/* roulang page: index */
:root{
  --ink:#0D0F0E;
  --ink-2:#1B1F1D;
  --paper:#F6F4EF;
  --paper-2:#FFFFFF;
  --lime:#CBF350;
  --clay:#FF5B2E;
  --stone:#8A8F88;
  --line:rgba(13,15,14,.10);
  --alert:#D93A2B;
  --r-card:18px;
  --r-img:14px;
  --r-pill:999px;
  --r-sm:10px;
  --shadow-hover:0 12px 32px -16px rgba(13,15,14,.28);
  --ease:cubic-bezier(.22,1,.36,1);
  --font-sans:'Noto Sans SC','Source Han Sans SC',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --font-num:'Barlow Condensed','Noto Sans SC',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}
@media(min-width:1440px){.container{max-width:1320px}}

.num{font-family:var(--font-num);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,244,239,.95);border-bottom:1px solid transparent;transition:border-color .2s var(--ease)}
.site-header.is-scrolled{border-bottom-color:var(--line)}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:12px;min-height:44px}
.logo-mark{width:38px;height:38px;flex:0 0 38px;display:block}
.logo-mark svg{width:100%;height:100%;display:block}
.brand-text{font-size:19px;font-weight:900;letter-spacing:-.01em;line-height:1.1;display:flex;align-items:baseline;gap:4px}
.brand-text .dot{color:var(--clay);font-weight:700}
.brand-text .sub{color:var(--ink)}
.brand-note{display:none;font-size:12px;color:var(--stone);letter-spacing:.12em;font-weight:600;margin-left:8px}
@media(min-width:1200px){.brand-note{display:inline}}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{width:44px;height:44px;border-radius:var(--r-pill);display:inline-flex;align-items:center;justify-content:center;color:var(--ink);border:1px solid var(--line);background:var(--paper-2);transition:border-color .18s var(--ease),background .18s var(--ease)}
.icon-btn:hover{border-color:var(--lime);background:var(--paper-2)}
.text-link{display:none;font-size:14px;font-weight:600;padding:8px 4px;border-bottom:2px solid transparent;transition:border-color .18s var(--ease)}
.text-link:hover{border-bottom-color:var(--lime)}
.hamburger{width:44px;height:44px;border-radius:var(--r-pill);display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:var(--paper-2)}
.hamburger i{font-size:17px}
@media(min-width:1024px){
  .text-link{display:inline-flex}
  .hamburger{display:none}
}
@media(max-width:1023px){
  .btn-primary.desk-only{display:none}
}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-pill);font-size:15px;font-weight:700;transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease)}
.btn-primary{background:var(--lime);color:var(--ink);border:1px solid var(--lime)}
.btn-primary:hover{background:var(--ink);color:var(--lime);border-color:var(--ink)}
.btn-outline{background:transparent;color:var(--ink);border:1px solid var(--ink);border-radius:var(--r-pill)}
.btn-outline:hover{background:var(--ink);color:var(--paper)}
.btn-mini{height:40px;padding:0 18px;font-size:14px}
.btn-sm{border-radius:var(--r-sm);height:44px;padding:0 20px}

.chan-row{border-top:1px solid var(--line)}
.chan-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:52px}
.chan-nav{display:flex;align-items:center;gap:6px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none}
.chan-nav::-webkit-scrollbar{display:none}
.chan-link{position:relative;display:inline-flex;align-items:center;height:52px;padding:0 14px;font-size:15px;color:var(--stone);font-weight:500;white-space:nowrap;scroll-snap-align:start;transition:color .18s var(--ease)}
.chan-link::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;background:transparent;transition:background .18s var(--ease)}
.chan-link:hover{color:var(--ink)}
.chan-link.is-active{color:var(--ink);font-weight:700}
.chan-link.is-active::after{background:var(--lime)}
.chan-meta{display:none;align-items:center;gap:10px;font-family:var(--font-num);font-size:13px;letter-spacing:.06em;color:var(--stone)}
@media(min-width:1024px){.chan-meta{display:flex}}
.chan-meta .tick{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block}
.chan-meta .count{background:var(--ink);color:var(--lime);border-radius:var(--r-sm);padding:1px 7px;font-size:12px}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:90;background:var(--paper);display:flex;flex-direction:column;padding:20px 20px 28px;transform:translateY(-100%);transition:transform .34s var(--ease);visibility:hidden}
.drawer.open{transform:translateY(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:56px}
.drawer-nav{margin-top:12px;flex:1;overflow-y:auto}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;height:56px;font-size:18px;font-weight:600;border-bottom:1px solid var(--line)}
.drawer-nav a.is-active{color:var(--ink)}
.drawer-nav a.is-active span:last-child{color:var(--clay)}
.drawer-foot{padding-top:16px}

/* 搜索浮层 */
.search-pop{position:fixed;inset:0;z-index:95;display:none;align-items:flex-start;justify-content:center;background:rgba(13,15,14,.42);padding:96px 20px 20px}
.search-pop.open{display:flex}
.search-box{width:100%;max-width:600px;background:var(--paper-2);border-radius:var(--r-card);padding:20px;border:1px solid var(--line)}
.search-form{display:flex;gap:10px;margin-top:12px}
.search-form input{flex:1;height:48px;border-radius:var(--r-pill);border:1px solid var(--line);padding:0 18px;font-size:15px;background:var(--paper)}
.search-form input:focus{outline:2px solid var(--lime);outline-offset:1px;border-color:transparent}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(13,15,14,.05) 0 1px,transparent 1px 82px),
                   repeating-linear-gradient(0deg,rgba(13,15,14,.05) 0 1px,transparent 1px 82px);
  opacity:.7;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1fr;gap:44px;padding:52px 0 64px;align-items:center}
@media(min-width:1024px){
  .hero-inner{grid-template-columns:6fr 6fr;gap:56px;padding:76px 0 96px}
}
.tagline{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.tagline span{font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--ink);border:1px solid var(--line);border-radius:6px;padding:4px 9px;background:var(--paper-2)}
.hero-title{font-size:clamp(2.5rem,6vw,4.5rem);line-height:1.05;font-weight:900;letter-spacing:-.02em}
.hl{background:var(--lime);padding:2px 8px;border-radius:6px;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.hero-sub{margin-top:22px;font-size:17px;line-height:1.8;color:var(--ink-2);max-width:560px}
.hero-sub-note{margin-top:10px;font-size:15px;color:var(--stone);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.trust{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px}
.trust-item{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}
.trust-item::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime);flex:0 0 7px}

.hero-visual{position:relative;max-width:392px;width:100%;margin:0 auto}
@media(min-width:1024px){.hero-visual{margin:0 0 0 auto}}
.v-card{position:relative;aspect-ratio:9/16;border-radius:22px;overflow:hidden;background:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-hover)}
.v-card img{width:100%;height:100%;object-fit:cover}
.v-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,15,14,.42) 0%,rgba(13,15,14,.05) 42%,rgba(13,15,14,.62) 100%)}
.v-top{position:absolute;top:16px;left:16px;z-index:2;display:flex;align-items:center;gap:8px;color:var(--paper);font-size:12px;font-weight:600;letter-spacing:.12em}
.v-top .idx{font-family:var(--font-num);font-size:20px;color:var(--lime);line-height:1}
.v-bottom{position:absolute;right:16px;bottom:16px;z-index:2;background:rgba(13,15,14,.72);color:var(--paper);border:1px solid rgba(203,243,80,.5);border-radius:var(--r-sm);padding:5px 10px;font-size:12px;font-weight:600;letter-spacing:.1em}
.v-play{position:absolute;inset:0;z-index:2;display:flex;align-items:center;justify-content:center}
.v-play span{width:66px;height:66px;border-radius:50%;background:rgba(203,243,80,.92);display:flex;align-items:center;justify-content:center;color:var(--ink);font-size:20px;transition:transform .2s var(--ease)}
.v-card:hover .v-play span{transform:scale(1.06)}
.v-caption{margin-top:14px;font-size:13px;color:var(--stone);display:flex;align-items:center;gap:8px}
.v-caption::before{content:"";width:18px;height:1px;background:var(--clay)}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:1024px){.section{padding:88px 0}}
.section-dark{background:var(--ink);color:var(--paper)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--clay);margin-bottom:10px}
.section-title{font-size:clamp(1.6rem,3.2vw,2.4rem);line-height:1.15;font-weight:800;letter-spacing:-.01em}
.section-desc{margin-top:10px;font-size:15px;color:var(--stone);max-width:640px}
.section-dark .section-desc{color:rgba(246,244,239,.66)}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;padding-bottom:3px;border-bottom:1px solid var(--line);transition:border-color .18s var(--ease)}
.link-more i{transition:transform .18s var(--ease);font-size:12px}
.link-more:hover{border-bottom-color:var(--lime)}
.link-more:hover i{transform:translateX(4px)}

/* ---------- 片段卡 ---------- */
.clip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media(max-width:1023px){.clip-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
@media(max-width:640px){
  .clip-grid{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px;scrollbar-width:none}
  .clip-grid::-webkit-scrollbar{display:none}
  .clip-grid>.reveal{flex:0 0 76vw;scroll-snap-align:start}
}
.clip-card{display:block;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;height:100%;transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)}
.clip-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--shadow-hover)}
.clip-thumb{position:relative;aspect-ratio:3/4;background:var(--paper);overflow:hidden}
.clip-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.clip-card:hover .clip-thumb img{transform:scale(1.03)}
.clip-no{position:absolute;top:12px;left:12px;font-family:var(--font-num);font-size:26px;color:var(--lime);line-height:1;text-shadow:0 2px 10px rgba(13,15,14,.55)}
.clip-time{position:absolute;right:12px;bottom:12px;background:rgba(13,15,14,.78);color:var(--paper);font-family:var(--font-num);font-size:13px;letter-spacing:.06em;border-radius:var(--r-sm);padding:3px 8px}
.clip-body{padding:18px 20px 20px}
.clip-title{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clip-card:hover .clip-title{text-decoration:underline;text-decoration-color:var(--lime);text-underline-offset:4px}
.clip-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px}
.badge{display:inline-flex;align-items:center;font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--ink);border:1px solid rgba(203,243,80,.9);background:rgba(203,243,80,.16);border-radius:6px;padding:2px 8px;white-space:nowrap}
.views{font-family:var(--font-num);font-size:14px;color:var(--stone);letter-spacing:.04em}

/* ---------- 种草清单 ---------- */
.list-block{max-width:1000px}
.check-list{border-top:1px solid var(--line)}
.list-row{display:flex;align-items:center;gap:20px;padding:22px 12px;border-bottom:1px solid var(--line);transition:background .2s var(--ease)}
.list-row:hover{background:rgba(203,243,80,.10)}
.list-no{font-family:var(--font-num);font-size:34px;font-weight:700;color:var(--ink);-webkit-text-stroke:1px var(--line);line-height:1;flex:0 0 64px}
.list-no.solid{-webkit-text-stroke:0;color:var(--lime);text-shadow:0 0 0 var(--ink)}
@media(min-width:1024px){.list-no{font-size:44px;flex-basis:80px}}
.list-main{flex:1;min-width:0}
.list-title{font-size:17px;font-weight:700;line-height:1.5}
.list-desc{font-size:14px;color:var(--stone);margin-top:4px}
.list-arrow{flex:0 0 auto;color:var(--stone);transition:transform .2s var(--ease),color .2s var(--ease)}
.list-row:hover .list-arrow{transform:translateX(4px);color:var(--ink)}

/* ---------- 路径图 ---------- */
.path-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.path-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.path-grid{grid-template-columns:repeat(4,1fr)}}
.path-item{position:relative;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;transition:border-color .2s var(--ease),transform .2s var(--ease)}
.path-item:hover{border-color:var(--lime);transform:translateY(-4px)}
.path-no{font-family:var(--font-num);font-size:28px;color:var(--clay);line-height:1}
.path-title{font-size:18px;font-weight:700;margin-top:12px}
.path-text{font-size:14px;color:var(--stone);margin-top:8px}
.path-item::after{content:"";position:absolute;right:-12px;top:50%;width:24px;height:1px;background:var(--line);display:none}
@media(min-width:1024px){.path-item::after{display:block}.path-item:last-child::after{display:none}}

/* ---------- HUD 数据面板 ---------- */
.hud{border-radius:24px;background:var(--ink);color:var(--paper);padding:36px 28px;border:1px solid var(--ink-2)}
@media(min-width:1024px){.hud{padding:48px 44px}}
.hud-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;border-bottom:1px solid rgba(246,244,239,.14);padding-bottom:20px}
.hud-title{font-size:clamp(1.4rem,2.6vw,2rem);font-weight:800;line-height:1.2}
.hud-tag{font-size:12px;letter-spacing:.12em;font-weight:600;color:var(--ink);background:var(--lime);border-radius:6px;padding:4px 10px}
.hud-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:28px}
@media(min-width:1024px){.hud-grid{grid-template-columns:repeat(4,1fr);gap:32px}}
.hud-item{border-left:1px solid rgba(246,244,239,.16);padding-left:18px}
.hud-num{font-family:var(--font-num);font-size:clamp(2rem,4vw,2.9rem);line-height:1;color:var(--lime);font-weight:700}
.hud-label{font-size:13px;color:rgba(246,244,239,.66);margin-top:10px}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{display:flex;flex-direction:column;height:100%;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)}
.news-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--shadow-hover)}
.news-title{font-size:17px;font-weight:700;line-height:1.55;margin-top:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .news-title{text-decoration:underline;text-decoration-color:var(--lime);text-underline-offset:4px}
.news-sum{font-size:15px;line-height:1.8;color:var(--stone);margin-top:12px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-family:var(--font-num);font-size:13px;color:var(--stone);letter-spacing:.04em}
.news-more{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-sans);font-size:13px;font-weight:600;color:var(--ink)}
.news-more i{font-size:11px;transition:transform .2s var(--ease)}
.news-card:hover .news-more i{transform:translateX(4px)}
.empty-state{text-align:center;padding:56px 24px;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--paper-2)}
.empty-state i{font-size:32px;color:var(--stone)}
.empty-state p{margin-top:14px;font-size:15px;color:var(--stone)}
.empty-state .btn{margin-top:20px}

/* ---------- 口碑跑马灯 ---------- */
.marquee-wrap{position:relative;overflow:hidden;padding:8px 0;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 80px,#000 calc(100% - 80px),transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 80px,#000 calc(100% - 80px),transparent 100%);
}
.marquee{display:flex;gap:20px;width:max-content;animation:marquee 36s linear infinite}
.marquee:hover{animation-play-state:paused}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.quote-card{width:320px;flex:0 0 320px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);padding:24px}
@media(min-width:1024px){.quote-card{width:352px;flex-basis:352px}}
.stars{display:flex;gap:5px}
.stars i{width:9px;height:9px;border-radius:50%;background:var(--lime);display:block}
.quote-text{margin-top:16px;font-size:15px;line-height:1.85;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--ink);color:var(--lime);display:flex;align-items:center;justify-content:center;font-family:var(--font-num);font-size:16px;flex:0 0 38px}
.quote-name{font-size:14px;font-weight:700}
.quote-role{font-size:12px;color:var(--stone)}

/* ---------- CTA ---------- */
.cta-block{border-radius:24px;background:var(--ink);color:var(--paper);overflow:hidden;display:grid;grid-template-columns:1fr;gap:32px;padding:36px 28px;border:1px solid var(--ink-2)}
@media(min-width:1024px){.cta-block{grid-template-columns:7fr 5fr;align-items:center;padding:56px 52px;gap:48px}}
.cta-title{font-size:clamp(1.7rem,3.4vw,2.6rem);line-height:1.2;font-weight:900;letter-spacing:-.01em}
.cta-text{margin-top:16px;font-size:15px;line-height:1.85;color:rgba(246,244,239,.7);max-width:540px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:28px}
.cta-link{font-size:14px;font-weight:600;color:var(--paper);border-bottom:1px solid rgba(246,244,239,.35);padding-bottom:3px;transition:border-color .18s var(--ease)}
.cta-link:hover{border-bottom-color:var(--lime)}
.cta-media{position:relative;max-width:300px;margin:0 auto;width:100%}
@media(min-width:1024px){.cta-media{margin:0 0 0 auto}}
.cta-media .shot{aspect-ratio:9/16;border-radius:22px;overflow:hidden;background:var(--ink-2);border:1px solid rgba(246,244,239,.16)}
.cta-media .shot img{width:100%;height:100%;object-fit:cover}
.cta-chip{position:absolute;left:-14px;bottom:26px;background:var(--ink);border:1px solid var(--lime);border-radius:var(--r-sm);padding:10px 14px;font-size:12px;letter-spacing:.06em;color:var(--lime);font-weight:600}

/* ---------- FAQ ---------- */
.faq{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;gap:16px;padding:22px 0;text-align:left;font-size:18px;font-weight:600;line-height:1.6;transition:color .18s var(--ease)}
.faq-q:hover{color:var(--ink)}
.faq-q .qno{font-family:var(--font-num);font-size:16px;color:var(--clay);flex:0 0 34px}
.faq-q .qtext{flex:1}
.faq-icon{flex:0 0 auto;font-size:15px;color:var(--stone);transition:transform .28s var(--ease),color .28s var(--ease)}
.faq-item.open .faq-icon{transform:rotate(180deg);color:var(--ink)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a p{padding:0 0 22px 50px;font-size:15px;line-height:1.9;color:var(--stone)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--paper);margin-top:56px;padding-top:0}
@media(min-width:1024px){.site-footer{margin-top:88px}}
.footer-rule{height:1px;background:var(--lime);width:72px;margin:0 0 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding:52px 0 36px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.foot-brand{display:flex;align-items:center;gap:12px}
.foot-brand .logo-mark{width:36px;height:36px;flex:0 0 36px}
.foot-brand-text{font-size:18px;font-weight:900;letter-spacing:-.01em}
.foot-intro{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(246,244,239,.66);max-width:340px}
.foot-title{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--lime);margin-bottom:16px}
.foot-list li{margin-bottom:12px}
.foot-list a{font-size:14px;color:rgba(246,244,239,.76);transition:color .18s var(--ease)}
.foot-list a:hover{color:var(--lime)}
.foot-contact{font-size:14px;line-height:1.9;color:rgba(246,244,239,.76)}
.foot-contact strong{color:var(--paper);font-weight:600}
.footer-bottom{border-top:1px solid rgba(246,244,239,.14);padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13px;color:rgba(246,244,239,.55)}
.footer-bottom .num{letter-spacing:.06em}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .marquee{animation:none}
  *{scroll-behavior:auto !important}
}

/* roulang page: article */
/* ===================== 设计变量 ===================== */
:root{
  --ink:#0D0F0E;
  --ink-2:#1B1F1D;
  --paper:#F6F4EF;
  --paper-2:#FFFFFF;
  --lime:#CBF350;
  --clay:#FF5B2E;
  --stone:#8A8F88;
  --line:rgba(13,15,14,.10);
  --alert:#D93A2B;

  --r-lg:18px;
  --r-md:14px;
  --r-pill:999px;
  --shadow:0 12px 32px -16px rgba(13,15,14,.28);
  --ease:cubic-bezier(.22,1,.36,1);

  --font: 'Noto Sans SC','Source Han Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-num: 'Barlow Condensed','Noto Sans SC',system-ui,sans-serif;
}

/* ===================== reset / base ===================== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{border:0;background:none;cursor:pointer;padding:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
figure{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
::selection{background:var(--lime);color:var(--ink)}

/* ===================== 容器 ===================== */
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1024px){.container{padding:0 32px}}
@media (min-width:1440px){.container{max-width:1320px}}

/* ===================== 头部 / 导航 ===================== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.site-header.is-scrolled{background:rgba(246,244,239,.94);border-bottom-color:var(--line)}

.brand-row{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;min-height:44px}
.logo-mark{display:inline-flex;width:34px;height:34px;flex:0 0 34px}
.logo-mark svg{width:100%;height:100%}
.brand-text{font-size:18px;font-weight:900;letter-spacing:-.01em;white-space:nowrap}
.brand-actions{display:flex;align-items:center;gap:16px}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-pill);
  color:var(--ink-2);border:1px solid var(--line);background:var(--paper-2);
  transition:border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.icon-btn:hover{border-color:var(--lime);color:var(--ink);transform:translateY(-2px)}
.top-link{
  position:relative;font-size:14px;font-weight:600;color:var(--ink-2);
  padding:10px 2px;transition:color .18s var(--ease);
}
.top-link::after{content:"";position:absolute;left:0;right:100%;bottom:4px;height:2px;background:var(--lime);transition:right .22s var(--ease)}
.top-link:hover{color:var(--ink)}
.top-link:hover::after{right:0}

.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--paper-2);color:var(--ink);
}
.nav-toggle:hover{border-color:var(--lime)}

.chan-row{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:52px;border-top:1px solid var(--line);
}
.chan-nav{display:flex;align-items:center;gap:28px;height:100%}
.chan-link{
  position:relative;display:inline-flex;align-items:center;height:100%;
  font-size:15px;font-weight:500;color:var(--stone);white-space:nowrap;
  transition:color .18s var(--ease);
}
.chan-link:hover{color:var(--ink)}
.chan-link.is-active{color:var(--ink);font-weight:700}
.chan-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--lime);
}
.chan-meta{
  display:flex;align-items:center;gap:12px;
  font-family:var(--font-num);font-size:13px;letter-spacing:.1em;
  color:var(--stone);text-transform:uppercase;
}
.chan-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--lime)}

/* 移动端抽屉 */
.mobile-drawer{display:none}
@media (max-width:1023px){
  .brand-row{height:64px}
  .brand-text{font-size:16px}
  .top-link{display:none}
  .nav-toggle{display:inline-flex}
  .site-header.is-scrolled{background:var(--paper)}
  .chan-row{
    height:auto;overflow-x:auto;scroll-snap-type:x proximity;
    padding:0 0 2px;-webkit-overflow-scrolling:touch;scrollbar-width:none;
  }
  .chan-row::-webkit-scrollbar{display:none}
  .chan-nav{gap:22px;height:48px;white-space:nowrap}
  .chan-link{scroll-snap-align:start}
  .chan-meta{display:none}
  .mobile-drawer{
    position:fixed;left:0;right:0;top:64px;bottom:0;z-index:70;
    background:var(--paper);border-top:1px solid var(--line);
    padding:12px 20px 24px;display:none;flex-direction:column;justify-content:space-between;
  }
  .mobile-drawer.is-open{display:flex}
  .drawer-links a{
    display:flex;align-items:center;justify-content:space-between;
    height:56px;font-size:18px;font-weight:600;color:var(--ink);
    border-bottom:1px solid var(--line);
  }
  .drawer-links a .fa-arrow-right{font-size:13px;color:var(--stone)}
  .drawer-foot{padding-top:20px}
}
@media (min-width:1024px){
  .mobile-drawer{display:none !important}
}

/* ===================== 按钮 / 标签 ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.btn-sm{height:44px;padding:0 20px;font-size:14px}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:var(--ink);color:var(--lime)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-dark{background:var(--ink);color:var(--paper)}
.btn-dark:hover{background:var(--lime);color:var(--ink)}

.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--ink);
  border-bottom:1px solid transparent;transition:border-color .18s var(--ease);
}
.text-link .arrow{transition:transform .2s var(--ease);font-family:var(--font-num)}
.text-link:hover{border-bottom-color:var(--lime)}
.text-link:hover .arrow{transform:translateX(4px)}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:.12em;
  padding:4px 10px;border-radius:6px;
  border:1px solid rgba(203,243,80,.9);color:var(--ink-2);background:rgba(203,243,80,.16);
}
.badge-solid{background:var(--paper-2);border:1px solid var(--line);letter-spacing:.06em;color:var(--stone)}

/* ===================== 面包屑 ===================== */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:nowrap;
  padding:20px 0 12px;font-size:12px;color:var(--stone);
  overflow:hidden;
}
.breadcrumb a{color:var(--stone);transition:color .18s var(--ease)}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb .sep{color:rgba(13,15,14,.25)}
.breadcrumb .current{
  color:var(--ink-2);font-weight:600;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:56vw;
}

/* ===================== 文章头 ===================== */
.article-shell{max-width:880px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.article-shell{padding:0 24px}}

.article-head{padding:8px 0 28px}
.article-title{
  font-size:clamp(1.9rem,4vw,3rem);
  line-height:1.22;font-weight:900;letter-spacing:-.02em;
  color:var(--ink);margin:14px 0 0;
  word-break:break-word;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  margin-top:18px;font-size:13px;color:var(--stone);
}
.article-meta .meta-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:6px;
  background:rgba(203,243,80,.4);color:var(--ink-2);font-weight:700;font-size:12px;letter-spacing:.06em;
}
.article-meta .num{font-family:var(--font-num);font-size:14px;letter-spacing:.06em;color:var(--ink-2)}
.article-meta .sep-dot{width:4px;height:4px;border-radius:50%;background:rgba(13,15,14,.22)}

/* ===================== 封面 ===================== */
.article-cover{
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--paper-2);
  aspect-ratio:16/9;margin-bottom:36px;
}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* ===================== 正文 ===================== */
.article-body{
  max-width:760px;margin:0 auto;
  font-size:17px;line-height:1.9;color:var(--ink-2);
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  position:relative;margin:2.4em 0 .9em;padding-left:18px;
  font-size:clamp(1.4rem,2.6vw,1.85rem);line-height:1.3;font-weight:800;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;width:4px;height:18px;border-radius:2px;background:var(--lime);
}
.article-body h3{margin:1.8em 0 .7em;font-size:20px;font-weight:700;color:var(--ink);line-height:1.45}
.article-body h4{margin:1.5em 0 .6em;font-size:17px;font-weight:700;color:var(--ink)}
.article-body ul{margin:0 0 1.4em;padding:0}
.article-body ul li{position:relative;padding-left:22px;margin:.5em 0}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--lime);
}
.article-body ol{margin:0 0 1.4em;padding-left:1.4em;list-style:decimal}
.article-body ol li{margin:.5em 0}
.article-body ol li::marker{color:var(--clay);font-weight:700;font-family:var(--font-num)}
.article-body blockquote{
  margin:1.6em 0;padding:20px 22px;background:var(--paper-2);
  border-left:3px solid var(--lime);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--stone);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:1.6em auto}
.article-body figure{margin:1.8em 0}
.article-body figcaption,.article-body .caption{
  margin-top:10px;text-align:center;font-size:13px;color:var(--stone);line-height:1.7;
}
.article-body a{color:var(--ink);border-bottom:1px solid var(--lime);transition:background .18s var(--ease)}
.article-body a:hover{background:rgba(203,243,80,.35)}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.8em 0;font-size:15px;line-height:1.7;
}
.article-body th,.article-body td{padding:12px 10px;text-align:left;border-bottom:1px solid var(--line)}
.article-body thead th{font-weight:700;color:var(--ink);border-bottom:1px solid var(--ink)}
.article-body tbody tr:hover{background:rgba(203,243,80,.10)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.4em 0}

.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;background:var(--paper-2);
  border:1px solid var(--line);border-radius:var(--r-lg);text-align:center;
}
.empty-state i{font-size:32px;color:var(--stone)}
.empty-state p{font-size:15px;color:var(--stone);margin:0}

/* ===================== 文末信息 ===================== */
.article-tags{
  display:flex;flex-wrap:wrap;gap:8px;max-width:760px;margin:36px auto 0;
  padding-top:24px;border-top:1px solid var(--line);
}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:6px;
  font-size:12px;font-weight:600;color:var(--ink-2);
  background:var(--paper-2);border:1px solid var(--line);
  transition:border-color .18s var(--ease),transform .18s var(--ease);
}
.tag:hover{border-color:var(--lime);transform:translateY(-2px)}

.article-source{
  max-width:760px;margin:20px auto 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:16px 20px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-md);
  font-size:13px;color:var(--stone);
}
.article-source .src-name{font-weight:700;color:var(--ink-2)}
.article-source .num{font-family:var(--font-num);font-size:14px;letter-spacing:.08em}

/* ===================== 板块通用 ===================== */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:72px 0}}
@media (min-width:1024px){.section{padding:96px 0}}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:28px;flex-wrap:wrap;
}
.section-title{font-size:clamp(1.4rem,2.8vw,2rem);line-height:1.2;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.section-sub{margin-top:8px;font-size:14px;color:var(--stone)}

/* ===================== 相关推荐卡 ===================== */
.card-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:600px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}

.card{
  display:flex;flex-direction:column;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--shadow)}
.card-thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--paper);border-bottom:1px solid var(--line)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .card-thumb img{transform:scale(1.04)}
.card-num{
  position:absolute;left:14px;top:12px;
  font-family:var(--font-num);font-size:26px;font-weight:700;line-height:1;
  color:var(--paper);text-shadow:0 2px 10px rgba(13,15,14,.55);
}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:17px;font-weight:700;line-height:1.5;color:var(--ink);transition:color .18s var(--ease)}
.card-desc{font-size:14px;line-height:1.8;color:var(--stone);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;color:var(--stone)}
.card-foot .num{font-family:var(--font-num);font-size:13px;letter-spacing:.08em}

/* ===================== CTA ===================== */
.cta-block{padding:8px 0 72px}
.cta-inner{
  position:relative;overflow:hidden;
  display:grid;gap:28px;grid-template-columns:1fr;
  background:var(--ink);border-radius:24px;padding:36px 26px;
}
@media (min-width:900px){
  .cta-inner{grid-template-columns:1.25fr .75fr;align-items:center;padding:52px 48px;gap:40px}
}
.cta-eyebrow{
  font-family:var(--font-num);font-size:12px;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;color:var(--lime);
}
.cta-title{
  margin-top:14px;font-size:clamp(1.6rem,3.4vw,2.4rem);line-height:1.18;font-weight:900;
  letter-spacing:-.02em;color:var(--paper);
}
.cta-text{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(246,244,239,.66);max-width:52ch}
.cta-actions{margin-top:26px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.cta-actions .text-link{color:var(--paper);border-bottom-color:rgba(203,243,80,.5)}
.cta-actions .text-link:hover{border-bottom-color:var(--lime)}
.cta-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(246,244,239,.16);aspect-ratio:9/12;
  background:var(--ink-2);
}
.cta-visual img{width:100%;height:100%;object-fit:cover;opacity:.9}
.cta-mini{
  position:absolute;left:14px;bottom:14px;right:14px;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;border-radius:var(--r-md);
  background:rgba(13,15,14,.82);border:1px solid rgba(203,243,80,.6);
}
.cta-mini span{font-size:12px;color:var(--paper);font-weight:600}
.cta-mini .num{font-family:var(--font-num);font-size:18px;color:var(--lime);letter-spacing:.06em}

/* ===================== FAQ ===================== */
.faq-wrap{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;
  padding:22px 0;text-align:left;
}
.faq-idx{
  font-family:var(--font-num);font-size:18px;font-weight:700;color:var(--clay);
  min-width:28px;
}
.faq-q-text{flex:1;font-size:17px;font-weight:600;color:var(--ink);line-height:1.6}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--ink);font-size:12px;
  transition:transform .28s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--lime);border-color:var(--lime)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .34s var(--ease);
}
.faq-item.open .faq-a{max-height:420px}
.faq-a p{padding:0 0 24px 44px;font-size:15px;line-height:1.9;color:var(--stone);margin:0}

/* ===================== 页脚 ===================== */
.site-footer{background:var(--ink);color:var(--paper);margin-top:8px}
.site-footer .container{padding-top:56px;padding-bottom:28px}
.footer-rule{height:1px;width:96px;background:var(--lime);margin-bottom:40px}
.footer-grid{display:grid;gap:36px;grid-template-columns:1fr}
@media (min-width:600px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.foot-brand{display:flex;align-items:center;gap:10px}
.foot-brand-text{font-size:17px;font-weight:800;color:var(--paper)}
.foot-intro{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(246,244,239,.62);max-width:40ch}
.foot-title{
  font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--lime);margin-bottom:18px;
}
.foot-list li{margin-bottom:10px}
.foot-list a{
  font-size:14px;color:rgba(246,244,239,.72);
  transition:color .18s var(--ease),padding-left .18s var(--ease);
}
.foot-list a:hover{color:var(--lime);padding-left:5px}
.foot-contact{font-size:14px;line-height:2;color:rgba(246,244,239,.66)}
.foot-contact strong{color:var(--paper);font-weight:700}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(246,244,239,.14);
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-size:12px;line-height:1.8;color:rgba(246,244,239,.5);
}
.footer-bottom .num{font-family:var(--font-num);letter-spacing:.12em;color:rgba(246,244,239,.62)}

/* ===================== 动效 ===================== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.06s}
.reveal.d2{transition-delay:.12s}
.reveal.d3{transition-delay:.18s}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --ink:#0D0F0E;
  --ink-2:#1B1F1D;
  --paper:#F6F4EF;
  --paper-2:#FFFFFF;
  --lime:#CBF350;
  --clay:#FF5B2E;
  --stone:#8A8F88;
  --line:rgba(13,15,14,.10);
  --alert:#D93A2B;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --shadow-hover:0 12px 32px -16px rgba(13,15,14,.28);
  --sans:'Noto Sans SC','Source Han Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  --cond:'Barlow Condensed','Noto Sans SC',system-ui,sans-serif;
  --sec:clamp(56px,6vw,104px);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input{font:inherit;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}
@media (min-width:1440px){.container{max-width:1320px;}}

.num{
  font-family:var(--cond);
  font-weight:700;
  letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
}

a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:2px;
  border-radius:6px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--ink);color:var(--lime);}
.btn-ghost{border:1px solid var(--ink);background:transparent;color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  border-bottom:1px solid var(--line);
  padding-bottom:2px;
  transition:border-color .18s ease,color .18s ease;
}
.text-link svg{transition:transform .18s ease;}
.text-link:hover{border-color:var(--lime);}
.text-link:hover svg{transform:translateX(4px);}

/* ============ 头部 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(246,244,239,.92);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,background-color .2s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  background:rgba(246,244,239,.96);
}
.brand-row{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{display:flex;align-items:center;gap:12px;}
.logo-mark{width:34px;height:34px;flex:none;display:block;}
.logo-mark svg{width:100%;height:100%;display:block;}
.brand-text{
  font-size:19px;
  font-weight:900;
  letter-spacing:-.01em;
}
.brand-actions{display:flex;align-items:center;gap:14px;}
.icon-btn{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--ink);
  transition:border-color .18s ease,background-color .18s ease;
}
.icon-btn:hover{border-color:var(--ink);background:var(--paper-2);}
.brand-actions .text-link{display:none;}
@media (min-width:1024px){.brand-actions .text-link{display:inline-flex;}}

.hamburger{
  width:44px;height:44px;
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;
  gap:6px;
}
.hamburger span{
  display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.hamburger.is-open span:nth-child(1){transform:translateY(8px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-8px) rotate(-45deg);}
@media (min-width:1024px){.hamburger{display:none;}}

.chan-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  border-top:1px solid var(--line);
  min-height:52px;
}
.chan-nav{
  display:flex;
  align-items:center;
  gap:26px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding:0 0 0 0;
  scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;
}
.chan-nav::-webkit-scrollbar{display:none;}
.chan-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:52px;
  font-size:15px;
  color:var(--stone);
  white-space:nowrap;
  scroll-snap-align:start;
  transition:color .18s ease;
}
.chan-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}
.chan-link:hover{color:var(--ink);}
.chan-link:hover::after{transform:scaleX(1);}
.chan-link.is-active{color:var(--ink);font-weight:600;}
.chan-link.is-active::after{transform:scaleX(1);}
.chan-meta{
  display:none;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--stone);
}
.dot{width:4px;height:4px;border-radius:50%;background:var(--clay);display:inline-block;}
@media (min-width:1024px){.chan-meta{display:flex;}}

/* 移动抽屉 */
.m-drawer{
  position:fixed;
  inset:0;
  background:var(--paper);
  z-index:80;
  display:flex;
  flex-direction:column;
  padding:20px;
  transform:translateY(-8px);
  opacity:0;
  pointer-events:none;
  transition:opacity .22s ease,transform .22s ease;
}
.m-drawer.is-open{opacity:1;transform:none;pointer-events:auto;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:56px;}
.drawer-nav{display:flex;flex-direction:column;margin-top:12px;flex:1;}
.drawer-nav a{
  font-size:18px;
  font-weight:600;
  line-height:56px;
  border-bottom:1px solid var(--line);
  color:var(--ink);
}
.drawer-nav a.is-active{color:var(--ink);}
.drawer-nav a.is-active::before{
  content:"";
  display:inline-block;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--lime);
  margin-right:10px;
  vertical-align:middle;
}
.drawer-foot{padding-top:20px;}
.drawer-foot .btn{width:100%;}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  padding:20px 0 12px;
  font-size:12px;
  color:var(--stone);
}
.crumbs a:hover{color:var(--ink);}
.crumb-sep{opacity:.6;}

/* ============ 迷你 Hero ============ */
.mini-hero{
  position:relative;
  overflow:hidden;
  border-radius:24px;
  background:var(--paper-2);
  border:1px solid var(--line);
  padding:clamp(32px,5vw,64px) clamp(24px,4vw,56px);
}
.mini-hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center right;
  opacity:.16;
  pointer-events:none;
}
.mini-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:56px 56px;
  opacity:.5;
  pointer-events:none;
}
.mini-hero-inner{position:relative;z-index:2;}
.kicker{
  display:inline-block;
  font-family:var(--cond);
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--stone);
  border:1px solid var(--line);
  border-radius:6px;
  padding:4px 10px;
  background:var(--paper);
}
h1{
  margin-top:18px;
  font-size:clamp(2.5rem,5.4vw,4.2rem);
  line-height:1.05;
  letter-spacing:-.02em;
  font-weight:900;
}
.hl{
  background:var(--lime);
  padding:2px 10px;
  border-radius:8px;
  box-decoration-break:clone;
  -webkit-box-decoration-break:clone;
}
.lead{
  margin-top:20px;
  max-width:740px;
  font-size:17px;
  line-height:1.85;
  color:var(--ink-2);
}
.hero-points{
  margin-top:24px;
  display:flex;
  flex-wrap:wrap;
  gap:12px 26px;
}
.hero-points li{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-2);
}
.hero-points li::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--lime);
  flex:none;
}
.chip-row{
  margin-top:28px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.chip{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 14px;
  font-size:13px;
  font-weight:600;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--paper-2);
  color:var(--ink-2);
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.chip:hover{border-color:var(--ink);}
.chip.is-current{border-color:var(--ink);background:var(--ink);color:var(--lime);}

/* ============ 板块 ============ */
.sec{padding-top:var(--sec);}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:32px;
}
.sec-head h2{
  margin-top:14px;
  font-size:clamp(1.6rem,3.2vw,2.4rem);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.01em;
}
.sec-note{
  max-width:380px;
  font-size:15px;
  line-height:1.8;
  color:var(--stone);
}

/* ============ 卡片网格 ============ */
.grid-3{
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
}
@media (min-width:768px){.grid-3{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr);}}

.card{
  display:flex;
  flex-direction:column;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--lime);
  box-shadow:var(--shadow-hover);
}
.card-media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--paper-2);
}
.card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform .4s cubic-bezier(.22,1,.36,1);
}
.card:hover .card-media img{transform:scale(1.03);}
.card-num{
  position:absolute;
  top:14px;left:14px;
  font-size:13px;
  font-weight:700;
  padding:3px 10px;
  border-radius:6px;
  background:var(--ink);
  color:var(--lime);
  letter-spacing:.06em;
}
.card-tag{
  position:absolute;
  right:14px;bottom:14px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  padding:3px 10px;
  border-radius:6px;
  background:rgba(255,255,255,.94);
  color:var(--ink);
  border:1px solid var(--line);
}
.card-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1;}
.card-body h3{
  font-size:19px;
  font-weight:700;
  line-height:1.4;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-body p{
  margin-top:10px;
  font-size:15px;
  line-height:1.8;
  color:var(--stone);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-more{
  margin-top:auto;
  padding-top:18px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:600;
  color:var(--ink);
}
.card-more svg{transition:transform .18s ease;}
.card:hover .card-more svg{transform:translateX(4px);}

/* ============ 数据面板 ============ */
.stats-panel{
  margin-top:var(--sec);
  background:var(--ink);
  border-radius:24px;
  padding:clamp(32px,4.5vw,56px) clamp(24px,4vw,56px);
  color:var(--paper);
}
.stats-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  padding-bottom:28px;
  border-bottom:1px solid rgba(246,244,239,.14);
}
.stats-head h2{
  margin-top:14px;
  font-size:clamp(1.5rem,3vw,2.1rem);
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.01em;
}
.stats-head .kicker{color:var(--stone);background:transparent;border-color:rgba(246,244,239,.18);}
.stats-head p{max-width:420px;font-size:15px;line-height:1.8;color:rgba(246,244,239,.7);}
.stats-grid{
  margin-top:32px;
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
@media (min-width:1024px){.stats-grid{grid-template-columns:repeat(4,1fr);}}
.stat-value{
  font-family:var(--cond);
  font-weight:700;
  font-size:clamp(2.2rem,4vw,3rem);
  line-height:1;
  color:var(--lime);
  letter-spacing:.01em;
}
.stat-label{
  margin-top:12px;
  font-size:15px;
  font-weight:600;
  color:var(--paper);
}
.stat-sub{
  margin-top:6px;
  font-size:13px;
  line-height:1.7;
  color:rgba(246,244,239,.6);
}

/* ============ 适用场景 ============ */
.scene-list{
  border-top:1px solid var(--line);
}
.scene-item{
  display:flex;
  align-items:flex-start;
  gap:20px;
  padding:24px 4px;
  border-bottom:1px solid var(--line);
  transition:background-color .2s ease,padding-left .2s ease;
}
.scene-item:hover{background:var(--paper-2);padding-left:14px;}
.scene-idx{
  font-family:var(--cond);
  font-size:26px;
  font-weight:700;
  line-height:1;
  color:var(--ink);
  -webkit-text-stroke:1px var(--ink);
  color:transparent;
  min-width:52px;
  padding-top:4px;
}
.scene-item:hover .scene-idx{color:var(--lime);-webkit-text-stroke:1px var(--ink);}
.scene-text h3{font-size:17px;font-weight:700;}
.scene-text p{margin-top:6px;font-size:15px;line-height:1.8;color:var(--stone);max-width:720px;}

/* ============ 流程 ============ */
.flow{
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
  counter-reset:flow;
}
@media (min-width:768px){.flow{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.flow{grid-template-columns:repeat(4,1fr);}}
.flow-step{
  position:relative;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px 28px;
  transition:border-color .22s ease,transform .22s ease;
}
.flow-step:hover{border-color:var(--lime);transform:translateY(-4px);}
.flow-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  border-radius:10px;
  background:var(--lime);
  color:var(--ink);
  font-family:var(--cond);
  font-size:18px;
  font-weight:700;
  letter-spacing:.04em;
}
.flow-title{margin-top:18px;font-size:17px;font-weight:700;}
.flow-text{margin-top:8px;font-size:15px;line-height:1.8;color:var(--stone);}

/* ============ FAQ ============ */
.faq{
  max-width:820px;
  margin:0 auto;
  border-top:1px solid var(--line);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;
  align-items:center;
  gap:16px;
  padding:22px 4px;
  cursor:pointer;
  list-style:none;
  font-size:18px;
  font-weight:600;
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--ink);}
.faq-q-idx{
  font-family:var(--cond);
  font-size:15px;
  font-weight:700;
  color:var(--stone);
  min-width:28px;
}
.faq-icon{
  margin-left:auto;
  width:22px;height:22px;
  flex:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--stone);
  transition:transform .22s ease,color .22s ease;
}
.faq-item[open] .faq-icon{transform:rotate(180deg);color:var(--ink);}
.faq-a{
  padding:0 4px 24px 44px;
  font-size:15px;
  line-height:1.9;
  color:var(--stone);
  max-width:720px;
}

/* ============ CTA ============ */
.cta-block{
  margin-top:var(--sec);
  background:var(--ink);
  border-radius:24px;
  padding:clamp(32px,4.5vw,60px);
  color:var(--paper);
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  align-items:center;
}
@media (min-width:1024px){.cta-block{grid-template-columns:1.25fr .75fr;gap:56px;}}
.cta-block h2{
  font-size:clamp(1.8rem,3.6vw,2.6rem);
  line-height:1.15;
  font-weight:900;
  letter-spacing:-.02em;
}
.cta-block p{
  margin-top:16px;
  max-width:520px;
  font-size:15px;
  line-height:1.85;
  color:rgba(246,244,239,.72);
}
.cta-actions{
  margin-top:28px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:20px;
}
.cta-actions .text-link{color:var(--paper);border-color:rgba(246,244,239,.28);}
.cta-actions .text-link:hover{border-color:var(--lime);color:var(--lime);}
.cta-media{position:relative;}
.cta-media img{
  width:100%;
  aspect-ratio:9/12;
  object-fit:cover;
  border-radius:20px;
}
.cta-card{
  position:absolute;
  left:-10px;
  bottom:24px;
  background:var(--paper);
  color:var(--ink);
  border-radius:var(--r-md);
  padding:14px 18px;
  border:2px solid var(--lime);
  max-width:230px;
}
.cta-card strong{display:block;font-size:14px;font-weight:700;}
.cta-card span{display:block;margin-top:4px;font-size:12px;color:var(--stone);line-height:1.6;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--sec);
  background:var(--ink);
  color:var(--paper);
  padding:0 0 32px;
}
.footer-rule{
  height:2px;
  width:72px;
  background:var(--lime);
  margin:0 0 52px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:40px;
}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;}}
.foot-brand{display:flex;align-items:center;gap:12px;}
.foot-brand-text{font-size:17px;font-weight:900;letter-spacing:-.01em;}
.foot-intro{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:rgba(246,244,239,.62);
  max-width:340px;
}
.foot-title{
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--lime);
  text-transform:uppercase;
  margin-bottom:18px;
}
.foot-list li{margin-bottom:12px;}
.foot-list a{
  font-size:14px;
  color:rgba(246,244,239,.78);
  transition:color .18s ease;
}
.foot-list a:hover{color:var(--lime);}
.foot-contact{
  font-size:14px;
  line-height:1.9;
  color:rgba(246,244,239,.62);
}
.foot-contact strong{color:var(--paper);font-weight:600;}
.footer-bottom{
  margin-top:52px;
  padding-top:24px;
  border-top:1px solid rgba(246,244,239,.14);
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  align-items:center;
  justify-content:space-between;
  font-size:12.5px;
  color:rgba(246,244,239,.55);
}

/* ============ 动效 ============ */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .42s cubic-bezier(.22,1,.36,1),transform .42s cubic-bezier(.22,1,.36,1);
  transition-delay:var(--d,0ms);
}
.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;}
  .card:hover,.flow-step:hover,.scene-item:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --ink:#0D0F0E;
  --ink-2:#1B1F1D;
  --paper:#F6F4EF;
  --paper-2:#FFFFFF;
  --lime:#CBF350;
  --clay:#FF5B2E;
  --stone:#8A8F88;
  --line:rgba(13,15,14,.10);
  --alert:#D93A2B;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --r-pill:999px;
  --shadow:0 12px 32px -16px rgba(13,15,14,.28);
  --c-max:1240px;
  --sans:'Noto Sans SC','Source Han Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --cond:'Barlow Condensed','Noto Sans SC',system-ui,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.002em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
mark{background:var(--lime);color:var(--ink);padding:2px 8px;border-radius:6px;}
:focus{outline:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.num{font-family:var(--cond);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.04em;}

.container{
  width:100%;
  max-width:var(--c-max);
  margin:0 auto;
  padding:0 32px;
}
@media (min-width:1440px){ .container{max-width:1320px;} }
@media (max-width:1023px){ .container{padding:0 24px;} }
@media (max-width:767px){ .container{padding:0 20px;} }

/* ============ 头部 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(246,244,239,.94);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-stuck{
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 24px -22px rgba(13,15,14,.6);
}
.brand-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;min-height:44px;}
.logo-mark{width:32px;height:32px;flex:none;display:block;}
.logo-mark svg{width:100%;height:100%;display:block;}
.brand-text{
  font-size:18px;
  font-weight:900;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand-actions{display:flex;align-items:center;gap:8px;}
.icon-btn{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);
  color:var(--ink);
  transition:background .18s ease,color .18s ease;
}
.icon-btn:hover{background:rgba(13,15,14,.06);}
.icon-btn svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.text-link{
  display:inline-flex;align-items:center;
  min-height:44px;padding:0 10px;
  font-size:14px;color:var(--stone);
  transition:color .18s ease;
}
.text-link:hover{color:var(--ink);}
.menu-btn{display:none;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:700;
  white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn-primary{background:var(--lime);color:var(--ink);border:1px solid var(--lime);}
.btn-primary:hover{background:var(--ink);color:var(--lime);border-color:var(--ink);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-soft{background:var(--paper-2);border:1px solid var(--line);color:var(--ink);}
.btn-soft:hover{border-color:var(--lime);}

.arrow-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--ink);
  min-height:44px;
  border-bottom:1px solid transparent;
  transition:border-color .18s ease;
}
.arrow-link svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease;}
.arrow-link:hover{border-color:var(--lime);}
.arrow-link:hover svg{transform:translateX(4px);}

/* 频道行 */
.chan-bar{border-top:1px solid var(--line);}
.chan-inner{
  height:52px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.chan-nav{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;}
.chan-nav::-webkit-scrollbar{display:none;}
.chan-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:52px;padding:0 14px;
  font-size:15px;color:var(--stone);
  white-space:nowrap;
  transition:color .18s ease;
}
.chan-link::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:transparent;
  transition:background .18s ease;
}
.chan-link:hover{color:var(--ink);}
.chan-link.is-active{color:var(--ink);font-weight:700;}
.chan-link.is-active::after{background:var(--lime);}
.chan-meta{
  display:flex;align-items:center;gap:14px;
  font-size:13px;color:var(--stone);white-space:nowrap;
}
.chan-meta .num{color:var(--ink);}
.badge-count{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:6px;
  border:1px solid rgba(203,243,80,.9);
  background:rgba(203,243,80,.16);
  font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--ink);
}

/* 移动抽屉 */
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:var(--paper);
  padding:16px 0 24px;
}
.mobile-drawer.is-open{display:block;}
.drawer-link{
  display:flex;align-items:center;
  min-height:56px;padding:0 20px;
  font-size:18px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-link.is-active{color:var(--ink);box-shadow:inset 3px 0 0 var(--lime);}
.drawer-cta{padding:20px;}

/* ============ 面包屑 ============ */
.crumb-bar{padding-top:20px;}
.crumb{
  display:flex;align-items:center;gap:8px;
  font-size:12px;color:var(--stone);
  overflow:hidden;
}
.crumb a{transition:color .18s ease;}
.crumb a:hover{color:var(--ink);}
.crumb .sep{opacity:.6;}
.crumb .current{
  color:var(--ink);
  max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ============ 迷你 Hero ============ */
.mini-hero{padding:26px 0 0;}
.mini-hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:48px;align-items:end;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--stone);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);}
h1{
  margin-top:18px;
  font-size:clamp(2.2rem,4.6vw,3.6rem);
  line-height:1.12;
  font-weight:900;
  letter-spacing:-.02em;
}
.hero-lead{
  margin-top:22px;
  max-width:720px;
  color:#33372F;
  font-size:17px;
  line-height:1.85;
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;
  min-height:38px;padding:0 16px;
  border-radius:6px;
  border:1px solid var(--line);
  background:var(--paper-2);
  font-size:13px;color:var(--ink);
  transition:border-color .18s ease,transform .18s ease;
}
.chip:hover{border-color:var(--lime);transform:translateY(-2px);}
.hero-aside{
  border-left:1px solid var(--line);
  padding-left:28px;
}
.hero-aside dl{margin:0;}
.hero-aside dt{font-size:12px;letter-spacing:.1em;color:var(--stone);}
.hero-aside dd{
  margin:6px 0 18px;
  font-family:var(--cond);
  font-size:26px;font-weight:700;line-height:1.1;
}
.hero-aside dd span{font-family:var(--sans);font-size:13px;font-weight:500;color:var(--stone);margin-left:6px;}
.dot-live{
  display:inline-block;width:7px;height:7px;border-radius:50%;
  background:var(--lime);margin-right:8px;vertical-align:middle;
}

/* ============ 板块通用 ============ */
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:44px;
}
.section-head h2{
  font-size:clamp(1.6rem,3.2vw,2.4rem);
  line-height:1.15;font-weight:800;letter-spacing:-.01em;
}
.section-head p{margin-top:12px;max-width:640px;color:var(--stone);font-size:15px;line-height:1.8;}
.rule{border:0;height:1px;background:var(--line);margin:0;}

/* ============ 时间轴 ============ */
.timeline{
  position:relative;
  max-width:1060px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:140px;top:14px;bottom:34px;width:1px;
  background:var(--line);
}
.tl-item{
  display:grid;
  grid-template-columns:140px 1fr;
  padding-bottom:44px;
  position:relative;
}
.tl-item:last-child{padding-bottom:0;}
.tl-time{
  padding-top:6px;
  text-align:right;
  padding-right:26px;
}
.tl-num{
  display:block;
  font-family:var(--cond);
  font-size:34px;font-weight:700;line-height:1;
  color:var(--ink);
}
.tl-unit{
  display:block;margin-top:6px;
  font-size:12px;letter-spacing:.1em;color:var(--stone);
}
.tl-body{
  position:relative;
  padding-left:40px;
  padding-bottom:8px;
}
.tl-body::before{
  content:"";
  position:absolute;
  left:-7px;top:14px;
  width:13px;height:13px;border-radius:50%;
  background:var(--lime);
  border:3px solid var(--paper);
  box-shadow:0 0 0 1px var(--line);
  transition:box-shadow .2s ease,background .2s ease;
}
.tl-item:hover .tl-body::before{box-shadow:0 0 0 1px var(--clay);}
.tl-body h3{
  font-size:clamp(1.15rem,1.8vw,1.4rem);
  font-weight:800;line-height:1.3;
}
.tl-body p{
  margin-top:12px;
  max-width:720px;
  color:#3A3F38;
  font-size:16px;
  line-height:1.85;
}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:6px;
  border:1px solid var(--line);
  background:var(--paper-2);
  font-size:12px;color:var(--stone);
}
.tag-lime{border-color:rgba(203,243,80,.9);background:rgba(203,243,80,.14);color:var(--ink);}
.tl-figure{
  margin-top:22px;
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--paper-2);
  max-width:560px;
}
.tl-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.tl-figure figcaption{
  padding:12px 16px;
  font-size:13px;color:var(--stone);
  border-top:1px solid var(--line);
}

/* ============ 深色指标面板 ============ */
.hud{
  background:var(--ink);
  color:var(--paper);
  border-radius:24px;
  padding:56px 48px;
}
.hud-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  padding-bottom:32px;
  border-bottom:1px solid rgba(246,244,239,.14);
}
.hud-head h2{font-size:clamp(1.4rem,2.6vw,2rem);font-weight:800;line-height:1.2;}
.hud-head p{margin-top:10px;color:rgba(246,244,239,.62);font-size:14px;line-height:1.8;max-width:520px;}
.hud-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
  margin-top:36px;
}
.hud-cell{border-left:1px solid rgba(246,244,239,.14);padding-left:20px;}
.hud-cell:first-child{border-left:0;padding-left:0;}
.hud-num{
  font-family:var(--cond);
  font-size:clamp(2.2rem,4vw,3.2rem);
  font-weight:700;line-height:1;
  color:var(--lime);
  font-variant-numeric:tabular-nums;
}
.hud-num span{font-family:var(--sans);font-size:14px;color:rgba(246,244,239,.6);margin-left:6px;font-weight:500;}
.hud-label{margin-top:12px;font-size:14px;font-weight:600;}
.hud-desc{margin-top:6px;font-size:13px;color:rgba(246,244,239,.55);line-height:1.75;}

/* ============ 对比面板 ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-card{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:32px;
  transition:transform .22s var(--ease),border-color .22s ease,box-shadow .22s ease;
}
.compare-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--shadow);}
.compare-top{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-bottom:20px;
}
.compare-top h3{font-size:20px;font-weight:800;}
.compare-index{font-family:var(--cond);font-size:28px;font-weight:700;color:var(--stone);}
.compare-list li{
  display:flex;gap:12px;
  padding:12px 0;
  border-top:1px solid var(--line);
  font-size:15px;
  color:#3A3F38;
  line-height:1.8;
}
.compare-list li::before{
  content:"";
  flex:none;
  width:8px;height:8px;margin-top:11px;
  background:var(--lime);
  border-radius:2px;
}
.compare-foot{
  margin-top:22px;
  padding-top:18px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--stone);
}

/* ============ FAQ ============ */
.faq{max-width:800px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  display:flex;align-items:center;gap:18px;
  padding:22px 0;
  font-size:18px;font-weight:600;
  cursor:pointer;
  list-style:none;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-index{font-family:var(--cond);font-size:16px;font-weight:700;color:var(--stone);flex:none;}
.faq-icon{
  margin-left:auto;
  width:26px;height:26px;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:50%;
  transition:transform .25s var(--ease),border-color .25s ease;
}
.faq-icon svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;}
.faq-item[open] .faq-icon{transform:rotate(180deg);border-color:var(--lime);}
.faq-a{
  padding:0 0 24px 44px;
  font-size:15px;
  line-height:1.9;
  color:var(--stone);
  max-width:720px;
}

/* ============ CTA ============ */
.cta-panel{
  background:var(--ink);
  border-radius:24px;
  overflow:hidden;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  align-items:stretch;
}
.cta-left{padding:56px 52px;display:flex;flex-direction:column;justify-content:center;}
.cta-left h2{
  color:var(--paper);
  font-size:clamp(1.7rem,3.4vw,2.5rem);
  line-height:1.16;font-weight:900;letter-spacing:-.01em;
}
.cta-left p{
  margin-top:16px;
  color:rgba(246,244,239,.66);
  font-size:15px;line-height:1.85;max-width:520px;
}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:30px;}
.cta-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--paper);font-size:14px;font-weight:600;
  min-height:44px;
  border-bottom:1px solid transparent;
  transition:border-color .18s ease;
}
.cta-link:hover{border-color:var(--lime);}
.cta-link svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.cta-right{position:relative;min-height:340px;}
.cta-right img{width:100%;height:100%;object-fit:cover;opacity:.82;}
.cta-float{
  position:absolute;left:24px;bottom:24px;
  background:rgba(27,31,29,.9);
  border:1px solid var(--lime);
  border-radius:var(--r-md);
  padding:16px 18px;
  color:var(--paper);
  backdrop-filter:none;
}
.cta-float strong{display:block;font-family:var(--cond);font-size:24px;color:var(--lime);line-height:1;}
.cta-float span{display:block;margin-top:6px;font-size:12px;color:rgba(246,244,239,.7);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  background:var(--ink);
  color:var(--paper);
  padding:64px 0 28px;
}
.footer-rule{height:1px;background:var(--lime);width:64px;margin-bottom:44px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.foot-brand-text{font-size:17px;font-weight:900;}
.foot-intro{font-size:14px;line-height:1.85;color:rgba(246,244,239,.6);max-width:340px;}
.foot-title{
  font-size:12px;font-weight:600;letter-spacing:.12em;
  color:rgba(246,244,239,.5);
  margin-bottom:16px;
}
.foot-list li{margin-bottom:10px;}
.foot-list a{
  display:inline-flex;align-items:center;
  min-height:32px;
  font-size:14px;color:rgba(246,244,239,.78);
  transition:color .18s ease;
}
.foot-list a:hover{color:var(--lime);}
.foot-contact{font-size:14px;line-height:1.9;color:rgba(246,244,239,.62);}
.foot-contact strong{color:var(--paper);font-weight:600;}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(246,244,239,.14);
  display:flex;flex-wrap:wrap;gap:12px 24px;
  justify-content:space-between;
  font-size:12.5px;
  color:rgba(246,244,239,.5);
}
.footer-bottom .num{color:rgba(246,244,239,.6);}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.is-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:1023px){
  .brand-actions .text-link{display:none;}
  .menu-btn{display:inline-flex;}
  .chan-bar{display:none;}
  .mini-hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-aside{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:24px;}
  .hud{padding:40px 32px;}
  .hud-grid{grid-template-columns:1fr 1fr;gap:32px 24px;}
  .hud-cell:nth-child(3){border-left:0;padding-left:0;}
  .compare{grid-template-columns:1fr;}
  .cta-panel{grid-template-columns:1fr;}
  .cta-left{padding:40px 32px;}
  .cta-right{min-height:280px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .section{padding:72px 0;}
}

@media (max-width:767px){
  body{font-size:16px;}
  .brand-text{font-size:16px;}
  .brand-actions .btn-primary{display:none;}
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:32px;}
  .timeline::before{display:none;}
  .tl-item{grid-template-columns:1fr;padding-bottom:36px;}
  .tl-time{
    text-align:left;padding:0 0 12px 0;
    display:flex;align-items:baseline;gap:12px;
  }
  .tl-num{font-size:28px;}
  .tl-unit{margin-top:0;}
  .tl-body{padding-left:18px;}
  .tl-body::before{left:-4px;top:8px;width:11px;height:11px;}
  .hud-grid{grid-template-columns:1fr;gap:24px;}
  .hud-cell{border-left:0;border-top:1px solid rgba(246,244,239,.14);padding-left:0;padding-top:20px;}
  .hud-cell:first-child{border-top:0;padding-top:0;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .faq-a{padding-left:32px;}
  .compare-card{padding:24px;}
  .crumb .current{max-width:60vw;}
}

/* roulang page: category3 */
:root{
  --ink:#0D0F0E;
  --ink-2:#1B1F1D;
  --paper:#F6F4EF;
  --paper-2:#FFFFFF;
  --lime:#CBF350;
  --clay:#FF5B2E;
  --stone:#8A8F88;
  --line:rgba(13,15,14,.10);
  --alert:#D93A2B;
  --r-lg:18px;
  --r-md:14px;
  --r-pop:20px;
  --r-pill:999px;
  --sh-hover:0 12px 32px -16px rgba(13,15,14,.28);
  --ease:cubic-bezier(.22,1,.36,1);
  --section:clamp(56px,7vw,104px);
  --font-cn:'Noto Sans SC','Source Han Sans SC',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-num:'Barlow Condensed','Noto Sans SC',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
::selection{background:var(--lime);color:var(--ink)}

.container{
  width:100%;
  max-width:1240px;
  margin-inline:auto;
  padding-inline:20px;
}
@media (min-width:768px){.container{padding-inline:24px}}
@media (min-width:1024px){.container{padding-inline:32px}}
@media (min-width:1440px){.container{max-width:1320px}}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--ink);color:var(--paper);padding:10px 18px;border-radius:0 0 10px 0;
}
.skip-link:focus{left:0}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(246,244,239,.97);
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px -22px rgba(13,15,14,.55)}
.brand-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.brand-left{display:flex;align-items:center;gap:12px;min-width:0}
.logo-mark svg{width:34px;height:34px;display:block}
.brand-text{
  font-weight:900;font-size:18px;letter-spacing:-.01em;white-space:nowrap;
  overflow:hidden;text-overflow:ellipsis;
}
.brand-right{display:flex;align-items:center;gap:18px}
.icon-btn{
  width:44px;height:44px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink);border:1px solid transparent;transition:.2s var(--ease);
}
.icon-btn:hover{border-color:var(--line);background:var(--paper-2)}
.icon-btn i{font-size:16px}
.text-link-top{font-size:14px;font-weight:600;color:var(--ink);position:relative;padding:6px 0;transition:color .2s}
.text-link-top::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--lime);transition:width .28s var(--ease);
}
.text-link-top:hover::after{width:100%}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--ink);border:1px solid var(--lime)}
.btn-primary:hover{background:var(--ink);color:var(--lime);border-color:var(--ink)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center}
.burger i{font-size:18px}

.chan-bar{border-top:1px solid var(--line)}
.chan-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:52px}
.chan-nav{display:flex;align-items:center;gap:26px;min-width:0}
.chan-link{
  position:relative;font-size:15px;color:var(--stone);font-weight:500;
  padding:14px 0;white-space:nowrap;transition:color .2s var(--ease);
}
.chan-link::after{
  content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
}
.chan-link:hover{color:var(--ink)}
.chan-link:hover::after{transform:scaleX(.5)}
.chan-link.is-active{color:var(--ink);font-weight:700}
.chan-link.is-active::after{transform:scaleX(1)}
.chan-meta{
  font-family:var(--font-num);font-size:13.5px;letter-spacing:.08em;
  color:var(--stone);text-transform:uppercase;white-space:nowrap;
}
.chan-meta b{color:var(--ink);font-weight:700}

/* mobile drawer */
.drawer{
  position:fixed;inset:72px 0 0 0;z-index:88;background:var(--paper);
  transform:translateY(-12px);opacity:0;pointer-events:none;
  transition:opacity .26s var(--ease),transform .26s var(--ease);
  display:flex;flex-direction:column;padding:16px 20px 0;overflow-y:auto;
}
.drawer.is-open{opacity:1;transform:none;pointer-events:auto}
.drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;font-size:18px;font-weight:600;border-bottom:1px solid var(--line);
}
.drawer a.drawer-link.is-active{color:var(--ink)}
.drawer a.drawer-link.is-active::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);margin-right:10px}
.drawer-cta{margin:24px 0 32px}

/* ---------- breadcrumb ---------- */
.crumb{padding:20px 0 12px;font-size:12.5px;color:var(--stone);letter-spacing:.02em}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:var(--line)}
.crumb a{transition:color .2s}
.crumb a:hover{color:var(--ink)}
.crumb .current{color:var(--ink);font-weight:600;max-width:58vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- mini hero ---------- */
.page-hero{position:relative;padding:24px 0 clamp(40px,5vw,64px);overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center right;
  opacity:.07;pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,var(--lime) 0 90px,transparent 90px);
  opacity:.8;
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1fr;gap:36px;align-items:center;
}
.eyebrow{
  display:flex;flex-wrap:wrap;gap:10px 18px;margin-bottom:18px;
  font-family:var(--font-num);font-size:12px;font-weight:600;letter-spacing:.16em;
  color:var(--stone);text-transform:uppercase;
}
.eyebrow span{display:inline-flex;align-items:center;gap:8px}
.eyebrow span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}
h1{
  font-size:clamp(2.1rem,5vw,3.5rem);
  line-height:1.08;
  font-weight:900;
  letter-spacing:-.02em;
  margin-bottom:18px;
}
.hl{
  background:var(--lime);color:var(--ink);
  padding:2px 8px;border-radius:6px;
  -webkit-box-decoration-break:clone;box-decoration-break:clone;
}
.hero-lead{
  max-width:640px;color:#3C413D;font-size:16.5px;line-height:1.9;
}
.hero-lead + .hero-lead{margin-top:1.25em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.link-arrow{
  display:inline-flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:var(--ink);
}
.link-arrow i{font-size:12px;transition:transform .24s var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}
.hero-cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:22px;margin-top:26px}

.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--paper-2);
  font-size:13.5px;color:var(--stone);transition:.2s var(--ease);
}
.chip:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-2px)}
.chip.is-current{border-color:var(--lime);color:var(--ink);font-weight:700;background:rgba(203,243,80,.22)}

.hero-visual{position:relative;max-width:360px;width:100%;margin-inline:auto}
.hero-visual .frame{
  position:relative;border-radius:22px;overflow:hidden;
  aspect-ratio:9/16;background:var(--ink);
  border:1px solid var(--line);
  box-shadow:var(--sh-hover);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;opacity:.92}
.hero-visual .tag-top,.hero-visual .tag-bottom{
  position:absolute;font-family:var(--font-num);font-weight:700;letter-spacing:.08em;
  padding:6px 12px;border-radius:8px;font-size:13px;z-index:2;
}
.hero-visual .tag-top{top:16px;left:16px;background:var(--lime);color:var(--ink)}
.hero-visual .tag-bottom{bottom:16px;right:16px;background:var(--ink);color:var(--paper)}
.hero-visual .play-badge{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:2;
}
.hero-visual .play-badge span{
  width:64px;height:64px;border-radius:50%;
  background:rgba(13,15,14,.55);border:2px solid var(--lime);
  display:flex;align-items:center;justify-content:center;color:var(--lime);
}

/* stat strip */
.stat-strip{
  margin-top:clamp(36px,4vw,56px);
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
}
.stat-cell{background:var(--paper-2);padding:22px 20px}
.stat-num{
  font-family:var(--font-num);font-weight:700;font-size:34px;line-height:1;
  letter-spacing:-.02em;display:flex;align-items:baseline;gap:4px;
}
.stat-num small{font-size:14px;font-weight:600;color:var(--stone);letter-spacing:.04em}
.stat-label{margin-top:10px;font-size:13.5px;color:var(--stone)}

/* ---------- sections ---------- */
.section{padding:var(--section) 0}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;
  margin-bottom:clamp(28px,3.4vw,46px);
}
.section-title{font-size:clamp(1.6rem,3.2vw,2.4rem);line-height:1.15;font-weight:800;letter-spacing:-.02em}
.section-sub{margin-top:12px;max-width:660px;color:var(--stone);font-size:15.5px;line-height:1.85}
.rule-line{height:1px;background:var(--line);margin-top:22px}

/* dual cards */
.dual-grid{display:grid;grid-template-columns:1fr;gap:26px}
.dual-card{
  display:grid;grid-template-columns:1fr;gap:0;
  background:var(--paper-2);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.dual-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--sh-hover)}
.dual-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#E9E7E0}
.dual-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.dual-card:hover .dual-media img{transform:scale(1.04)}
.dual-index{
  position:absolute;top:14px;left:14px;z-index:2;
  font-family:var(--font-num);font-weight:700;font-size:15px;letter-spacing:.1em;
  background:var(--ink);color:var(--lime);padding:5px 11px;border-radius:8px;
}
.dual-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:14px}
.dual-title{font-size:21px;font-weight:800;line-height:1.35;letter-spacing:-.01em}
.dual-text{font-size:15.5px;color:#4A4F4B;line-height:1.85}
.dual-list{display:flex;flex-direction:column;gap:8px;font-size:14.5px;color:var(--stone)}
.dual-list li{display:flex;gap:10px;align-items:flex-start}
.dual-list li::before{content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;background:var(--lime);border-radius:2px}
.metric{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  border:1px solid var(--lime);border-radius:6px;
  padding:6px 12px;font-size:12.5px;font-weight:700;color:var(--ink);
  background:rgba(203,243,80,.16);
}
.metric b{font-family:var(--font-num);font-size:15px;letter-spacing:.02em}
.dual-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:6px}
.dual-foot time{font-family:var(--font-num);font-size:13px;letter-spacing:.08em;color:var(--stone)}

/* dark panel */
.dark-panel{
  background:var(--ink);color:var(--paper);border-radius:24px;
  padding:clamp(28px,4vw,56px);
  display:grid;grid-template-columns:1fr;gap:32px;
}
.dark-panel .kicker{
  font-family:var(--font-num);font-size:12px;font-weight:700;letter-spacing:.18em;
  color:var(--lime);text-transform:uppercase;
}
.dark-panel h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800;line-height:1.2;margin-top:14px;letter-spacing:-.02em}
.dark-panel p{color:rgba(246,244,239,.72);font-size:15.5px;margin-top:14px;max-width:560px}
.hud-grid{display:grid;grid-template-columns:1fr;gap:1px;background:rgba(246,244,239,.14);border-radius:var(--r-lg);overflow:hidden}
.hud-cell{background:var(--ink-2);padding:22px}
.hud-num{font-family:var(--font-num);font-weight:700;font-size:38px;line-height:1;color:var(--lime);letter-spacing:-.02em}
.hud-name{margin-top:10px;font-size:14.5px;font-weight:600}
.hud-note{margin-top:6px;font-size:12.8px;color:rgba(246,244,239,.6)}

/* path steps */
.steps{display:grid;grid-template-columns:1fr;gap:22px;counter-reset:step}
.step{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;position:relative;
  transition:transform .3s var(--ease),border-color .3s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:var(--lime)}
.step-num{
  font-family:var(--font-num);font-weight:700;font-size:40px;line-height:1;
  color:transparent;-webkit-text-stroke:1.2px var(--ink);letter-spacing:-.02em;
}
.step h3{margin-top:14px;font-size:19px;font-weight:800}
.step p{margin-top:10px;font-size:15px;color:var(--stone);line-height:1.85}

/* marquee */
.marquee-section{padding:var(--section) 0;overflow:hidden}
.marquee{
  position:relative;margin-top:34px;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 80px,#000 calc(100% - 80px),transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 80px,#000 calc(100% - 80px),transparent 100%);
}
.marquee-track{display:flex;gap:20px;width:max-content;animation:slide 36s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.quote-card{
  width:328px;flex:0 0 auto;background:var(--paper-2);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;
}
.stars{display:flex;gap:5px;margin-bottom:14px}
.stars i{font-size:11px;color:var(--lime)}
.quote-text{font-size:14.8px;line-height:1.8;color:#3C413D}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:18px}
.avatar{
  width:38px;height:38px;border-radius:50%;flex:0 0 auto;
  background:linear-gradient(135deg,var(--lime),#9FBF38);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-weight:700;color:var(--ink);
}
.quote-user .name{font-size:14px;font-weight:700}
.quote-user .role{font-size:12.5px;color:var(--stone)}

/* faq */
.faq-wrap{max-width:800px;margin-inline:auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:16px;
  padding:22px 0;font-size:18px;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item .q-idx{font-family:var(--font-num);font-weight:700;font-size:15px;color:var(--stone);flex:0 0 auto;padding-top:4px}
.faq-item .q-text{flex:1}
.faq-item .q-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  transition:transform .3s var(--ease),border-color .3s var(--ease),background-color .3s var(--ease);
}
.faq-item .q-icon i{font-size:11px;transition:color .3s}
.faq-item[open] .q-icon{transform:rotate(180deg);border-color:var(--lime);background:var(--lime)}
.faq-item[open] summary{color:var(--ink)}
.faq-answer{padding:0 0 24px 40px;font-size:15px;color:var(--stone);line-height:1.9;max-width:680px}

/* cta */
.cta-block{
  background:var(--ink);color:var(--paper);border-radius:24px;
  padding:clamp(28px,4vw,56px);
  display:grid;grid-template-columns:1fr;gap:34px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-block h2{font-size:clamp(1.6rem,3.4vw,2.4rem);font-weight:800;line-height:1.2;letter-spacing:-.02em}
.cta-block p{color:rgba(246,244,239,.72);margin-top:16px;font-size:15.5px;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:26px}
.cta-actions .link-arrow{color:var(--paper)}
.cta-visual{position:relative;max-width:320px;width:100%;margin-inline:auto}
.cta-visual .frame{border-radius:20px;overflow:hidden;aspect-ratio:9/16;border:1px solid rgba(246,244,239,.18)}
.cta-visual img{width:100%;height:100%;object-fit:cover;opacity:.9}
.cta-mini{
  position:absolute;left:-14px;bottom:26px;background:var(--ink-2);
  border:1px solid var(--lime);border-radius:12px;padding:12px 16px;
  font-size:13px;color:var(--paper);
}
.cta-mini b{display:block;font-family:var(--font-num);font-size:20px;color:var(--lime);line-height:1.1}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--paper);margin-top:clamp(56px,7vw,104px);padding:clamp(44px,5vw,72px) 0 28px}
.footer-rule{height:1px;width:96px;background:var(--lime);margin-bottom:44px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:12px}
.foot-brand-text{font-weight:900;font-size:17px;letter-spacing:-.01em}
.foot-intro{margin-top:16px;font-size:14.5px;color:rgba(246,244,239,.66);line-height:1.85;max-width:380px}
.foot-title{
  font-family:var(--font-num);font-size:12.5px;font-weight:700;letter-spacing:.16em;
  color:var(--lime);text-transform:uppercase;margin-bottom:18px;
}
.foot-list{display:flex;flex-direction:column;gap:12px}
.foot-list a{font-size:14.5px;color:rgba(246,244,239,.78);transition:color .2s}
.foot-list a:hover{color:var(--lime)}
.foot-contact{font-size:14.5px;color:rgba(246,244,239,.72);line-height:1.9}
.foot-contact strong{color:var(--paper);font-weight:700}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(246,244,239,.14);
  display:flex;flex-wrap:wrap;gap:12px 26px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(246,244,239,.6);
}
.footer-bottom .num{font-family:var(--font-num);letter-spacing:.1em}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease);transition-delay:var(--d,0s)}
.reveal.is-in{opacity:1;transform:none}

/* responsive */
@media (min-width:768px){
  .stat-strip{grid-template-columns:repeat(4,minmax(0,1fr))}
  .dual-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dual-card{grid-template-columns:1fr 1fr}
  .dual-card--flip .dual-media{order:2}
  .dual-card--flip .dual-body{order:1}
  .hud-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .quote-card{width:352px}
}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:1.05fr .95fr;gap:48px}
  .steps{grid-template-columns:repeat(4,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}
  .cta-block{grid-template-columns:1.3fr .7fr}
  .dual-card{grid-template-columns:1.02fr 1fr}
}
@media (max-width:1023px){
  .brand-right .text-link-top,
  .brand-right .btn{display:none}
  .burger{display:inline-flex}
  .chan-nav{gap:14px;overflow-x:auto;scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none}
  .chan-nav::-webkit-scrollbar{display:none}
  .chan-link{scroll-snap-align:start;padding:11px 14px;border:1px solid var(--line);border-radius:var(--r-pill);background:var(--paper-2)}
  .chan-link::after{display:none}
  .chan-link.is-active{background:var(--lime);border-color:var(--lime)}
  .chan-meta{display:none}
  .chan-bar-inner{height:60px;padding-block:6px}
}
@media (max-width:519px){
  body{font-size:16px}
  .dual-body{padding:20px 18px 22px}
  .faq-item summary{font-size:16.5px}
  .faq-answer{padding-left:0}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
  --ink:#0D0F0E;
  --ink-2:#1B1F1D;
  --paper:#F6F4EF;
  --paper-2:#FFFFFF;
  --lime:#CBF350;
  --clay:#FF5B2E;
  --stone:#8A8F88;
  --line:rgba(13,15,14,.10);
  --alert:#D93A2B;

  --r-lg:18px;
  --r-md:14px;
  --r-pop:24px;
  --r-sm:10px;
  --r-pill:999px;

  --shadow-hover:0 12px 32px -16px rgba(13,15,14,.28);
  --font-sans:'Noto Sans SC',system-ui,-apple-system,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
  --font-num:'Barlow Condensed','Noto Sans SC',system-ui,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);

  --sec-m:56px;
  --sec-t:72px;
  --sec-d:96px;

  --header-h:72px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);}
a:hover{color:var(--ink);}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;padding:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
::selection{background:var(--lime);color:var(--ink);}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){.container{padding:0 24px;}}
@media (min-width:1024px){.container{padding:0 32px;}}
@media (min-width:1440px){.container{max-width:1320px;}}

.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:70;
  background:rgba(246,244,239,.95);
  border-bottom:1px solid transparent;
  transition:border-color .25s var(--ease),background-color .25s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(246,244,239,.97);}

.brand-row{
  height:var(--header-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.brand{display:flex;align-items:center;gap:10px;min-width:0;}
.logo-mark{width:32px;height:32px;flex:0 0 32px;display:block;}
.logo-mark svg{width:100%;height:100%;display:block;}
.brand-name{
  font-size:17px;
  font-weight:900;
  letter-spacing:-.01em;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.brand-actions{display:flex;align-items:center;gap:14px;}
.icon-btn{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:var(--paper-2);
  color:var(--ink);
  transition:border-color .18s var(--ease),transform .18s var(--ease);
}
.icon-btn:hover{border-color:var(--lime);transform:translateY(-2px);}
.icon-btn svg{width:18px;height:18px;}
.text-link{
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.text-link:hover{border-bottom-color:var(--lime);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  border:1px solid transparent;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.btn-primary:hover{background:var(--ink);color:var(--lime);border-color:var(--ink);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);}
.btn-on-dark{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.btn-on-dark:hover{background:transparent;color:var(--lime);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}

.burger{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:var(--paper-2);
  align-items:center;justify-content:center;
}
.burger span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

.chan-bar{border-top:1px solid var(--line);}
.chan-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:52px;
}
.chan-nav{
  display:flex;
  align-items:center;
  gap:26px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  scroll-snap-type:x proximity;
}
.chan-nav::-webkit-scrollbar{display:none;}
.chan-link{
  position:relative;
  font-size:14px;
  font-weight:500;
  color:var(--stone);
  padding:16px 0 14px;
  white-space:nowrap;
  scroll-snap-align:start;
}
.chan-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:8px;
  height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s var(--ease);
}
.chan-link:hover{color:var(--ink);}
.chan-link:hover::after{transform:scaleX(1);}
.chan-link.is-active{color:var(--ink);font-weight:700;}
.chan-link.is-active::after{transform:scaleX(1);}
.chan-meta{
  font-size:13px;
  color:var(--stone);
  white-space:nowrap;
}
.chan-meta .num{font-size:14px;color:var(--ink-2);}

.mobile-drawer{
  display:none;
  position:fixed;
  inset:var(--header-h) 0 0 0;
  z-index:65;
  background:var(--paper);
  padding:20px 20px 100px;
  overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.drawer-link{
  display:block;
  font-size:18px;
  font-weight:600;
  line-height:56px;
  border-bottom:1px solid var(--line);
  color:var(--ink);
}
.drawer-link.is-active{color:var(--ink);}
.drawer-link.is-active::before{
  content:"";
  display:inline-block;
  width:8px;height:8px;
  background:var(--lime);
  border-radius:2px;
  margin-right:10px;
  vertical-align:middle;
}
.drawer-cta{
  position:fixed;
  left:20px;right:20px;bottom:20px;
}
.drawer-cta .btn{width:100%;}

@media (max-width:1023px){
  .burger{display:inline-flex;}
  .brand-actions .text-link,
  .brand-actions .btn{display:none;}
  .chan-meta{display:none;}
  .chan-nav{
    gap:20px;
    -webkit-overflow-scrolling:touch;
    mask-image:linear-gradient(90deg,#000 0,#000 88%,transparent 100%);
  }
}

/* ---------- breadcrumb ---------- */
.crumb{padding:20px 0 12px;font-size:12px;color:var(--stone);}
.crumb ol{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--line);}
.crumb a:hover{color:var(--ink);}
.crumb .current{color:var(--ink);font-weight:600;max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- category hero ---------- */
.cat-hero{
  position:relative;
  padding:26px 0 44px;
  overflow:hidden;
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.07;
  pointer-events:none;
}
.cat-hero-inner{position:relative;max-width:860px;}
.eyebrow{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  font-size:12px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--stone);
  margin-bottom:18px;
}
.eyebrow .dot{
  width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block;
}
.cat-hero h1{
  font-size:clamp(2.1rem,5vw,3.6rem);
  line-height:1.08;
  font-weight:900;
  letter-spacing:-.02em;
  margin-bottom:18px;
}
.hl{
  background:var(--lime);
  color:var(--ink);
  padding:2px 8px;
  border-radius:6px;
  box-decoration-break:clone;
  -webkit-box-decoration-break:clone;
}
.cat-lead{
  font-size:16px;
  line-height:1.9;
  color:var(--ink-2);
  max-width:740px;
}
.cat-lead p+p{margin-top:1.25em;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 16px;
  font-size:13px;
  font-weight:600;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:var(--paper-2);
  color:var(--ink-2);
  transition:border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.chip:hover{border-color:var(--lime);color:var(--ink);transform:translateY(-2px);}
.chip.is-current{border-color:var(--ink);background:var(--ink);color:var(--lime);}

/* ---------- sections ---------- */
.section{padding:var(--sec-m) 0;}
@media (min-width:768px){.section{padding:var(--sec-t) 0;}}
@media (min-width:1024px){.section{padding:var(--sec-d) 0;}}
.section-tight{padding-top:0;}

.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:32px;
  flex-wrap:wrap;
}
.sec-head h2{
  font-size:clamp(1.6rem,3.2vw,2.4rem);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.015em;
}
.sec-head .sec-desc{
  font-size:14px;
  color:var(--stone);
  max-width:520px;
  margin-top:10px;
}
.sec-kicker{
  font-family:var(--font-num);
  font-size:13px;
  letter-spacing:.14em;
  color:var(--clay);
  font-weight:700;
  margin-bottom:10px;
  display:block;
}
.more-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
}
.more-link::after{
  content:"→";
  font-family:var(--font-num);
  transition:transform .2s var(--ease);
}
.more-link:hover::after{transform:translateX(4px);}

/* ---------- collage gallery + sidebar ---------- */
.collage-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
}
@media (min-width:1024px){
  .collage-layout{grid-template-columns:2fr 1fr;gap:32px;align-items:start;}
}
.collage-main{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.tile{
  position:relative;
  display:block;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--paper-2);
  border:1px solid var(--line);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.tile:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--shadow-hover);}
.tile-lg{grid-column:span 2;aspect-ratio:16/9;}
.tile-sm{aspect-ratio:3/4;}
.tile-wide{grid-column:span 2;aspect-ratio:21/9;}
.tile img{width:100%;height:100%;object-fit:cover;}
.tile-shade{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,15,14,0) 38%,rgba(13,15,14,.78) 100%);
}
.tile-no{
  position:absolute;
  top:14px;left:14px;
  font-family:var(--font-num);
  font-size:15px;
  font-weight:700;
  letter-spacing:.06em;
  background:var(--lime);
  color:var(--ink);
  padding:2px 9px;
  border-radius:6px;
}
.tile-body{
  position:absolute;
  left:18px;right:18px;bottom:16px;
  color:#fff;
}
.tile-tag{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.1em;
  color:var(--lime);
  margin-bottom:8px;
}
.tile-title{
  font-size:18px;
  font-weight:700;
  line-height:1.4;
  color:#fff;
}
.tile-meta{
  margin-top:6px;
  font-size:13px;
  color:rgba(255,255,255,.72);
}
.tile-meta .num{color:rgba(255,255,255,.9);}

.side-col{display:flex;flex-direction:column;gap:24px;}
@media (min-width:1024px){
  .side-col{position:sticky;top:calc(var(--header-h) + 60px);}
}
.side-card{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
}
.side-card h3{
  font-size:16px;
  font-weight:700;
  margin-bottom:16px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-card h3::before{
  content:"";
  width:4px;height:18px;
  background:var(--lime);
  border-radius:2px;
}
.hot-list li{border-top:1px solid var(--line);}
.hot-list li:first-child{border-top:0;}
.hot-item{
  display:flex;
  align-items:baseline;
  gap:12px;
  padding:14px 0;
  transition:transform .18s var(--ease);
}
.hot-item:hover{transform:translateX(4px);}
.hot-no{
  font-family:var(--font-num);
  font-size:20px;
  font-weight:700;
  color:var(--stone);
  flex:0 0 26px;
  line-height:1;
}
.hot-item:hover .hot-no{color:var(--clay);}
.hot-text{flex:1 1 auto;min-width:0;}
.hot-title{
  font-size:14px;
  font-weight:600;
  line-height:1.6;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.hot-date{
  font-size:12px;
  color:var(--stone);
  margin-top:4px;
}
.hot-date .num{font-size:13px;}

.side-cta{
  position:relative;
  border-radius:var(--r-pop);
  overflow:hidden;
  background:var(--ink);
  color:var(--paper);
  padding:28px 24px 26px;
}
.side-cta::before{
  content:"";
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.28;
}
.side-cta-inner{position:relative;}
.side-cta .tag{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--lime);
  border:1px solid rgba(203,243,80,.5);
  border-radius:6px;
  padding:3px 9px;
  margin-bottom:16px;
}
.side-cta h3{
  font-size:20px;
  font-weight:800;
  line-height:1.4;
  margin-bottom:10px;
  color:#fff;
}
.side-cta p{
  font-size:14px;
  line-height:1.8;
  color:rgba(246,244,239,.78);
  margin-bottom:20px;
}
.side-cta .btn{width:100%;}

/* ---------- numbered list ---------- */
.type-list{border-top:1px solid var(--line);}
.type-row{
  display:flex;
  align-items:center;
  gap:20px;
  padding:22px 12px;
  border-bottom:1px solid var(--line);
  transition:background-color .2s var(--ease);
}
.type-row:hover{background:rgba(203,243,80,.10);}
.type-no{
  font-family:var(--font-num);
  font-size:34px;
  font-weight:700;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1.4px var(--ink);
  flex:0 0 56px;
}
.type-row:hover .type-no{color:var(--clay);-webkit-text-stroke:0;}
.type-text{flex:1 1 auto;min-width:0;}
.type-text h3{font-size:18px;font-weight:700;margin-bottom:6px;}
.type-text p{font-size:14px;line-height:1.8;color:var(--stone);}
.type-arrow{
  font-family:var(--font-num);
  font-size:20px;
  color:var(--stone);
  transition:transform .2s var(--ease),color .2s var(--ease);
}
.type-row:hover .type-arrow{transform:translateX(4px);color:var(--ink);}

/* ---------- steps ---------- */
.steps{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media (min-width:768px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);}}
.step{
  position:relative;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--shadow-hover);}
.step-no{
  font-family:var(--font-num);
  font-size:15px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--ink);
  background:var(--lime);
  display:inline-block;
  padding:2px 9px;
  border-radius:6px;
  margin-bottom:16px;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.85;color:var(--stone);}

/* ---------- dark hud ---------- */
.hud{
  background:var(--ink);
  border-radius:var(--r-pop);
  padding:40px 28px;
  color:var(--paper);
  position:relative;
  overflow:hidden;
}
.hud::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:240px;height:240px;
  border:1px solid rgba(203,243,80,.28);
  border-radius:50%;
}
.hud-head{position:relative;margin-bottom:32px;max-width:620px;}
.hud-head h2{
  font-size:clamp(1.5rem,3vw,2.1rem);
  font-weight:800;
  line-height:1.2;
  color:#fff;
  margin-bottom:10px;
}
.hud-head p{font-size:14px;color:rgba(246,244,239,.68);line-height:1.85;}
.hud-grid{
  position:relative;
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
@media (min-width:768px){.hud-grid{grid-template-columns:repeat(4,1fr);}}
.hud-item{border-top:1px solid rgba(246,244,239,.18);padding-top:18px;}
.hud-value{
  font-family:var(--font-num);
  font-size:40px;
  font-weight:700;
  line-height:1;
  color:var(--lime);
  display:flex;
  align-items:baseline;
  gap:6px;
}
.hud-value small{font-size:15px;font-weight:600;color:rgba(246,244,239,.7);font-family:var(--font-sans);}
.hud-label{font-size:13px;color:rgba(246,244,239,.68);margin-top:10px;}

/* ---------- faq ---------- */
.faq-wrap{max-width:800px;}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item summary{
  display:flex;
  align-items:center;
  gap:16px;
  padding:22px 0;
  cursor:pointer;
  list-style:none;
  font-size:18px;
  font-weight:600;
  line-height:1.6;
  transition:color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--ink-2);}
.faq-no{
  font-family:var(--font-num);
  font-size:15px;
  font-weight:700;
  color:var(--clay);
  flex:0 0 30px;
}
.faq-q{flex:1 1 auto;}
.faq-icon{
  flex:0 0 22px;
  width:22px;height:22px;
  position:relative;
  transition:transform .28s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--ink);
  border-radius:2px;
}
.faq-icon::before{left:0;right:0;top:10px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:10px;width:2px;transition:opacity .2s var(--ease);}
.faq-item[open] .faq-icon{transform:rotate(180deg);}
.faq-item[open] .faq-icon::after{opacity:0;}
.faq-answer{
  padding:0 0 24px 46px;
  font-size:15px;
  line-height:1.9;
  color:var(--stone);
}

/* ---------- cta ---------- */
.cta-block{
  position:relative;
  background:var(--ink);
  border-radius:var(--r-pop);
  overflow:hidden;
  display:grid;
  grid-template-columns:1fr;
  gap:0;
}
@media (min-width:900px){.cta-block{grid-template-columns:1.35fr 1fr;}}
.cta-copy{padding:44px 28px;position:relative;}
@media (min-width:768px){.cta-copy{padding:56px 48px;}}
.cta-copy h2{
  font-size:clamp(1.7rem,3.4vw,2.5rem);
  font-weight:900;
  line-height:1.15;
  letter-spacing:-.02em;
  color:#fff;
  margin-bottom:16px;
}
.cta-copy p{
  font-size:15px;
  line-height:1.9;
  color:rgba(246,244,239,.76);
  max-width:520px;
  margin-bottom:28px;
}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;}
.cta-side{
  position:relative;
  min-height:260px;
  background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
}
.cta-side::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,15,14,.15),rgba(13,15,14,.72));
}
.cta-mini{
  position:absolute;
  left:20px;right:20px;bottom:20px;
  z-index:2;
  background:rgba(13,15,14,.78);
  border:1px solid var(--lime);
  border-radius:var(--r-lg);
  padding:18px;
  color:var(--paper);
}
.cta-mini .num{font-size:26px;font-weight:700;color:var(--lime);line-height:1;}
.cta-mini p{font-size:13px;color:rgba(246,244,239,.76);margin-top:8px;line-height:1.7;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:var(--sec-m);
  background:var(--ink);
  color:var(--paper);
  padding:0 0 28px;
}
@media (min-width:768px){.site-footer{margin-top:var(--sec-t);}}
@media (min-width:1024px){.site-footer{margin-top:var(--sec-d);}}
.footer-rule{height:1px;background:var(--lime);width:72px;margin-bottom:48px;}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  padding-bottom:40px;
}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;}}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand-text{font-size:17px;font-weight:900;color:#fff;letter-spacing:-.01em;}
.foot-intro{font-size:14px;line-height:1.85;color:rgba(246,244,239,.66);max-width:340px;}
.foot-title{
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--lime);
  margin-bottom:18px;
}
.foot-list li{margin-bottom:12px;}
.foot-list a{
  font-size:14px;
  color:rgba(246,244,239,.72);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.foot-list a:hover{color:#fff;border-bottom-color:var(--lime);}
.foot-contact{font-size:14px;line-height:2;color:rgba(246,244,239,.66);}
.foot-contact strong{color:rgba(246,244,239,.92);font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(246,244,239,.14);
  padding-top:22px;
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:rgba(246,244,239,.55);
}
.footer-bottom .num{letter-spacing:.06em;}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

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