px);
  color:rgba(255,255,255,.8);box-shadow:var(--shadow-lg);
}
.cta-box::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px, rgba(255,255,255,0) 1.4px);
  background-size:34px 34px;opacity:.14;
}
.cta-box__inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;}
.cta-box h2{color:#fff;font-size:clamp(22px,2.8vw,30px);margin-bottom:12px;}
.cta-box p{font-size:15px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);color:rgba(255,255,255,.72);
  padding:58px 0 26px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:34px;}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-size:17px;font-weight:700;margin-bottom:16px;
}
.site-footer h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);}
.footer-links{list-style:none;display:grid;gap:11px;font-size:14px;}
.footer-links a{color:rgba(255,255,255,.7);}
.footer-links a:hover{color:var(--teal);}
.footer-note{font-size:13px;line-height:1.8;color:rgba(255,255,255,.5);margin-top:14px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:var(--teal);}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-aside{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:56px 0;}
}
@media screen and (max-width:900px){
  .channel-nav{flex:0 0 auto;}
  .channel-list{
    display:none;
    position:absolute;top:calc(100% + 12px);left:12px;right:12px;
    flex-direction:column;align-items:stretch;gap:6px;
    background:var(--ink-soft);
    border:1px solid rgba(255,255,255,.14);
    border-radius:var(--radius-md);
    padding:12px;box-shadow:var(--shadow-lg);
  }
  .channel-list.is-open{display:flex;}
  .channel-list a{padding:12px 16px;border-radius:var(--radius-sm);font-size:15px;}
  .nav-toggle{display:inline-flex;align-items:center;}
  .search-form{display:none;}
  .site-header__inner{justify-content:space-between;min-height:66px;}
}
@media screen and (max-width:640px){
  .article-hero{padding:32px 0 46px;}
  .article-main{padding:36px 0 54px;}
  .article-card{padding:20px 18px 24px;}
  .article-body{font-size:16px;}
  .article-body h2{margin-top:34px;}
  .article-actions .tip{margin-left:0;width:100%;}
  .section{padding:44px 0;}
  .cta-section{padding-bottom:56px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .search-form input[type="search"]{width:130px;}
}
@media screen and (min-width:641px) and (max-width:900px){
  .brand__text{font-size:16px;}
}

/* roulang page: category1 */
:root{
  --ink:#1B1533;
  --ink-2:#241C46;
  --cyan:#35D0BA;
  --cream:#F6F2E9;
  --card:#FFFDF8;
  --text:#2A2633;
  --muted:#6F687A;
  --orange:#F2A65A;
  --line:rgba(27,21,51,0.12);
  --line-soft:rgba(27,21,51,0.07);
  --radius:16px;
  --radius-sm:10px;
  --radius-xs:8px;
  --shadow:0 12px 30px rgba(27,21,51,0.08);
  --shadow-lg:0 20px 46px rgba(27,21,51,0.18);
  --container:1200px;
  --read:820px;
}

*,*::before,*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;height:auto;}

a{color:var(--ink);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}

a:hover{color:var(--cyan);}

p{margin:0 0 1em;}

h1,h2,h3,h4{margin:0 0 .6em;color:var(--ink);font-weight:700;line-height:1.25;letter-spacing:0;}

h1{font-size:clamp(32px,5vw,56px);}
h2{font-size:clamp(24px,3vw,34px);}
h3{font-size:clamp(19px,2vw,23px);}

ul,ol{margin:0;padding:0;}

button,input{font-family:inherit;font-size:inherit;}

:focus-visible{outline:3px solid rgba(53,208,186,.6);outline-offset:2px;border-radius:6px;}

.grid-container{max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px;}

@media screen and (min-width:1024px){
  .grid-container{padding-left:28px;padding-right:28px;}
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--ink);
  border-bottom:1px solid rgba(246,242,233,0.08);
  box-shadow:0 10px 30px rgba(27,21,51,0.28);
}

.site-header__inner{
  display:flex;
  align-items:center;
  gap:22px;
  min-height:74px;
  padding:10px 0;
  flex-wrap:wrap;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--cream);
  font-weight:700;
  font-size:18px;
  letter-spacing:.01em;
  white-space:nowrap;
}

.brand:hover{color:var(--cream);}

.brand__mark{
  width:20px;
  height:20px;
  flex:0 0 20px;
  background:linear-gradient(135deg,var(--cyan),var(--orange));
  clip-path:polygon(50% 0%,61% 39%,100% 50%,61% 61%,50% 100%,39% 61%,0% 50%,39% 39%);
}

.brand__text{display:inline-block;}

.channel-nav{margin-left:auto;}

.channel-list{
  display:flex;
  align-items:center;
  gap:6px;
  list-style:none;
}

.channel-list li{display:block;}

.channel-list a{
  display:inline-block;
  padding:8px 16px;
  border-radius:999px;
  color:rgba(246,242,233,0.74);
  font-size:15px;
  border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}

.channel-list a:hover{
  color:var(--cream);
  background:rgba(246,242,233,0.08);
}

.channel-list a.is-active{
  color:var(--cyan);
  background:rgba(53,208,186,0.14);
  border-color:rgba(53,208,186,0.5);
  box-shadow:0 0 0 3px rgba(53,208,186,0.08);
}

.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
}

.search-form{
  display:flex;
  align-items:center;
  gap:8px;
  background:rgba(246,242,233,0.06);
  border:1px solid rgba(246,242,233,0.16);
  border-radius:999px;
  padding:4px 4px 4px 14px;
  transition:border-color .2s ease,background-color .2s ease;
}

.search-form:focus-within{
  border-color:rgba(53,208,186,0.7);
  background:rgba(246,242,233,0.1);
}

.search-form label{
  position:absolute;
  width:1px;height:1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
}

.search-form input[type="search"]{
  background:transparent;
  border:0;
  color:var(--cream);
  width:150px;
  padding:6px 0;
  outline:none;
}

.search-form input[type="search"]::placeholder{color:rgba(246,242,233,0.5);}

.search-form button{
  border:0;
  cursor:pointer;
  padding:7px 16px;
  border-radius:999px;
  background:var(--cyan);
  color:#12261f;
  font-weight:700;
  font-size:14px;
  transition:background-color .2s ease,transform .2s ease;
}

.search-form button:hover{background:#4ee0cb;}

.search-form button:active{transform:translateY(1px);}

.nav-toggle{
  display:none;
  border:1px solid rgba(246,242,233,0.28);
  background:rgba(246,242,233,0.06);
  color:var(--cream);
  border-radius:999px;
  padding:8px 18px;
  font-size:14px;
  cursor:pointer;
  transition:background-color .2s ease,border-color .2s ease;
}

.nav-toggle:hover{background:rgba(246,242,233,0.14);border-color:rgba(53,208,186,0.6);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  background:var(--ink);
  color:var(--cream);
  overflow:hidden;
}

.page-hero__bg{
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(1200px 420px at 82% 12%, rgba(53,208,186,0.20), transparent 62%),
    linear-gradient(115deg, rgba(27,21,51,0.94) 0%, rgba(27,21,51,0.82) 46%, rgba(27,21,51,0.66) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover,cover,cover;
  background-position:center,center,center;
  opacity:.98;
}

.page-hero__bg::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 26%, rgba(246,242,233,0.9), transparent 60%),
    radial-gradient(1.4px 1.4px at 34% 68%, rgba(246,242,233,0.7), transparent 60%),
    radial-gradient(1.8px 1.8px at 58% 22%, rgba(53,208,186,0.9), transparent 60%),
    radial-gradient(1.3px 1.3px at 76% 58%, rgba(246,242,233,0.75), transparent 60%),
    radial-gradient(1.6px 1.6px at 90% 30%, rgba(242,166,90,0.85), transparent 60%);
  opacity:.75;
}

.page-hero__inner{
  position:relative;
  z-index:2;
  padding:56px 0 66px;
  max-width:880px;
}

.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:rgba(246,242,233,0.62);
  margin-bottom:22px;
}

.breadcrumb a{color:rgba(246,242,233,0.72);}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb .current{color:var(--cyan);}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--cyan);
  border:1px solid rgba(53,208,186,0.4);
  background:rgba(53,208,186,0.1);
  border-radius:999px;
  padding:5px 14px;
  margin:0 0 20px;
}

.page-hero h1{
  color:var(--cream);
  margin-bottom:18px;
}

.page-hero__lead{
  font-size:clamp(16px,1.6vw,18.5px);
  line-height:1.85;
  color:rgba(246,242,233,0.82);
  max-width:720px;
  margin-bottom:28px;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:38px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 28px;
  border-radius:999px;
  font-weight:700;
  font-size:15.5px;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}

.btn:active{transform:translateY(2px);}

.btn-primary{
  background:var(--cyan);
  color:#12261f;
  box-shadow:0 12px 26px rgba(53,208,186,0.28);
}

.btn-primary:hover{
  background:#4ee0cb;
  color:#12261f;
  box-shadow:0 16px 32px rgba(53,208,186,0.36);
}

.btn-outline{
  background:transparent;
  color:var(--cream);
  border-color:rgba(246,242,233,0.4);
}

.btn-outline:hover{
  color:var(--cream);
  border-color:var(--cyan);
  background:rgba(53,208,186,0.12);
}

.btn-ink{
  background:var(--ink);
  color:var(--cream);
}

.btn-ink:hover{background:var(--ink-2);color:var(--cream);}

.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--line);
}

.btn-ghost:hover{border-color:var(--cyan);color:var(--ink);background:rgba(53,208,186,0.08);}

.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  max-width:640px;
  list-style:none;
}

.hero-stats li{
  background:rgba(246,242,233,0.06);
  border:1px solid rgba(246,242,233,0.14);
  border-radius:var(--radius-sm);
  padding:14px 18px;
}

.hero-stats strong{
  display:block;
  font-size:23px;
  color:var(--cyan);
  line-height:1.3;
}

.hero-stats span{
  font-size:13px;
  color:rgba(246,242,233,0.68);
}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0;}

.section--tight{padding:56px 0;}

.section--ink{
  background:var(--ink);
  color:rgba(246,242,233,0.84);
}

.section--ink h2,
.section--ink h3{color:var(--cream);}

.section--paper{background:var(--card);}

.section-head{
  max-width:720px;
  margin-bottom:40px;
}

.section-tag{
  display:inline-block;
  font-size:13px;
  color:var(--cyan);
  background:rgba(53,208,186,0.12);
  border:1px solid rgba(53,208,186,0.32);
  border-radius:999px;
  padding:4px 14px;
  margin-bottom:14px;
}

.section-head p{
  color:var(--muted);
  margin:0;
}

.section--ink .section-head p{color:rgba(246,242,233,0.7);}

.rule{
  height:1px;
  background:linear-gradient(90deg,rgba(53,208,186,0.5),rgba(53,208,186,0.04));
  border:0;
  margin:0;
}

/* ---------- 范围说明 ---------- */
.scope-panel{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:28px;
  align-items:start;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:34px;
  margin-top:-46px;
  position:relative;
  z-index:3;
}

.scope-panel h2{font-size:clamp(21px,2.2vw,26px);}

.scope-panel p{color:var(--muted);margin-bottom:0;}

.scope-list{
  list-style:none;
  display:grid;
  gap:12px;
}

.scope-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:12px 14px;
  border:1px solid var(--line-soft);
  border-radius:var(--radius-sm);
  background:rgba(246,242,233,0.55);
  font-size:15px;
}

.scope-list .dot{
  width:9px;height:9px;
  margin-top:9px;
  flex:0 0 9px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 4px rgba(53,208,186,0.14);
}

/* ---------- 时间线目录 ---------- */
.timeline{
  list-style:none;
  position:relative;
  margin:0;
  padding:0;
}

.timeline::before{
  content:"";
  position:absolute;
  left:23px;
  top:10px;
  bottom:10px;
  width:2px;
  background:linear-gradient(180deg,rgba(53,208,186,0.6),rgba(53,208,186,0.06));
  border-radius:2px;
}

.timeline__item{
  position:relative;
  padding-left:72px;
  margin-bottom:26px;
}

.timeline__item:last-child{margin-bottom:0;}

.timeline__marker{
  position:absolute;
  left:0;
  top:24px;
  width:48px;
  height:48px;
  border-radius:50%;
  background:var(--card);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
  font-size:15px;
  color:var(--ink);
  z-index:2;
}

.timeline__item.is-current .timeline__marker{
  border-color:var(--cyan);
  color:var(--cyan);
  box-shadow:0 0 0 5px rgba(53,208,186,0.14);
}

.entry-card{
  display:grid;
  grid-template-columns:236px 1fr;
  gap:22px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:20px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}

.entry-card:hover{
  transform:translateY(-2px);
  border-color:rgba(53,208,186,0.55);
  box-shadow:var(--shadow-lg);
}

.entry-card__media{
  border-radius:var(--radius-sm);
  overflow:hidden;
  background:var(--ink);
  min-height:150px;
}

.entry-card__media img{
  width:100%;
  height:100%;
  object-fit:cover;
  min-height:150px;
}

.entry-card__body{display:flex;flex-direction:column;gap:10px;}

.entry-card__meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--muted);
}

.badge{
  display:inline-block;
  font-size:12.5px;
  padding:3px 12px;
  border-radius:999px;
  background:rgba(53,208,186,0.13);
  color:#1c7a6d;
  border:1px solid rgba(53,208,186,0.32);
}

.badge--warm{
  background:rgba(242,166,90,0.16);
  color:#9a5f16;
  border-color:rgba(242,166,90,0.4);
}

.entry-card h3{margin:0;font-size:21px;}

.entry-card h3 a{color:var(--ink);}
.entry-card h3 a:hover{color:var(--cyan);}

.entry-card p{color:var(--muted);font-size:15.5px;margin:0;}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:700;
  font-size:14.5px;
  color:var(--cyan);
  border-bottom:1px solid rgba(53,208,186,0.4);
  padding-bottom:2px;
  width:fit-content;
}

.text-link:hover{color:var(--cyan);border-bottom-color:var(--cyan);}

.text-link::after{content:"→";font-weight:400;}

/* ---------- 数据条 ---------- */
.metrics{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}

.metric{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 20px;
  box-shadow:var(--shadow);
}

.metric strong{
  display:block;
  font-size:30px;
  line-height:1.2;
  color:var(--ink);
  margin-bottom:6px;
}

.metric span{font-size:14px;color:var(--muted);}

.metric--accent strong{color:var(--cyan);}

/* ---------- 推荐 ---------- */
.reco-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}

.reco-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}

.reco-card:hover{
  transform:translateY(-2px);
  border-color:rgba(53,208,186,0.55);
  box-shadow:var(--shadow-lg);
}

.reco-card__media{height:158px;overflow:hidden;background:var(--ink);}

.reco-card__media img{width:100%;height:100%;object-fit:cover;}

.reco-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}

.reco-card__body h3{font-size:18.5px;margin:0;}

.reco-card__body p{font-size:14.5px;color:var(--muted);margin:0;}

.reco-card__foot{
  margin-top:auto;
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:13px;
  color:var(--muted);
  border-top:1px solid var(--line-soft);
  padding-top:12px;
}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;
  background:var(--ink);
  border-radius:var(--radius);
  padding:46px 42px;
  color:rgba(246,242,233,0.82);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
}

.cta-panel::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(420px 200px at 88% 0%, rgba(53,208,186,0.22), transparent 70%),
    radial-gradient(2px 2px at 22% 30%, rgba(246,242,233,0.8), transparent 60%),
    radial-gradient(2px 2px at 46% 76%, rgba(242,166,90,0.9), transparent 60%),
    radial-gradient(1.6px 1.6px at 72% 42%, rgba(53,208,186,0.9), transparent 60%);
  opacity:.9;
}

.cta-panel > *{position:relative;z-index:2;}

.cta-panel h2{color:var(--cream);margin-bottom:14px;}

.cta-panel p{max-width:640px;margin-bottom:26px;}

.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}

.accordion{
  border:0;
  background:transparent;
}

.accordion-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  margin-bottom:14px;
  overflow:hidden;
}

.accordion-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  border:0;
  background:transparent;
}

.accordion-title::before{
  content:"+";
  order:2;
  flex:0 0 auto;
  width:28px;
  height:28px;
  border-radius:50%;
  border:1px solid rgba(53,208,186,0.45);
  color:var(--cyan);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:400;
  font-size:18px;
  line-height:1;
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}

.accordion-title[aria-expanded="true"]::before,
.accordion-title.is-active::before{
  content:"−";
  background:var(--cyan);
  color:#12261f;
  border-color:var(--cyan);
}

.accordion-title:hover{color:var(--cyan);background:transparent;}

.accordion-content{
  padding:0 24px 22px;
  color:var(--muted);
  font-size:15.5px;
}

.accordion-content p:last-child{margin-bottom:0;}

/* 无 JS 兜底：details 结构 */
.faq-native{list-style:none;}
.faq-native details{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  margin-bottom:14px;
  padding:4px 4px;
}
.faq-native summary{
  cursor:pointer;
  padding:18px 22px;
  font-weight:700;
  color:var(--ink);
  list-style:none;
}
.faq-native summary::-webkit-details-marker{display:none;}
.faq-native summary::after{content:" +";color:var(--cyan);}
.faq-native details[open] summary::after{content:" −";}
.faq-native .faq-body{padding:0 22px 18px;color:var(--muted);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(246,242,233,0.72);
  padding:64px 0 26px;
  margin-top:24px;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.1fr;
  gap:34px;
  padding-bottom:38px;
  border-bottom:1px solid rgba(246,242,233,0.12);
}

.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--cream);
  font-weight:700;
  font-size:17px;
  margin-bottom:16px;
}

.site-footer p{font-size:14.5px;line-height:1.85;margin-bottom:14px;}

.site-footer h3{
  color:var(--cream);
  font-size:15.5px;
  margin-bottom:16px;
}

.footer-links{list-style:none;display:grid;gap:10px;}

.footer-links a{
  color:rgba(246,242,233,0.72);
  font-size:14.5px;
}

.footer-links a:hover{color:var(--cyan);}

.footer-note{
  font-size:13px;
  color:rgba(246,242,233,0.5);
  line-height:1.75;
}

.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:22px;
  font-size:13.5px;
  color:rgba(246,242,233,0.55);
}

.footer-bottom a{color:rgba(246,242,233,0.7);}
.footer-bottom a:hover{color:var(--cyan);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .scope-panel{grid-template-columns:1fr;padding:28px;}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
  .reco-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}

@media screen and (max-width:900px){
  .site-header__inner{gap:14px;}
  .channel-nav{order:3;width:100%;margin-left:0;}
  .channel-list{
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    background:var(--ink-2);
    border:1px solid rgba(246,242,233,0.14);
    border-radius:var(--radius);
    padding:12px;
    box-shadow:var(--shadow-lg);
  }
  .channel-list.is-open{display:flex;}
  .channel-list a{display:block;padding:11px 16px;}
  .nav-toggle{display:inline-block;}
  .header-actions{margin-left:auto;order:2;}
  .search-form input[type="search"]{width:110px;}
  .page-hero__inner{padding:44px 0 56px;}
  .scope-panel{margin-top:-32px;}
}

@media screen and (max-width:640px){
  body{font-size:16px;}
  .section{padding:48px 0;}
  .section--tight{padding:40px 0;}
  .header-actions{width:100%;order:4;justify-content:space-between;}
  .search-form{flex:1;}
  .search-form input[type="search"]{width:100%;min-width:0;}
  .hero-stats{grid-template-columns:1fr;gap:12px;}
  .timeline::before{left:16px;}
  .timeline__item{padding-left:46px;margin-bottom:20px;}
  .timeline__marker{width:34px;height:34px;font-size:13px;top:18px;}
  .entry-card{grid-template-columns:1fr;padding:16px;}
  .entry-card__media{min-height:170px;}
  .reco-grid{grid-template-columns:1fr;}
  .metrics{grid-template-columns:1fr;gap:14px;}
  .cta-panel{padding:32px 22px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .hero-actions .btn{width:100%;}
}

/* roulang page: category2 */
:root{
  --ink:#1B1533;
  --ink-2:#241d45;
  --ink-3:#2f2755;
  --teal:#35D0BA;
  --teal-deep:#1F9E8D;
  --sand:#F6F2E9;
  --card:#FFFDF8;
  --text:#2A2633;
  --muted:#6F687A;
  --orange:#F2A65A;
  --line:rgba(27,21,51,.12);
  --line-soft:rgba(27,21,51,.07);
  --radius-s:12px;
  --radius:16px;
  --radius-l:22px;
  --shadow:0 12px 30px rgba(27,21,51,.08);
  --shadow-lg:0 22px 48px rgba(27,21,51,.16);
  --container:1200px;
  --space:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:6px}
.grid-container{max-width:var(--container);padding-left:22px;padding-right:22px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(27,21,51,.97);
  border-bottom:1px solid rgba(246,242,233,.10);
  box-shadow:0 10px 30px rgba(15,11,32,.28);
}
.site-header__inner{
  display:flex;align-items:center;gap:20px;
  min-height:70px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--sand);font-weight:700;font-size:17px;letter-spacing:.01em;
  white-space:nowrap;flex:0 0 auto;
}
.brand:hover{color:#fff}
.brand__mark{
  width:20px;height:20px;flex:0 0 auto;border-radius:50%;
  background:
    radial-gradient(circle at 50% 50%, var(--teal) 0 22%, rgba(53,208,186,.28) 26%, transparent 62%),
    radial-gradient(circle at 78% 24%, var(--orange) 0 9%, transparent 60%);
  box-shadow:0 0 0 1px rgba(53,208,186,.45), 0 0 14px rgba(53,208,186,.35);
}
.channel-nav{flex:1 1 auto;min-width:0}
.channel-list{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.channel-list a{
  display:inline-block;padding:8px 18px;border-radius:999px;
  font-size:15px;color:rgba(246,242,233,.76);
  border:1px solid transparent;
}
.channel-list a:hover{color:#fff;background:rgba(246,242,233,.08);border-color:rgba(246,242,233,.14)}
.channel-list a.is-active{
  color:#fff;
  border-color:rgba(53,208,186,.6);
  background:rgba(53,208,186,.12);
  box-shadow:inset 0 -2px 0 rgba(53,208,186,.85), 0 0 18px rgba(53,208,186,.18);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.search-form{display:flex;align-items:center;gap:8px}
.search-form input[type="search"]{
  width:190px;padding:9px 14px;border-radius:999px;
  background:rgba(246,242,233,.08);
  border:1px solid rgba(246,242,233,.18);
  color:var(--sand);font-size:14px;
}
.search-form input[type="search"]::placeholder{color:rgba(246,242,233,.5)}
.search-form input[type="search"]:focus{
  outline:none;border-color:var(--teal);
  background:rgba(246,242,233,.14);
  box-shadow:0 0 0 3px rgba(53,208,186,.2);
}
.search-form button{
  padding:9px 16px;border-radius:999px;cursor:pointer;
  background:var(--teal);border:1px solid var(--teal);
  color:#0f2b27;font-size:14px;font-weight:600;
}
.search-form button:hover{background:#4adcc7;border-color:#4adcc7}
.search-form button:active{transform:translateY(1px)}
.nav-toggle{
  display:none;cursor:pointer;
  padding:9px 16px;border-radius:999px;
  background:transparent;border:1px solid rgba(246,242,233,.28);
  color:var(--sand);font-size:14px;
}
.nav-toggle:hover{border-color:var(--teal);color:#fff}

/* ============ Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--ink);
  color:var(--sand);
  padding:82px 0 70px;
}
.cat-hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.34;
}
.cat-hero__veil{
  position:absolute;inset:0;
  background:
    radial-gradient(120% 90% at 12% 20%, rgba(53,208,186,.18) 0%, transparent 55%),
    linear-gradient(115deg, rgba(27,21,51,.95) 0%, rgba(27,21,51,.78) 46%, rgba(27,21,51,.62) 100%);
}
.cat-hero__glow{
  position:absolute;width:520px;height:520px;right:-140px;top:-180px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(53,208,186,.22) 0%, rgba(53,208,186,0) 68%);
  pointer-events:none;
}
.orbit-deco{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.orbit-deco span{
  position:absolute;border-radius:50%;
  border:1px solid rgba(53,208,186,.22);
}
.orbit-deco span:nth-child(1){width:620px;height:620px;right:-190px;bottom:-320px}
.orbit-deco span:nth-child(2){width:420px;height:420px;right:-60px;bottom:-200px;border-color:rgba(246,242,233,.12)}
.orbit-deco span:nth-child(3){width:240px;height:240px;left:-90px;top:60px;border-color:rgba(242,166,90,.2)}
.cat-hero__inner{position:relative;z-index:2}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:14px;color:rgba(246,242,233,.78);
  padding:6px 16px;border-radius:999px;
  border:1px solid rgba(53,208,186,.35);
  background:rgba(53,208,186,.08);
  margin-bottom:20px;
}
.hero-eyebrow .dot{
  width:7px;height:7px;border-radius:50%;background:var(--teal);
  box-shadow:0 0 10px rgba(53,208,186,.9);
}
.cat-hero h1{
  font-size:clamp(32px,5vw,56px);
  line-height:1.22;font-weight:700;letter-spacing:-.01em;
  color:#fff;
}
.hero-sub{
  margin-top:20px;max-width:640px;
  font-size:17px;line-height:1.85;color:rgba(246,242,233,.82);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-panel{
  margin-top:34px;
  background:rgba(246,242,233,.06);
  border:1px solid rgba(246,242,233,.14);
  border-radius:var(--radius-l);
  padding:26px 26px 18px;
  backdrop-filter:blur(4px);
}
.hero-panel__title{
  font-size:14px;letter-spacing:.06em;color:rgba(246,242,233,.7);
  padding-bottom:14px;border-bottom:1px solid rgba(246,242,233,.12);
}
.hero-panel__list li{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:13px 0;border-bottom:1px dashed rgba(246,242,233,.12);
  font-size:15px;
}
.hero-panel__list li:last-child{border-bottom:0}
.hero-panel__list span{color:rgba(246,242,233,.72)}
.hero-panel__list b{font-size:18px;color:#fff;font-weight:600}
.hero-panel__list b em{font-style:normal;color:var(--teal);font-size:13px;margin-left:4px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
}
.btn--bright{background:var(--teal);color:#0f2b27;border-color:var(--teal)}
.btn--bright:hover{background:#4adcc7;border-color:#4adcc7;transform:translateY(-1px);box-shadow:0 12px 26px rgba(53,208,186,.28);color:#0f2b27}
.btn--bright:active{transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--sand);border-color:rgba(246,242,233,.42)}
.btn--ghost:hover{border-color:var(--teal);color:#fff;background:rgba(53,208,186,.12)}
.btn--primary{background:var(--ink);color:var(--sand);border-color:var(--ink)}
.btn--primary:hover{background:var(--ink-3);border-color:var(--ink-3);color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px rgba(27,21,51,.24)}
.btn--outline{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--outline:hover{border-color:var(--teal);color:var(--teal-deep);background:rgba(53,208,186,.08)}
.btn--accent{background:var(--orange);color:#44280c;border-color:var(--orange)}
.btn--accent:hover{background:#f5b473;border-color:#f5b473;transform:translateY(-1px)}

/* ============ 通用板块 ============ */
.section{padding:var(--space) 0}
.section--tight{padding:calc(var(--space) - 26px) 0}
.section--dark{background:var(--ink);color:var(--sand)}
.section--dark .sec-label{color:var(--teal);border-color:rgba(53,208,186,.4);background:rgba(53,208,186,.08)}
.section--dark h2{color:#fff}
.section--dark .sec-desc{color:rgba(246,242,233,.76)}
.sec-head{max-width:760px;margin-bottom:42px}
.sec-label{
  display:inline-block;font-size:13px;letter-spacing:.08em;
  color:var(--teal-deep);
  padding:5px 14px;border-radius:999px;
  border:1px solid rgba(53,208,186,.35);
  background:rgba(53,208,186,.08);
  margin-bottom:16px;
}
.sec-head h2{
  font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;color:var(--ink);
}
.sec-desc{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.85}

/* ============ 胶囊筛选 + 数据 ============ */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.chip{
  display:inline-flex;align-items:center;
  padding:9px 20px;border-radius:999px;
  font-size:14px;color:var(--ink);
  background:var(--card);
  border:1px solid var(--line);
}
.chip:hover{border-color:var(--teal);background:rgba(53,208,186,.1);color:var(--teal-deep)}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:var(--sand)}
.chip.is-on:hover{background:var(--ink-3);border-color:var(--ink-3);color:#fff}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px 20px;
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.stat:hover{border-color:rgba(53,208,186,.55);box-shadow:var(--shadow);transform:translateY(-2px)}
.stat__num{font-size:30px;font-weight:700;color:var(--ink);line-height:1.2}
.stat__num em{font-style:normal;font-size:14px;color:var(--teal-deep);margin-left:5px;font-weight:600}
.stat__label{margin-top:6px;font-size:14px;color:var(--muted)}

/* ============ 大图卡 ============ */
.topic-grid{margin-top:6px}
.topic-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-l);overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.topic-card:hover{transform:translateY(-3px);border-color:rgba(53,208,186,.6);box-shadow:var(--shadow-lg)}
.topic-card__media{
  position:relative;aspect-ratio:16/10;overflow:hidden;
  background:linear-gradient(135deg,var(--ink-2),var(--ink));
}
.topic-card__media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .6s ease;
}
.topic-card:hover .topic-card__media img{transform:scale(1.05)}
.topic-card__tag{
  position:absolute;left:14px;top:14px;
  padding:5px 13px;border-radius:999px;
  font-size:13px;color:#fff;
  background:rgba(27,21,51,.72);
  border:1px solid rgba(246,242,233,.22);
  backdrop-filter:blur(3px);
}
.topic-card__body{padding:22px 24px 26px;flex:1 1 auto;display:flex;flex-direction:column}
.topic-card__body h3{font-size:20px;font-weight:700;color:var(--ink);line-height:1.4}
.topic-card__body p{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.8}
.topic-card__meta{
  margin-top:auto;padding-top:18px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
  border-top:1px dashed var(--line);
}
.topic-card__more{color:var(--teal-deep);font-weight:600;font-size:14px}
.topic-card:hover .topic-card__more{color:var(--orange)}

/* ============ 横向条目 ============ */
.row-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.row-item{
  display:flex;gap:16px;align-items:center;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:14px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.row-item:hover{transform:translateY(-2px);border-color:rgba(53,208,186,.6);box-shadow:var(--shadow)}
.row-item__thumb{
  flex:0 0 112px;width:112px;height:84px;border-radius:var(--radius-s);
  overflow:hidden;background:linear-gradient(135deg,var(--ink-2),var(--ink));
}
.row-item__thumb img{width:100%;height:100%;object-fit:cover}
.row-item__text{min-width:0}
.row-item__text h3{
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.row-item__meta{margin-top:8px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--muted)}
.badge{
  display:inline-block;padding:3px 11px;border-radius:999px;
  font-size:12px;color:var(--teal-deep);
  background:rgba(53,208,186,.12);
  border:1px solid rgba(53,208,186,.3);
}
.badge--warm{color:#8a5518;background:rgba(242,166,90,.16);border-color:rgba(242,166,90,.36)}

/* ============ 延伸专题序号列表 ============ */
.index-list{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-l);padding:10px 26px;
}
.index-list li{
  display:flex;align-items:baseline;gap:18px;
  padding:20px 0;border-bottom:1px dashed var(--line);
}
.index-list li:last-child{border-bottom:0}
.index-no{
  flex:0 0 auto;font-size:14px;font-weight:700;color:var(--teal-deep);
  letter-spacing:.06em;min-width:34px;
}
.index-body{min-width:0}
.index-body h3{font-size:17px;font-weight:600;color:var(--ink);line-height:1.6}
.index-body h3 a:hover{color:var(--teal-deep)}
.index-body p{margin-top:6px;font-size:14px;color:var(--muted)}
.index-aside{
  background:var(--ink);color:var(--sand);
  border-radius:var(--radius-l);padding:30px;
  height:100%;
}
.index-aside h3{font-size:19px;font-weight:700;color:#fff}
.index-aside p{margin-top:14px;font-size:15px;color:rgba(246,242,233,.76);line-height:1.85}
.index-aside ul{margin-top:20px}
.index-aside li{
  font-size:14px;color:rgba(246,242,233,.8);
  padding:11px 0 11px 18px;position:relative;
  border-bottom:1px solid rgba(246,242,233,.1);
}
.index-aside li:last-child{border-bottom:0}
.index-aside li::before{
  content:"";position:absolute;left:0;top:19px;
  width:7px;height:7px;border-radius:50%;
  background:var(--orange);
}

/* ============ FAQ ============ */
.accordion{border:0;background:transparent;margin:0}
.accordion-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);margin-bottom:14px;overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.accordion-item:hover{border-color:rgba(53,208,186,.5)}
.accordion-item.is-active{border-color:rgba(53,208,186,.6);box-shadow:var(--shadow)}
.accordion-title{
  position:relative;display:block;
  padding:20px 60px 20px 24px;
  font-size:17px;font-weight:600;color:var(--ink);
  border:0;background:transparent;
}
.accordion-title:hover{background:rgba(53,208,186,.06);color:var(--ink)}
.accordion-title::before{
  content:"+";position:absolute;right:24px;top:50%;
  transform:translateY(-50%);
  font-size:22px;font-weight:600;line-height:1;
  color:var(--teal-deep);
  transition:transform .25s ease,color .25s ease;
}
.accordion-item.is-active > .accordion-title::before{transform:translateY(-50%) rotate(45deg);color:var(--orange)}
.accordion-content{
  padding:0 24px 22px;border:0;background:transparent;
  font-size:15px;color:var(--muted);line-height:1.9;
}

/* ============ CTA ============ */
.cta-card{
  position:relative;overflow:hidden;
  background:
    radial-gradient(90% 120% at 88% 12%, rgba(53,208,186,.22) 0%, transparent 58%),
    linear-gradient(120deg,var(--ink) 0%, var(--ink-3) 100%);
  color:var(--sand);
  border-radius:var(--radius-l);
  padding:52px 46px;
  display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center;
  border:1px solid rgba(53,208,186,.22);
}
.cta-card h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;color:#fff;font-weight:700}
.cta-card p{margin-top:14px;font-size:16px;color:rgba(246,242,233,.78);line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.cta-meta{margin-top:22px;font-size:14px;color:rgba(246,242,233,.6)}

/* ============ 页脚 ============ */
.site-footer{
  background:#150f2b;color:rgba(246,242,233,.78);
  padding:62px 0 26px;margin-top:0;
  border-top:1px solid rgba(53,208,186,.18);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:#fff;margin-bottom:16px;
}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(246,242,233,.68)}
.site-footer h3{
  font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(246,242,233,.72)}
.footer-links a:hover{color:var(--teal)}
.footer-note{
  margin-top:16px;font-size:13px;color:rgba(246,242,233,.52);line-height:1.8;
}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(246,242,233,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(246,242,233,.55);
}
.footer-bottom a{color:rgba(246,242,233,.7)}
.footer-bottom a:hover{color:var(--teal)}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  :root{--space:60px}
  .search-form input[type="search"]{width:150px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-card{grid-template-columns:1fr;padding:42px 30px}
  .cta-actions{justify-content:flex-start}
}
@media screen and (max-width:900px){
  .site-header__inner{min-height:64px;gap:12px}
  .brand{font-size:16px}
  .nav-toggle{display:inline-block}
  .search-form{display:none}
  .channel-nav{
    position:absolute;left:0;right:0;top:100%;
    background:var(--ink);
    border-bottom:1px solid rgba(246,242,233,.12);
    box-shadow:0 22px 40px rgba(12,8,26,.5);
    padding:14px 22px 20px;
    display:none;
  }
  .channel-nav.is-open{display:block}
  .channel-list{flex-direction:column;align-items:stretch;gap:6px}
  .channel-list a{display:block;padding:12px 16px;border-radius:var(--radius-s)}
  .row-list{grid-template-columns:1fr}
}
@media screen and (max-width:640px){
  :root{--space:46px}
  body{font-size:16px}
  .grid-container{padding-left:16px;padding-right:16px}
  .cat-hero{padding:56px 0 48px}
  .hero-sub{font-size:16px}
  .hero-actions{gap:10px}
  .btn{width:100%;padding:13px 20px}
  .hero-actions .btn{width:auto;flex:1 1 46%}
  .stats{grid-template-columns:1fr 1fr;gap:12px}
  .stat{padding:16px 14px}
  .stat__num{font-size:24px}
  .row-item{flex-direction:column;align-items:flex-start}
  .row-item__thumb{width:100%;flex:0 0 auto;height:auto;aspect-ratio:16/9}
  .index-list{padding:6px 18px}
  .index-list li{gap:12px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-card{padding:34px 22px;border-radius:var(--radius)}
  .cta-actions .btn{flex:1 1 100%}
  .footer-bottom{flex-direction:column}
}