/* roulang page: index */
:root{
  --ink:#0F3B34;
  --ink-deep:#10231F;
  --sand:#E8DCC8;
  --ci:#B8452F;
  --bg:#FAF7F2;
  --bg2:#F2EDE4;
  --text:#1A1A18;
  --text2:#5C5A54;
  --line:rgba(16,35,31,.12);
  --line-strong:rgba(16,35,31,.28);
  --r-card:4px;
  --r-img:2px;
  --r-btn:2px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.6,.2,1);
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
  --sans:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC",-apple-system,BlinkMacSystemFont,"Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--sans);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;letter-spacing:.01em;margin:0}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:2px}
.tnum{font-variant-numeric:tabular-nums}

.container-x{max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.container-x{padding-left:32px;padding-right:32px}}
@media(min-width:1024px){.container-x{padding-left:48px;padding-right:48px}}

.section{padding-top:64px;padding-bottom:64px}
@media(min-width:1024px){.section{padding-top:96px;padding-bottom:96px}}

.eyebrow{font-size:12px;letter-spacing:.14em;color:var(--ci);text-transform:uppercase}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-bottom:20px;border-bottom:1px solid var(--line)}
.sec-title{font-size:clamp(24px,3.2vw,32px);line-height:1.3;color:var(--text)}
.sec-sub{font-size:14px;color:var(--text2);margin-top:10px;max-width:620px;line-height:1.85}
.link-more{font-size:14px;color:var(--ink);display:inline-flex;align-items:center;gap:8px;border-bottom:1px solid transparent;padding-bottom:2px;transition:border-color .24s var(--ease),color .24s var(--ease)}
.link-more:hover{border-bottom-color:var(--ink)}
.link-more i{transition:transform .24s var(--ease)}
.link-more:hover i{transform:translateX(4px)}

/* 顶部信息条 */
.topbar{background:var(--bg2);border-bottom:1px solid var(--line);font-size:13px;color:var(--text2)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;padding-top:6px;padding-bottom:6px;flex-wrap:wrap}
.topbar-text{line-height:1.5}
.topbar-link{color:var(--ink);display:inline-flex;align-items:center;gap:8px;white-space:nowrap;border-bottom:1px solid transparent;transition:border-color .24s var(--ease)}
.topbar-link:hover{border-bottom-color:var(--ci)}
.topbar-link i{font-size:11px}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:transparent;border-bottom:1px solid transparent;transition:background .24s var(--ease),border-color .24s var(--ease)}
.site-header.is-solid{background:rgba(250,247,242,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
@media(min-width:1024px){.nav-inner{height:72px}}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:28px;height:28px;flex:0 0 28px;color:var(--ink)}
.brand-name{font-size:15px;font-weight:500;letter-spacing:.02em;color:var(--text);white-space:nowrap}
.nav-list{display:none;align-items:center;gap:30px;list-style:none;margin:0;padding:0}
@media(min-width:1024px){.nav-list{display:flex}}
.nav-link{position:relative;font-size:14px;color:var(--text2);padding:6px 0;transition:color .24s var(--ease);white-space:nowrap}
.nav-link:hover{color:var(--ink)}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{content:"";position:absolute;left:50%;bottom:-6px;transform:translateX(-50%);width:5px;height:5px;border-radius:50%;background:var(--ci)}
.nav-actions{display:flex;align-items:center;gap:14px}
.nav-cta{display:none;align-items:center;gap:8px;font-size:14px;color:var(--ink);border:1px solid var(--line-strong);border-radius:var(--r-pill);padding:7px 16px;transition:background .24s var(--ease),border-color .24s var(--ease)}
.nav-cta:hover{background:var(--sand);border-color:var(--sand)}
@media(min-width:1024px){.nav-cta{display:inline-flex}}
.menu-toggle{width:44px;height:44px;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;background:transparent;border:0;cursor:pointer}
.menu-toggle span{display:block;width:20px;height:1px;background:var(--ink)}
@media(min-width:1024px){.menu-toggle{display:none}}

.mobile-panel{position:fixed;inset:0;z-index:80;background:var(--bg);transform:translateY(-100%);transition:transform .24s var(--ease);padding:20px 20px 40px;overflow-y:auto}
.mobile-panel.is-open{transform:translateY(0)}
.panel-top{display:flex;align-items:center;justify-content:space-between;height:56px}
.panel-close{width:44px;height:44px;border:0;background:transparent;font-size:20px;color:var(--ink);cursor:pointer}
.panel-list{list-style:none;margin:16px 0 0;padding:0}
.panel-list li{border-bottom:1px solid var(--line)}
.panel-list a{display:block;padding:20px 2px;font-family:var(--serif);font-size:20px;color:var(--text)}
.panel-list a.is-active{color:var(--ink)}
.panel-list a.is-active::before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--ci);margin-right:10px;vertical-align:middle}
.panel-foot{margin-top:32px;font-size:13px;color:var(--text2);line-height:1.9}

/* Hero */
.hero{padding:44px 0 56px}
@media(min-width:1024px){.hero{padding:76px 0 96px}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:56px;align-items:center}}
.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.18;color:var(--text);margin-bottom:22px}
.hero h1 .line-1{display:block;color:var(--ink);animation:riseIn .5s var(--ease) both}
.hero h1 .line-2{display:block;animation:riseIn .5s var(--ease) .09s both}
@keyframes riseIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.hero-sub{font-size:18px;line-height:1.85;color:var(--text2);max-width:560px;animation:riseIn .5s var(--ease) .18s both}
@media(min-width:1024px){.hero-sub{font-size:20px}}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:32px;animation:riseIn .5s var(--ease) .26s both}
.hero-note{margin-top:24px;font-size:13px;color:var(--text2);display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.hero-note .dot{width:5px;height:5px;border-radius:50%;background:var(--ci);flex:0 0 auto}
.hero-visual{position:relative;aspect-ratio:4/5;border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;background:rgba(15,59,52,.06)}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(250,247,242,0) 55%,rgba(250,247,242,.42) 100%);pointer-events:none}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 24px;font-size:14px;font-weight:500;border-radius:var(--r-btn);border:1px solid transparent;cursor:pointer;transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);text-align:center}
.btn i{transition:transform .24s var(--ease);font-size:12px}
.btn-primary{background:var(--ink);color:var(--bg)}
.btn-primary:hover{background:var(--ink-deep)}
.btn-primary:hover i{transform:translateX(4px)}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:rgba(232,220,200,.6)}
.btn-outline:hover i{transform:translateX(4px)}
.btn-light{background:var(--bg);color:var(--ink)}
.btn-light:hover{background:var(--sand)}
.btn-light:hover i{transform:translateX(4px)}
.btn-text{min-height:auto;padding:0;color:var(--ink);position:relative}
.btn-text::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:var(--ci);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.btn-text:hover::after{transform:scaleX(1)}
.btn-text:hover i{transform:translateX(4px)}
.btn-block{width:100%}

/* 数据条 */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg)}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 16px;padding:30px 0}
@media(min-width:1024px){.stats-grid{grid-template-columns:repeat(4,1fr);gap:24px;padding:36px 0}}
.stat-num{font-family:var(--serif);font-size:clamp(28px,4vw,36px);line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.stat-label{font-size:13px;color:var(--text2);margin-top:10px}

/* 时间线 */
.timeline{position:relative;margin-top:44px;padding-left:26px}
.timeline::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:1px;background:rgba(15,59,52,.2)}
.tl-item{position:relative;padding-bottom:40px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:-26px;top:7px;width:11px;height:11px;border-radius:50%;background:var(--bg);border:1px solid var(--ink);transition:transform .24s var(--ease)}
.tl-dot.is-current{background:var(--ci);border-color:var(--ci);box-shadow:0 0 0 5px rgba(184,69,47,.12)}
.tl-item:hover .tl-dot{transform:scale(1.15)}
.tl-date{font-size:12px;letter-spacing:.08em;color:var(--ci);margin-bottom:8px}
.tl-time{font-size:13px;color:var(--text2);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.tl-title{font-size:17px;line-height:1.5;margin:8px 0 8px;color:var(--text);transition:color .24s var(--ease)}
@media(min-width:1024px){.tl-title{font-size:18px}}
.tl-item:hover .tl-title{color:var(--ink)}
.tl-desc{font-size:14px;color:var(--text2);line-height:1.8;max-width:620px}
.tl-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.pill{display:inline-flex;align-items:center;font-size:12px;line-height:1;padding:6px 12px;border-radius:var(--r-pill);background:var(--sand);color:var(--ink);white-space:nowrap}
.pill-line{background:rgba(15,59,52,.08)}

/* 亮点错位网格 */
.spots-grid{display:grid;grid-template-columns:1fr;gap:28px;margin-top:36px}
@media(min-width:768px){.spots-grid{grid-template-columns:1fr 1fr;gap:32px}}
.spots-left{display:flex;flex-direction:column;gap:32px}
.spots-right{margin-top:0}
@media(min-width:768px){.spots-right{margin-top:44px}}
.spot-card{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--bg);transition:transform .24s var(--ease)}
.spot-card:hover{transform:translateY(-2px)}
.spot-media{position:relative;overflow:hidden;background:rgba(15,59,52,.06)}
.spot-media.ratio-32{aspect-ratio:3/2}
.spot-media.ratio-45{aspect-ratio:4/5}
.spot-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.spot-card:hover .spot-media img{transform:scale(1.03)}
.spot-meta{position:absolute;left:0;right:0;bottom:0;padding:22px 18px 14px;background:linear-gradient(180deg,rgba(16,35,31,0) 0%,rgba(16,35,31,.68) 100%);color:#FAF7F2}
.spot-name{font-family:var(--serif);font-size:16px;letter-spacing:.02em}
.spot-role{font-size:12px;color:rgba(250,247,242,.78);margin-top:4px}

/* 票种 */
.tier-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:36px}
@media(min-width:768px){.tier-grid{grid-template-columns:repeat(3,1fr);gap:0}}
.tier-card{border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg);display:flex;flex-direction:column;position:relative;overflow:hidden}
@media(min-width:768px){
  .tier-card{border-radius:0;margin-left:-1px}
  .tier-card:first-child{border-radius:var(--r-card) 0 0 var(--r-card);margin-left:0}
  .tier-card:last-child{border-radius:0 var(--r-card) var(--r-card) 0}
  .tier-card:nth-child(even){background:rgba(232,220,200,.4)}
}
.tier-card.is-featured{border-color:var(--ink);z-index:2}
.tier-flag{background:var(--ink);color:var(--bg);font-size:12px;letter-spacing:.1em;text-align:center;padding:6px 0}
.tier-body{padding:26px 22px 0}
.tier-name{font-family:var(--serif);font-size:20px;color:var(--text);display:block}
.tier-note{font-size:13px;color:var(--text2);margin-top:8px;display:block;line-height:1.7;min-height:44px}
.tier-list{list-style:none;margin:20px 0 0;padding:0}
.tier-list li{display:flex;align-items:center;gap:10px;min-height:42px;font-size:14px;color:var(--text);border-top:1px solid var(--line)}
.tier-list li i{font-size:12px;width:14px;flex:0 0 14px}
.tier-list li.yes i{color:var(--ink)}
.tier-list li.no i{color:rgba(92,90,84,.5)}
.tier-list li.no{color:var(--text2)}
.tier-foot{padding:24px 22px 26px;margin-top:auto}

/* 报名 */
.signup{background:var(--ink-deep);color:var(--bg);padding:64px 0}
@media(min-width:1024px){.signup{padding:88px 0}}
.signup-grid{display:grid;grid-template-columns:1fr;gap:40px}
@media(min-width:1024px){.signup-grid{grid-template-columns:1fr 1fr;gap:72px;align-items:start}}
.signup h2{font-size:clamp(24px,3.4vw,32px);line-height:1.35;color:var(--bg)}
.signup-desc{font-size:15px;line-height:1.9;color:rgba(250,247,242,.72);margin-top:18px;max-width:460px}
.signup-points{list-style:none;margin:28px 0 0;padding:0}
.signup-points li{display:flex;gap:12px;font-size:14px;color:rgba(250,247,242,.8);padding:9px 0;line-height:1.7}
.signup-points li i{color:var(--sand);font-size:12px;margin-top:8px}
.form-row{display:grid;grid-template-columns:1fr;gap:0}
@media(min-width:640px){.form-row.two{grid-template-columns:1fr 1fr;gap:0 20px}}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:26px}
.field label{font-size:13px;letter-spacing:.06em;color:rgba(250,247,242,.66)}
.field .req{color:var(--ci)}
.field input,.field select{background:transparent;border:0;border-bottom:1px solid rgba(250,247,242,.26);color:var(--bg);height:48px;padding:0 2px;outline:none;transition:border-color .24s var(--ease),transform .24s var(--ease);width:100%}
.field select option{color:#1A1A18}
.field input::placeholder{color:rgba(250,247,242,.34)}
.field input:focus,.field select:focus{border-bottom-color:var(--sand);transform:translateY(1px)}
.field .err{font-size:12px;color:#E8DCC8;display:none}
.field.has-error input,.field.has-error select{border-bottom-color:var(--ci)}
.field.has-error .err{display:block}
.form-note{font-size:12px;color:rgba(250,247,242,.45);margin-top:14px;line-height:1.8}
.form-ok{display:none;margin-top:18px;font-size:14px;color:var(--sand);border-left:2px solid var(--sand);padding-left:12px;line-height:1.8}
.form-ok.is-on{display:block}

/* 最新信息 */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-bottom:20px;border-bottom:1px solid var(--line)}
.news-grid{display:grid;grid-template-columns:1fr;margin-top:0}
@media(min-width:768px){.news-grid{grid-template-columns:1fr 1fr}}
.news-card{display:block;padding:28px 0;border-bottom:1px solid var(--line);transition:transform .24s var(--ease),background .24s var(--ease)}
@media(min-width:768px){
  .news-card{padding:32px 24px}
  .news-card:nth-child(odd){padding-left:0;border-right:1px solid var(--line)}
  .news-card:nth-child(even){padding-right:0}
}
.news-card:hover{transform:translateY(-2px)}
.news-thumb{aspect-ratio:16/10;border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;background:rgba(15,59,52,.06);margin-bottom:18px}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-title{font-size:17px;line-height:1.55;color:var(--text);transition:color .24s var(--ease);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
@media(min-width:1024px){.news-title{font-size:18px}}
.news-card:hover .news-title{color:var(--ink)}
.news-sum{font-size:14px;color:var(--text2);line-height:1.8;margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:16px;font-size:13px;color:var(--text2);font-variant-numeric:tabular-nums}
.news-foot .go{color:var(--ink);display:inline-flex;align-items:center;gap:6px}
.news-foot .go i{transition:transform .24s var(--ease);font-size:11px}
.news-card:hover .news-foot .go i{transform:translateX(4px)}
.news-empty{border:1px dashed var(--line-strong);border-radius:var(--r-card);padding:56px 20px;text-align:center;background:var(--bg)}
.news-empty p{font-size:14px;color:var(--text2)}
.news-empty a{display:inline-block;margin-top:12px;font-size:14px;color:var(--ink);border-bottom:1px solid var(--line-strong);padding-bottom:2px;transition:border-color .24s var(--ease)}
.news-empty a:hover{border-bottom-color:var(--ci)}

/* FAQ */
.faq-wrap{max-width:760px;margin:36px auto 0}
.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:center;justify-content:space-between;gap:20px;padding:22px 2px;font-size:16px;color:var(--text);line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--ink)}
.faq-icon{flex:0 0 auto;width:16px;height:16px;position:relative;color:var(--ink)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;transition:transform .24s var(--ease),opacity .24s var(--ease)}
.faq-icon::before{left:0;top:7.5px;width:16px;height:1px}
.faq-icon::after{left:7.5px;top:0;width:1px;height:16px}
.faq-item[open] .faq-icon::after{transform:rotate(45deg);opacity:0}
.faq-answer{padding:0 2px 26px;font-size:15px;line-height:1.9;color:var(--text2);max-width:660px}

/* 页脚 */
.site-footer{background:var(--ink-deep);color:rgba(250,247,242,.8);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1.3fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#FAF7F2}
.footer-brand svg{width:26px;height:26px;flex:0 0 26px;color:var(--sand)}
.footer-brand span{font-family:var(--serif);font-size:16px;letter-spacing:.02em}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(250,247,242,.62);margin-top:16px;max-width:320px}
.footer-title{font-size:13px;letter-spacing:.14em;color:rgba(250,247,242,.5);margin-bottom:14px}
.footer-link{display:block;font-size:14px;color:rgba(250,247,242,.8);padding:6px 0;transition:color .24s var(--ease)}
.footer-link:hover{color:#FAF7F2;text-decoration:underline;text-underline-offset:3px}
.footer-info{font-size:14px;color:rgba(250,247,242,.72);line-height:1.9}
.footer-bottom{border-top:1px solid rgba(250,247,242,.14);margin-top:52px;padding:22px 0;display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;font-size:13px;color:rgba(250,247,242,.5)}

/* 动效 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --brand:#0F3B34;
  --brand-deep:#10231F;
  --sand:#E8DCC8;
  --cinnabar:#B8452F;
  --bg:#FAF7F2;
  --bg-2:#F2EDE4;
  --ink:#1A1A18;
  --ink-2:#5C5A54;
  --line:rgba(16,35,31,.12);
  --radius-card:4px;
  --radius-img:2px;
  --radius-btn:2px;
  --ease:cubic-bezier(.2,.6,.2,1);
  --shadow-pop:0 12px 32px rgba(16,35,31,.10);
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
  --sans:"HarmonyOS Sans","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --space-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),border-color .22s var(--ease)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;letter-spacing:.01em;color:var(--ink)}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.container-x{max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:640px){.container-x{padding-left:32px;padding-right:32px}}
@media(min-width:1024px){.container-x{padding-left:48px;padding-right:48px}}

/* ---------- 顶部细信息条 ---------- */
.top-strip{background:var(--bg-2);border-bottom:1px solid var(--line);font-size:14px;color:var(--ink-2)}
.top-strip .inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;padding-top:6px;padding-bottom:6px}
.top-strip a{color:var(--brand);border-bottom:1px solid transparent}
.top-strip a:hover{border-bottom-color:var(--brand)}
.top-strip .strip-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--bg);border-bottom:1px solid transparent;transition:background-color .24s var(--ease),border-color .24s var(--ease)}
.site-header.is-scrolled{background:rgba(250,247,242,.92);backdrop-filter:blur(10px);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:60px}
@media(min-width:1024px){.header-inner{height:72px}}
.brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:500;letter-spacing:.02em;color:var(--ink)}
.brand svg{width:26px;height:26px;color:var(--brand);flex:none}
.brand span{white-space:nowrap}
@media(min-width:640px){.brand{font-size:16px}}
.nav-list{display:none}
@media(min-width:1024px){
  .nav-list{display:flex;align-items:center;gap:30px}
}
.nav-link{position:relative;font-size:14px;color:var(--ink-2);padding:6px 0}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px}
.header-cta{display:none;align-items:center;height:38px;padding:0 18px;border:1px solid var(--brand);border-radius:var(--radius-btn);color:var(--brand);font-size:14px;font-weight:500}
.header-cta:hover{background:rgba(232,220,200,.6)}
@media(min-width:640px){.header-cta{display:inline-flex}}
.nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;align-items:center}
.nav-toggle span{display:block;width:20px;height:1px;background:var(--ink);transition:transform .24s var(--ease),opacity .24s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media(min-width:1024px){.nav-toggle{display:none}}
.mobile-panel{overflow:hidden;max-height:0;background:var(--bg);border-bottom:1px solid transparent;transition:max-height .24s var(--ease),border-color .24s var(--ease)}
.mobile-panel.is-open{max-height:360px;border-bottom-color:var(--line)}
.mobile-panel ul{padding:8px 0 18px}
.mobile-panel li{border-bottom:1px solid var(--line)}
.mobile-panel li:last-child{border-bottom:0}
.mobile-panel a{display:block;padding:14px 0;font-family:var(--serif);font-size:20px;color:var(--ink)}
@media(min-width:1024px){.mobile-panel{display:none}}

/* ---------- 阅读进度 ---------- */
.read-progress{position:fixed;top:0;left:0;height:2px;width:0;background:var(--brand);z-index:80;transition:width .1s linear}
@media(max-width:1023px){.read-progress{display:none}}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-2)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:rgba(16,35,31,.35)}
.crumb .current{color:var(--ink)}

/* ---------- 文章头 ---------- */
.article-header{padding:26px 0 0}
.article-head-inner{max-width:820px}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--sand);color:var(--brand);font-size:12px;letter-spacing:.08em}
.article-title{font-size:clamp(26px,3.6vw,40px);line-height:1.3;margin:18px 0 0;letter-spacing:.01em}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--ink-2)}
.article-meta .dot{color:rgba(16,35,31,.3)}
.article-divider{max-width:820px;height:1px;background:var(--line);margin:26px 0 0}

/* ---------- 正文 ---------- */
.article-wrap{padding:44px 0 0}
.article-body{max-width:720px;margin:0 auto;font-size:17px;line-height:1.95;color:#26251F}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.4em}
.article-body h2{font-size:24px;line-height:1.45;margin:2.4em 0 .8em;color:var(--ink)}
.article-body h2::before{content:"";display:block;width:32px;height:2px;background:var(--brand);margin-bottom:16px}
.article-body h3{font-size:19px;line-height:1.5;margin:1.9em 0 .6em;color:var(--ink)}
.article-body h4{font-size:17px;margin:1.6em 0 .5em}
.article-body ul{margin:0 0 1.4em;padding-left:0}
.article-body ul li{position:relative;padding-left:20px;margin:.45em 0}
.article-body ul li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;background:var(--cinnabar)}
.article-body ol{margin:0 0 1.4em;padding-left:22px}
.article-body ol li{margin:.45em 0}
.article-body blockquote{margin:1.8em 0;padding:16px 22px;border-left:2px solid var(--brand);background:rgba(232,220,200,.4);color:var(--ink-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{max-width:100%;height:auto;border-radius:var(--radius-img);border:1px solid var(--line);margin:1.6em auto}
.article-body figure{margin:1.8em 0}
.article-body figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:10px}
.article-body a{color:var(--brand);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.article-body a:hover{text-decoration-color:var(--cinnabar)}
.article-body strong{font-weight:600;color:var(--ink)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:12px 10px;text-align:left}
.article-body th{background:rgba(232,220,200,.4);font-weight:600;color:var(--brand)}

/* ---------- 空态 ---------- */
.empty-state{max-width:720px;margin:0 auto;border:1px dashed var(--line);background:rgba(242,237,228,.6);border-radius:var(--radius-card);padding:48px 24px;text-align:center}
.empty-state p{font-size:14px;color:var(--ink-2);margin-bottom:12px}
.empty-state a{font-size:14px;color:var(--brand);border-bottom:1px solid var(--brand);padding-bottom:2px}

/* ---------- 标签组 ---------- */
.article-foot{max-width:720px;margin:0 auto;padding-top:40px}
.hair-line{height:1px;background:var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;padding:22px 0 0}
.tag-row a{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;background:rgba(15,59,52,.08);color:var(--brand);font-size:12px;letter-spacing:.08em}
.tag-row a:hover{background:var(--sand)}

/* ---------- 相关推荐 ---------- */
.related{padding:64px 0 0}
.related-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;max-width:820px;margin:0 auto 28px}
.section-title{font-size:24px;line-height:1.4}
.section-title-sm{font-size:14px;color:var(--ink-2);font-family:var(--sans)}
.related-grid{max-width:820px;margin:0 auto;display:grid;grid-template-columns:1fr;gap:1px;background:var(--line);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media(min-width:768px){.related-grid{grid-template-columns:repeat(3,1fr)}}
.related-card{display:block;background:var(--bg);padding:22px 20px;transition:background-color .22s var(--ease)}
.related-card:hover{background:var(--bg-2)}
.related-card .kicker{font-size:12px;letter-spacing:.08em;color:var(--ink-2)}
.related-card h3{font-size:17px;line-height:1.5;margin:10px 0 14px;transition:color .22s var(--ease)}
.related-card:hover h3{color:var(--brand)}
.related-card .arrow{font-size:14px;color:var(--brand);transition:transform .24s var(--ease);display:inline-block}
.related-card:hover .arrow{transform:translateX(4px)}
.back-link{display:flex;justify-content:center;padding:34px 0 0}
.back-link a{font-size:14px;color:var(--ink-2)}
.back-link a:hover{color:var(--brand)}

/* ---------- CTA 通栏 ---------- */
.cta-band{margin-top:var(--space-y);background:var(--brand-deep);color:#FAF7F2;padding:72px 0}
@media(min-width:1024px){.cta-band{padding:88px 0}}
.cta-inner{display:flex;flex-direction:column;gap:28px}
@media(min-width:900px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:48px}}
.cta-inner h2{color:#FAF7F2;font-size:clamp(24px,3vw,32px);line-height:1.35;max-width:16em}
.cta-inner p{color:rgba(250,247,242,.75);font-size:15px;margin-top:14px;max-width:32em}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 24px;border-radius:var(--radius-btn);font-size:14px;font-weight:500;transition:background-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease)}
.btn .arrow{transition:transform .24s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}
.btn-light{background:#FAF7F2;color:var(--brand-deep);white-space:nowrap}
.btn-light:hover{background:var(--sand)}
.btn-primary{background:var(--brand);color:#FAF7F2}
.btn-primary:hover{background:var(--brand-deep)}
.btn-ghost{border:1px solid var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(232,220,200,.6)}
@media(max-width:639px){.btn{width:100%}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(250,247,242,.8);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#FAF7F2;font-size:16px;font-weight:500;letter-spacing:.02em;font-family:var(--serif)}
.footer-brand svg{width:26px;height:26px;color:#E8DCC8;flex:none}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(250,247,242,.72);max-width:26em}
.footer-title{font-size:13px;letter-spacing:.12em;color:rgba(250,247,242,.6);margin-bottom:16px}
.footer-link{display:block;font-size:14px;color:rgba(250,247,242,.8);padding:6px 0;border-bottom:1px solid transparent}
.footer-link:hover{color:#FAF7F2;border-bottom-color:rgba(250,247,242,.5)}
.footer-info{font-size:14px;color:rgba(250,247,242,.72);padding:6px 0;line-height:1.7}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;margin-top:44px;padding-top:22px;border-top:1px solid rgba(250,247,242,.16);font-size:13px;color:rgba(250,247,242,.6)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
    --ink:#0F3B34;
    --ink-deep:#10231F;
    --sand:#E8DCC8;
    --cinnabar:#B8452F;
    --cinnabar-soft:#E08A72;
    --bg:#FAF7F2;
    --bg-alt:#F2EDE4;
    --text:#1A1A18;
    --text-sub:#5C5A54;
    --line:rgba(16,35,31,.12);
    --r-card:4px;
    --r-img:2px;
    --r-btn:2px;
    --ease:cubic-bezier(.2,.6,.2,1);
  }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,select{font-family:inherit;font-size:inherit;color:inherit;}
  ::selection{background:rgba(232,220,200,.9);color:var(--ink-deep);}

  .serif{font-family:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;}

  .container-x{
    width:100%;
    max-width:1240px;
    margin:0 auto;
    padding:0 20px;
  }
  @media (min-width:768px){ .container-x{padding:0 32px;} }
  @media (min-width:1024px){ .container-x{padding:0 48px;} }

  /* ---------- header ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:transparent;
    border-bottom:1px solid transparent;
    transition:background .26s var(--ease),border-color .26s var(--ease);
  }
  .site-header.is-scrolled{
    background:rgba(250,247,242,.9);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border-bottom-color:var(--line);
  }
  .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    height:60px;
  }
  @media (min-width:1024px){ .header-inner{height:72px;} }

  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    flex:none;
    color:var(--ink);
    font-family:"Noto Serif SC","Songti SC",serif;
    font-size:15px;
    font-weight:500;
    letter-spacing:.02em;
    line-height:1.2;
  }
  .brand svg{width:26px;height:26px;flex:none;}

  .nav-list{
    display:none;
    align-items:center;
    gap:30px;
    list-style:none;
    margin:0;
    padding:0;
  }
  .nav-link{
    position:relative;
    display:inline-block;
    padding:6px 0;
    font-size:14px;
    color:var(--text-sub);
    transition:color .22s var(--ease);
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:0;
    bottom:0;
    width:0;
    height:2px;
    background:var(--ink);
    transition:width .24s var(--ease);
  }
  .nav-link:hover{color:var(--ink);}
  .nav-link:hover::after{width:100%;}
  .nav-link:focus-visible{
    outline:2px solid var(--ink);
    outline-offset:3px;
    border-radius:2px;
  }
  .nav-link.is-active{color:var(--ink);font-weight:500;}
  .nav-link.is-active::after{width:100%;}
  .nav-link.is-active::before{
    content:"";
    position:absolute;
    left:-12px;
    top:50%;
    width:5px;
    height:5px;
    margin-top:-2.5px;
    border-radius:50%;
    background:var(--cinnabar);
  }

  .header-actions{display:flex;align-items:center;gap:10px;flex:none;}
  .header-cta{
    display:none;
    align-items:center;
    height:38px;
    padding:0 18px;
    border-radius:var(--r-btn);
    background:var(--ink);
    color:#FAF7F2;
    font-size:14px;
    font-weight:500;
    transition:background .24s var(--ease);
  }
  .header-cta:hover{background:#0a2b26;}
  .header-cta:focus-visible{outline:2px solid var(--ink);outline-offset:2px;}
  @media (min-width:1024px){ .header-cta{display:inline-flex;} }

  .nav-toggle{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:44px;
    height:44px;
    padding:0;
    border:0;
    background:transparent;
    cursor:pointer;
    color:var(--ink);
  }
  .nav-toggle span{
    position:relative;
    display:block;
    width:20px;
    height:1px;
    background:currentColor;
    transition:transform .24s var(--ease),opacity .2s var(--ease);
  }
  .nav-toggle span+span{margin-top:6px;}
  .nav-toggle.is-open span:first-child{transform:translateY(3.5px) rotate(45deg);}
  .nav-toggle.is-open span:last-child{transform:translateY(-3.5px) rotate(-45deg);}
  .nav-toggle:focus-visible{outline:2px solid var(--ink);outline-offset:2px;}

  @media (max-width:1023px){
    .nav-list{
      position:fixed;
      left:0;
      right:0;
      top:60px;
      display:none;
      flex-direction:column;
      align-items:stretch;
      gap:0;
      padding:8px 20px 32px;
      background:var(--bg);
      border-bottom:1px solid var(--line);
      max-height:calc(100vh - 60px);
      overflow-y:auto;
    }
    .nav-list.is-open{display:flex;}
    .nav-list li{border-bottom:1px solid var(--line);}
    .nav-list li:last-child{border-bottom:0;}
    .nav-link{
      display:block;
      padding:18px 0;
      font-family:"Noto Serif SC","Songti SC",serif;
      font-size:19px;
    }
    .nav-link::after{display:none;}
    .nav-link.is-active::before{left:auto;right:4px;}
  }
  @media (min-width:1024px){
    .nav-list{display:flex;}
    .nav-toggle{display:none;}
  }

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:48px;
    padding:0 24px;
    border:1px solid transparent;
    border-radius:var(--r-btn);
    font-size:14px;
    font-weight:500;
    letter-spacing:.02em;
    cursor:pointer;
    transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
  }
  .btn:focus-visible{outline:2px solid var(--ink);outline-offset:2px;}
  .btn-primary{background:var(--ink);color:#FAF7F2;}
  .btn-primary:hover{background:#0a2b26;}
  .btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
  .btn-ghost:hover{background:rgba(232,220,200,.6);}
  .btn-light{background:#FAF7F2;color:var(--ink-deep);}
  .btn-light:hover{background:var(--sand);}
  .btn-text{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:14px;
    color:var(--ink);
    padding:6px 0;
    border-bottom:1px solid transparent;
    transition:border-color .24s var(--ease);
  }
  .btn-text:hover{border-bottom-color:var(--ink);}
  .btn-text:focus-visible{outline:2px solid var(--ink);outline-offset:3px;}
  .btn-arrow{display:inline-block;transition:transform .24s var(--ease);}
  .btn:hover .btn-arrow{transform:translateX(4px);}

  .cta-row{display:flex;flex-wrap:wrap;gap:16px;align-items:center;}
  @media (max-width:639px){
    .cta-row{flex-direction:column;align-items:stretch;}
    .cta-row .btn{width:100%;}
    .cta-row .btn-text{justify-content:center;}
  }

  /* ---------- hero ---------- */
  .hero{padding:44px 0 0;}
  @media (min-width:1024px){ .hero{padding:64px 0 0;} }
  .hero-grid{display:grid;grid-template-columns:1fr;gap:36px;}
  @media (min-width:1024px){
    .hero-grid{grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
  }
  .hero-title{
    margin:0 0 20px;
    font-family:"Noto Serif SC","Songti SC",serif;
    font-weight:600;
    font-size:clamp(32px,6.4vw,56px);
    line-height:1.18;
    letter-spacing:.01em;
    color:var(--ink-deep);
  }
  .hero-title em{font-style:normal;color:var(--ink);}
  .hero-sub{
    margin:0 0 30px;
    font-size:clamp(16px,4vw,20px);
    line-height:1.75;
    color:var(--text-sub);
    max-width:34em;
  }
  .hero-media{
    position:relative;
    aspect-ratio:4/5;
    overflow:hidden;
    border:1px solid var(--line);
    border-radius:var(--r-img);
    background:rgba(15,59,52,.08);
  }
  .hero-media img{width:100%;height:100%;object-fit:cover;}
  .hero-media::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,rgba(250,247,242,.18) 0%,rgba(250,247,242,0) 45%);
    pointer-events:none;
  }
  .hero-media-tag{
    position:absolute;
    left:16px;
    bottom:16px;
    z-index:2;
    display:inline-flex;
    align-items:center;
    height:28px;
    padding:0 14px;
    border-radius:999px;
    background:rgba(250,247,242,.92);
    color:var(--ink);
    font-size:12px;
    letter-spacing:.08em;
  }

  .hero-stats{
    margin-top:44px;
    padding-top:26px;
    border-top:1px solid var(--line);
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:24px 28px;
  }
  @media (min-width:768px){ .hero-stats{grid-template-columns:repeat(3,1fr);} }
  .stat-num{
    font-family:"Noto Serif SC","Songti SC",serif;
    font-size:clamp(26px,5vw,34px);
    line-height:1.1;
    color:var(--ink);
    font-variant-numeric:tabular-nums;
  }
  .stat-label{margin-top:6px;font-size:13px;color:var(--text-sub);}

  /* ---------- sections ---------- */
  .section{padding:64px 0;}
  @media (min-width:1024px){ .section{padding:104px 0;} }
  .section-alt{background:var(--bg-alt);}
  .sec-head{margin-bottom:32px;}
  @media (min-width:1024px){ .sec-head{margin-bottom:48px;} }
  .sec-eyebrow{
    margin:0 0 12px;
    font-size:12px;
    letter-spacing:.18em;
    color:var(--cinnabar);
  }
  .sec-title{
    margin:0 0 14px;
    font-family:"Noto Serif SC","Songti SC",serif;
    font-weight:600;
    font-size:clamp(23px,4.4vw,34px);
    line-height:1.32;
    color:var(--ink-deep);
  }
  .sec-lead{
    margin:0;
    font-size:16px;
    line-height:1.8;
    color:var(--text-sub);
    max-width:46em;
  }

  /* ---------- day bar ---------- */
  .daybar{
    display:flex;
    gap:0;
    overflow-x:auto;
    border-bottom:1px solid var(--line);
    scrollbar-width:none;
  }
  .daybar::-webkit-scrollbar{display:none;}
  .daybar a{
    position:relative;
    flex:none;
    margin-right:30px;
    padding:14px 2px;
    font-size:14px;
    color:var(--text-sub);
    white-space:nowrap;
    transition:color .22s var(--ease);
  }
  .daybar a:hover{color:var(--ink);}
  .daybar a.is-active{color:var(--ink);font-weight:500;}
  .daybar a.is-active::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:-1px;
    height:2px;
    background:var(--ink);
  }
  .daybar a:focus-visible{outline:2px solid var(--ink);outline-offset:3px;}

  /* ---------- timeline ---------- */
  .timeline{margin-top:8px;}
  .tl-item{
    position:relative;
    display:grid;
    grid-template-columns:1fr;
    gap:12px;
    padding:24px 0;
    border-bottom:1px solid var(--line);
  }
  .tl-item:first-child{padding-top:8px;}
  .tl-item:last-child{border-bottom:0;}
  @media (min-width:900px){
    .tl-item{grid-template-columns:110px 28px 1fr;gap:0 20px;padding:28px 0;align-items:start;}
  }
  .tl-date{font-family:"Noto Serif SC","Songti SC",serif;color:var(--ink);}
  @media (min-width:900px){ .tl-date{text-align:right;padding-top:2px;} }
  .tl-day{
    display:inline-block;
    font-size:30px;
    line-height:1;
    font-variant-numeric:tabular-nums;
  }
  @media (min-width:900px){ .tl-day{display:block;font-size:34px;} }
  .tl-month{
    display:inline-block;
    margin-left:8px;
    font-size:12px;
    letter-spacing:.1em;
    color:var(--text-sub);
  }
  @media (min-width:900px){ .tl-month{display:block;margin:6px 0 0;} }
  .tl-rail{display:none;}
  @media (min-width:900px){
    .tl-rail{display:block;position:relative;align-self:stretch;}
    .tl-rail::before{
      content:"";
      position:absolute;
      left:50%;
      top:6px;
      bottom:-28px;
      width:1px;
      background:rgba(15,59,52,.18);
      transform:translateX(-50%);
    }
    .tl-item:last-child .tl-rail::before{display:none;}
    .tl-dot{
      position:absolute;
      left:50%;
      top:8px;
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--ink);
      transform:translateX(-50%);
      transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease);
    }
    .tl-item:hover .tl-dot{transform:translateX(-50%) scale(1.15);}
    .tl-item.is-now .tl-dot{
      background:var(--cinnabar);
      box-shadow:0 0 0 6px rgba(184,69,47,.14);
    }
  }
  .tl-time{
    margin:0 0 8px;
    font-size:13px;
    letter-spacing:.04em;
    color:var(--text-sub);
    font-variant-numeric:tabular-nums;
  }
  .tl-title{
    margin:0 0 8px;
    font-family:"Noto Serif SC","Songti SC",serif;
    font-weight:600;
    font-size:17px;
    line-height:1.55;
    color:var(--ink-deep);
    transition:color .22s var(--ease);
  }
  .tl-item:hover .tl-title{color:var(--ink);}
  .tl-desc{
    margin:0 0 14px;
    font-size:14px;
    line-height:1.85;
    color:var(--text-sub);
    max-width:54em;
  }
  .tl-tags{display:flex;flex-wrap:wrap;gap:8px;}

  .badge{
    display:inline-flex;
    align-items:center;
    height:24px;
    padding:0 12px;
    border-radius:999px;
    background:var(--sand);
    color:var(--ink);
    font-size:12px;
    letter-spacing:.04em;
    white-space:nowrap;
  }
  .badge-plain{background:rgba(15,59,52,.07);color:var(--text-sub);}
  .badge-red{background:rgba(184,69,47,.12);color:var(--cinnabar);}

  /* ---------- split block ---------- */
  .split{display:grid;grid-template-columns:1fr;gap:32px;}
  @media (min-width:1024px){
    .split{grid-template-columns:5fr 6fr;gap:56px;align-items:center;}
  }
  .split-media{
    overflow:hidden;
    border:1px solid var(--line);
    border-radius:var(--r-img);
    aspect-ratio:3/2;
    background:rgba(15,59,52,.08);
  }
  .split-media img{width:100%;height:100%;object-fit:cover;}
  .split-list{
    list-style:none;
    margin:28px 0 0;
    padding:0;
    border-top:1px solid var(--line);
  }
  .split-list li{
    display:grid;
    grid-template-columns:88px 1fr;
    gap:16px;
    padding:18px 0;
    border-bottom:1px solid var(--line);
  }
  .split-list .k{
    font-size:13px;
    color:var(--cinnabar);
    letter-spacing:.06em;
  }
  .split-list .v{
    font-size:14.5px;
    line-height:1.8;
    color:var(--text-sub);
  }
  .split-list .v strong{
    display:block;
    font-family:"Noto Serif SC","Songti SC",serif;
    font-weight:500;
    font-size:16px;
    color:var(--ink-deep);
    margin-bottom:4px;
  }

  /* ---------- dark panel ---------- */
  .dark-panel{
    background:var(--ink-deep);
    color:rgba(250,247,242,.86);
    border-radius:var(--r-card);
    padding:36px 22px;
  }
  @media (min-width:1024px){ .dark-panel{padding:56px;} }
  .dark-panel .sec-title{color:#FAF7F2;}
  .dark-panel .sec-lead{color:rgba(250,247,242,.72);}
  .dark-grid{display:grid;grid-template-columns:1fr;gap:32px;}
  @media (min-width:1024px){ .dark-grid{grid-template-columns:5fr 6fr;gap:56px;} }
  .dark-list{list-style:none;margin:0;padding:0;}
  .dark-list li{
    display:grid;
    grid-template-columns:1fr;
    gap:6px;
    padding:16px 0;
    border-top:1px solid rgba(250,247,242,.16);
  }
  @media (min-width:640px){
    .dark-list li{grid-template-columns:96px 1fr;gap:16px;align-items:baseline;}
  }
  .dark-list .k{
    font-size:12px;
    letter-spacing:.12em;
    color:rgba(250,247,242,.55);
  }
  .dark-list .v{font-size:14.5px;line-height:1.8;color:rgba(250,247,242,.84);}

  /* ---------- faq ---------- */
  .faq-list{max-width:720px;margin:0 auto;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:20px 0;
    font-size:16px;
    line-height:1.6;
    color:var(--ink-deep);
    cursor:pointer;
    list-style:none;
    transition:color .22s var(--ease);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--ink);}
  .faq-item summary:focus-visible{outline:2px solid var(--ink);outline-offset:3px;}
  .faq-plus{
    flex:none;
    display:inline-block;
    font-size:20px;
    line-height:1;
    color:var(--ink);
    transition:transform .24s var(--ease);
  }
  .faq-item[open] .faq-plus{transform:rotate(45deg);}
  .faq-answer{
    padding:0 0 22px;
    font-size:15px;
    line-height:1.9;
    color:var(--text-sub);
    max-width:62ch;
  }

  /* ---------- cta band ---------- */
  .cta-band{background:var(--ink-deep);color:#FAF7F2;padding:56px 0;}
  @media (min-width:1024px){ .cta-band{padding:88px 0;} }
  .cta-grid{display:grid;grid-template-columns:1fr;gap:40px;}
  @media (min-width:1024px){ .cta-grid{grid-template-columns:5fr 6fr;gap:64px;align-items:center;} }
  .cta-band h2{
    margin:0 0 16px;
    font-family:"Noto Serif SC","Songti SC",serif;
    font-weight:600;
    font-size:clamp(22px,4.2vw,32px);
    line-height:1.35;
    color:#FAF7F2;
  }
  .cta-band p{margin:0;font-size:15px;line-height:1.85;color:rgba(250,247,242,.72);max-width:32em;}
  .form-grid{display:grid;grid-template-columns:1fr;gap:0 24px;}
  @media (min-width:640px){ .form-grid{grid-template-columns:1fr 1fr;} }
  .field{margin-bottom:26px;grid-column:span 1;}
  .field.full{grid-column:1 / -1;}
  .field label{
    display:block;
    margin-bottom:10px;
    font-size:12px;
    letter-spacing:.12em;
    color:rgba(250,247,242,.6);
  }
  .field .req{color:var(--cinnabar-soft);}
  .field input,
  .field select{
    width:100%;
    min-height:48px;
    padding:12px 0;
    background:transparent;
    border:0;
    border-bottom:1px solid rgba(250,247,242,.28);
    color:#FAF7F2;
    font-size:15px;
    border-radius:0;
    transition:border-color .24s var(--ease);
  }
  .field input::placeholder{color:rgba(250,247,242,.4);}
  .field input:focus,
  .field select:focus{
    outline:none;
    border-bottom-color:#FAF7F2;
  }
  .field select option{color:#1A1A18;}
  .form-note{margin:4px 0 0;font-size:13px;color:rgba(250,247,242,.55);}

  /* ---------- reveal ---------- */
  .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
  .reveal.is-in{opacity:1;transform:none;}
  @media (prefers-reduced-motion:reduce){
    .reveal{opacity:1;transform:none;transition:none;}
    html{scroll-behavior:auto;}
  }

  /* ---------- footer ---------- */
  .site-footer{background:var(--ink-deep);color:rgba(250,247,242,.8);}
  .footer-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:36px;
    padding:56px 0 32px;
  }
  @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;gap:40px;padding:72px 0 40px;} }
  .footer-brand{
    display:flex;
    align-items:center;
    gap:10px;
    margin-bottom:16px;
    color:#FAF7F2;
    font-family:"Noto Serif SC","Songti SC",serif;
    font-size:16px;
    letter-spacing:.02em;
  }
  .footer-brand svg{width:26px;height:26px;flex:none;}
  .footer-desc{
    margin:0;
    max-width:34ch;
    font-size:14px;
    line-height:1.85;
    color:rgba(250,247,242,.68);
  }
  .footer-title{
    margin:0 0 16px;
    font-size:13px;
    letter-spacing:.14em;
    color:#FAF7F2;
  }
  .footer-link{
    display:block;
    padding:6px 0;
    font-size:14px;
    color:rgba(250,247,242,.72);
    transition:color .2s var(--ease);
  }
  .footer-link:hover{
    color:#FAF7F2;
    text-decoration:underline;
    text-underline-offset:4px;
  }
  .footer-link:focus-visible{outline:2px solid #FAF7F2;outline-offset:2px;}
  .footer-info{
    margin:0 0 8px;
    font-size:13px;
    line-height:1.9;
    color:rgba(250,247,242,.65);
  }
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    gap:12px;
    padding:20px 0 32px;
    border-top:1px solid rgba(250,247,242,.16);
    font-size:13px;
    color:rgba(250,247,242,.6);
  }

/* roulang page: category2 */
:root{
    --ink:#0F3B34;
    --ink-deep:#10231F;
    --sand:#E8DCC8;
    --cinnabar:#B8452F;
    --paper:#FAF7F2;
    --paper-2:#F2EDE4;
    --text:#1A1A18;
    --muted:#5C5A54;
    --line:rgba(16,35,31,.12);
    --radius:4px;
    --radius-img:2px;
    --ease:cubic-bezier(.2,.6,.2,1);
    --serif:"Noto Serif SC","Songti SC","SimSun",serif;
    --sans:"HarmonyOS Sans","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  }

  *{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--paper);
    color:var(--text);
    font-family:var(--sans);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input,select{font:inherit;color:inherit}
  h1,h2,h3,h4,p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  .num{font-variant-numeric:tabular-nums}

  .container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.container-x{padding:0 32px}}
  @media (min-width:1024px){.container-x{padding:0 48px}}

  .section{padding:64px 0}
  @media (min-width:1024px){.section{padding:104px 0}}

  .eyebrow{
    font-size:13px;letter-spacing:.08em;color:var(--muted);margin-bottom:12px;
  }
  .h2{
    font-family:var(--serif);
    font-size:clamp(24px,3vw,34px);
    line-height:1.3;
    letter-spacing:.01em;
    color:var(--ink);
    font-weight:600;
  }
  .lead{color:var(--muted);font-size:16.5px;line-height:1.9;max-width:660px}
  .rule{height:1px;background:var(--line);border:0;margin:0}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(250,247,242,0);
    border-bottom:1px solid var(--line);
    transition:background .24s var(--ease),border-color .24s var(--ease);
  }
  .site-header.is-scrolled{background:rgba(250,247,242,.94);backdrop-filter:blur(10px)}
  .header-inner{height:60px;display:flex;align-items:center;justify-content:space-between;gap:20px}
  @media (min-width:1024px){.header-inner{height:72px}}
  .brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-family:var(--serif);font-size:15.5px;font-weight:500;letter-spacing:.02em}
  .brand svg{width:26px;height:26px;flex:none;color:var(--ink)}
  .brand span{white-space:nowrap}

  .nav-list{display:none}
  @media (min-width:1024px){
    .nav-list{display:flex;align-items:center;gap:30px}
  }
  .nav-link{
    position:relative;display:inline-block;padding:6px 0;
    font-size:14px;color:var(--muted);
    transition:color .2s var(--ease);
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
    background:var(--ink);transform:scaleX(0);transform-origin:left;
    transition:transform .24s var(--ease);
  }
  .nav-link:hover{color:var(--ink)}
  .nav-link:hover::after{transform:scaleX(1)}
  .nav-link.is-active{color:var(--ink)}
  .nav-link.is-active::after{transform:scaleX(1)}

  .header-actions{display:flex;align-items:center;gap:14px}
  .header-cta{display:none}
  @media (min-width:1024px){.header-cta{display:inline-flex}}
  .menu-toggle{
    display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
    width:44px;height:44px;padding:0 10px;background:transparent;border:0;cursor:pointer;
  }
  .menu-toggle span{display:block;height:1px;background:var(--ink);transition:transform .24s var(--ease),opacity .24s var(--ease)}
  .menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
  @media (min-width:1024px){.menu-toggle{display:none}}

  .mobile-panel{
    display:none;background:var(--paper);border-top:1px solid var(--line);
    max-height:calc(100vh - 60px);overflow-y:auto;
  }
  .mobile-panel.is-open{display:block}
  .mobile-panel li{border-bottom:1px solid var(--line)}
  .mobile-panel a{display:block;padding:18px 20px;font-family:var(--serif);font-size:20px;color:var(--ink)}
  .mobile-panel a.is-active{color:var(--cinnabar)}
  .mobile-panel .panel-cta{padding:20px}
  @media (min-width:1024px){.mobile-panel{display:none !important}}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:var(--radius);
    font-size:14px;font-weight:500;line-height:1;cursor:pointer;
    border:1px solid transparent;
    transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
  }
  .btn .arrow{transition:transform .24s var(--ease)}
  .btn:hover .arrow{transform:translateX(4px)}
  .btn:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

  .btn-primary{background:var(--ink);color:var(--paper)}
  .btn-primary:hover{background:var(--ink-deep)}
  .btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
  .btn-outline:hover{background:rgba(232,220,200,.6)}
  .btn-light{background:var(--paper);color:var(--ink-deep)}
  .btn-light:hover{background:var(--sand)}
  .btn-sm{height:38px;padding:0 16px;font-size:13px}

  .link-text{
    display:inline-flex;align-items:center;gap:6px;
    font-size:14px;color:var(--ink);position:relative;padding-bottom:2px;
  }
  .link-text::after{
    content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
    background:currentColor;transform:scaleX(0);transform-origin:left;
    transition:transform .24s var(--ease);
  }
  .link-text:hover::after{transform:scaleX(1)}
  .link-text:hover .arrow{transform:translateX(4px)}
  .link-text .arrow{transition:transform .24s var(--ease)}
  .link-text:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

  /* ---------- pills ---------- */
  .pill{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 12px;border-radius:999px;
    background:var(--sand);color:var(--ink);
    font-size:12px;letter-spacing:.04em;line-height:1.6;
  }
  .pill-soft{background:rgba(15,59,52,.08)}

  /* ---------- hero ---------- */
  .hero{padding:48px 0 0}
  @media (min-width:1024px){.hero{padding:72px 0 0}}
  .hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:start}
  @media (min-width:1024px){
    .hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px}
  }
  .hero h1{
    font-family:var(--serif);
    font-size:clamp(30px,4.6vw,56px);
    line-height:1.18;
    letter-spacing:.01em;
    color:var(--ink);
    font-weight:600;
  }
  .hero h1 em{font-style:normal;color:var(--cinnabar)}
  .hero-sub{margin-top:22px;font-size:clamp(16px,1.6vw,20px);line-height:1.85;color:var(--muted);max-width:620px}
  .hero-cta{margin-top:32px;display:flex;flex-wrap:wrap;gap:16px;align-items:center}
  .hero-figure{position:relative;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line)}
  .hero-figure img{width:100%;aspect-ratio:5/6;object-fit:cover}
  .hero-figure::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(250,247,242,.55) 0%,rgba(250,247,242,0) 38%);
    pointer-events:none;
  }
  .hero-figure figcaption{
    position:absolute;left:0;bottom:0;right:0;padding:14px 16px;
    font-size:13px;color:var(--ink);background:rgba(250,247,242,.9);border-top:1px solid var(--line);
  }

  /* ---------- stats ---------- */
  .stats{margin-top:56px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0}
  @media (min-width:768px){.stats-grid{grid-template-columns:repeat(4,1fr)}}
  .stat{padding:26px 16px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
  @media (min-width:768px){
    .stat{border-bottom:0;padding:34px 24px}
    .stat:last-child{border-right:0}
  }
  .stat:nth-child(2n){border-right:0}
  @media (min-width:768px){
    .stat:nth-child(2n){border-right:1px solid var(--line)}
  }
  .stat b{display:block;font-family:var(--serif);font-size:30px;line-height:1.2;color:var(--ink);font-weight:600}
  .stat span{display:block;margin-top:6px;font-size:13px;color:var(--muted)}

  /* ---------- index bar ---------- */
  .index-bar{
    display:flex;gap:8px;overflow-x:auto;padding:4px 0 14px;
    -webkit-overflow-scrolling:touch;scrollbar-width:none;
  }
  .index-bar::-webkit-scrollbar{display:none}
  .index-item{
    flex:none;display:inline-flex;align-items:center;gap:8px;
    padding:9px 16px;border:1px solid var(--line);border-radius:999px;
    background:transparent;font-size:14px;color:var(--muted);cursor:pointer;
    transition:color .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
  }
  .index-item::before{
    content:"";width:6px;height:6px;border-radius:50%;background:transparent;
    transition:background .24s var(--ease);
  }
  .index-item:hover{color:var(--ink);border-color:rgba(16,35,31,.28)}
  .index-item.is-active{color:var(--ink);border-color:var(--ink);background:rgba(232,220,200,.45)}
  .index-item.is-active::before{background:var(--cinnabar)}
  .index-item:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

  /* ---------- person grid ---------- */
  .person-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 20px;margin-top:28px}
  @media (min-width:640px){.person-grid{grid-template-columns:repeat(3,1fr);gap:34px 24px}}
  @media (min-width:1024px){.person-grid{grid-template-columns:repeat(4,1fr);gap:44px 24px}}
  .person-card{display:flex;flex-direction:column}
  .person-photo{
    overflow:hidden;border-radius:var(--radius-img);
    background:rgba(15,59,52,.08);border:1px solid var(--line);
  }
  .person-photo img{
    width:100%;aspect-ratio:3/4;object-fit:cover;
    transition:transform .6s var(--ease),opacity .4s var(--ease);
  }
  .person-card:hover .person-photo img{transform:scale(1.03);opacity:.92}
  .person-name{
    margin-top:14px;font-family:var(--serif);font-size:17px;font-weight:600;color:var(--ink);letter-spacing:.01em;
  }
  .person-role{margin-top:4px;font-size:13px;color:var(--muted);line-height:1.7}
  .person-track{margin-top:8px;font-size:12px;letter-spacing:.04em;color:rgba(15,59,52,.7)}
  .person-card:hover .person-name{color:var(--ink-deep)}
  .lineup-count{margin-top:26px;font-size:13px;color:var(--muted)}

  /* ---------- roundtable ---------- */
  .roundtable{background:var(--paper-2)}
  .rt-grid{display:grid;grid-template-columns:1fr;gap:40px}
  @media (min-width:1024px){.rt-grid{grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:64px}}
  .rt-list{border-top:1px solid var(--line)}
  .rt-item{
    display:grid;grid-template-columns:1fr;gap:8px;
    padding:24px 0;border-bottom:1px solid var(--line);
    transition:background .24s var(--ease);
  }
  .rt-item:hover{background:rgba(232,220,200,.3)}
  @media (min-width:768px){
    .rt-item{grid-template-columns:minmax(0,5fr) minmax(0,4fr) minmax(0,3fr);gap:24px;align-items:baseline}
  }
  .rt-title{font-family:var(--serif);font-size:18px;color:var(--ink);font-weight:600}
  .rt-meta{font-size:13.5px;color:var(--muted)}
  .rt-time{font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums}

  /* ---------- steps ---------- */
  .steps{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid var(--line);margin-top:40px}
  @media (min-width:768px){.steps{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.steps{grid-template-columns:repeat(4,1fr)}}
  .step{padding:26px 20px 30px 0;border-bottom:1px solid var(--line)}
  @media (min-width:768px){
    .step{padding:30px 28px 34px 0;border-right:1px solid var(--line)}
    .step:nth-child(2n){border-right:0;padding-right:0}
  }
  @media (min-width:1024px){
    .step{border-right:1px solid var(--line);padding:34px 28px 38px 0}
    .step:nth-child(2n){border-right:1px solid var(--line)}
    .step:last-child{border-right:0;padding-right:0}
  }
  .step-num{
    font-family:var(--serif);font-size:13px;letter-spacing:.08em;color:var(--cinnabar);
  }
  .step h3{margin-top:12px;font-family:var(--serif);font-size:17px;color:var(--ink);font-weight:600}
  .step p{margin-top:8px;font-size:14.5px;color:var(--muted);line-height:1.85}

  /* ---------- highlights ---------- */
  .hl-grid{display:grid;grid-template-columns:1fr;gap:32px;margin-top:44px}
  @media (min-width:1024px){
    .hl-grid{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:start}
  }
  .hl-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper)}
  .hl-card + .hl-card{margin-top:24px}
  .hl-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
  .hl-body{padding:20px 22px 24px}
  .hl-body h3{font-family:var(--serif);font-size:18px;color:var(--ink);font-weight:600}
  .hl-body p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.85}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:760px;margin:44px auto 0}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
    padding:22px 0;font-size:16px;color:var(--text);line-height:1.7;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
  .faq-plus{flex:none;font-size:20px;line-height:1;color:var(--ink);transition:transform .24s var(--ease)}
  .faq-item[open] .faq-plus{transform:rotate(45deg)}
  .faq-item summary:hover{color:var(--ink)}
  .faq-answer{padding:0 0 24px;font-size:15px;line-height:1.9;color:var(--muted);max-width:660px}

  /* ---------- CTA ---------- */
  .cta-band{background:var(--ink-deep);color:var(--paper);padding:64px 0}
  @media (min-width:1024px){.cta-band{padding:88px 0}}
  .cta-grid{display:grid;grid-template-columns:1fr;gap:44px}
  @media (min-width:1024px){.cta-grid{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:80px;align-items:start}}
  .cta-band h2{
    font-family:var(--serif);font-size:clamp(24px,3vw,34px);line-height:1.32;font-weight:600;letter-spacing:.01em;
  }
  .cta-band p{margin-top:18px;font-size:15.5px;line-height:1.9;color:rgba(250,247,242,.78);max-width:520px}
  .cta-points{margin-top:26px}
  .cta-points li{
    padding:10px 0;font-size:14.5px;color:rgba(250,247,242,.8);
    border-bottom:1px solid rgba(250,247,242,.16);
  }
  .form-grid{display:grid;grid-template-columns:1fr;gap:24px}
  @media (min-width:768px){.form-grid{grid-template-columns:repeat(2,1fr);gap:26px 28px}}
  .field{display:flex;flex-direction:column}
  .field label{font-size:13px;letter-spacing:.06em;color:rgba(250,247,242,.7);margin-bottom:8px}
  .req{color:var(--cinnabar)}
  .field input,.field select{
    height:48px;background:transparent;border:0;border-bottom:1px solid rgba(250,247,242,.36);
    color:var(--paper);padding:0 2px;outline:none;
    transition:border-color .24s var(--ease);
  }
  .field select option{color:var(--ink-deep)}
  .field input::placeholder{color:rgba(250,247,242,.42)}
  .field input:focus,.field select:focus{border-bottom-color:var(--sand)}
  .form-actions{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:18px;align-items:center;margin-top:6px}
  .form-note{font-size:13.5px;color:rgba(250,247,242,.7)}

  /* ---------- footer ---------- */
  .site-footer{background:var(--ink-deep);color:rgba(250,247,242,.8);padding:56px 0 0}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:40px}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:minmax(0,4fr) repeat(3,minmax(0,2.4fr));gap:48px}}
  .footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:16px;color:var(--paper);letter-spacing:.02em}
  .footer-brand svg{width:26px;height:26px;flex:none;color:var(--paper)}
  .footer-desc{margin-top:16px;font-size:14px;line-height:1.9;max-width:340px;color:rgba(250,247,242,.7)}
  .footer-title{font-size:13px;letter-spacing:.1em;color:rgba(250,247,242,.62);margin-bottom:16px}
  .footer-link{display:block;padding:6px 0;font-size:14px;color:rgba(250,247,242,.8);transition:color .2s var(--ease)}
  .footer-link:hover{color:var(--paper);text-decoration:underline;text-underline-offset:4px}
  .footer-link:focus-visible{outline:2px solid var(--paper);outline-offset:2px}
  .footer-info{margin-bottom:10px;font-size:13.5px;line-height:1.85;color:rgba(250,247,242,.66)}
  .footer-bottom{
    margin-top:44px;padding:22px 0 30px;border-top:1px solid rgba(250,247,242,.16);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:13px;color:rgba(250,247,242,.6);
  }

  /* ---------- misc ---------- */
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);padding-top:22px}
  .breadcrumb a{color:var(--muted);transition:color .2s var(--ease)}
  .breadcrumb a:hover{color:var(--ink)}
  .breadcrumb .sep{color:rgba(16,35,31,.35)}
  .breadcrumb .current{color:var(--ink)}

  .reveal{opacity:1;transform:none}
  .has-js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
  .has-js .reveal.is-visible{opacity:1;transform:none}

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

/* roulang page: category3 */
:root{
  --ink:#0F3B34;
  --ink-deep:#10231F;
  --sand:#E8DCC8;
  --sand-soft:rgba(232,220,200,.72);
  --cinnabar:#B8452F;
  --paper:#FAF7F2;
  --paper-2:#F2EDE4;
  --text:#1A1A18;
  --text-2:#5C5A54;
  --line:rgba(16,35,31,.12);
  --radius-card:4px;
  --radius-img:2px;
  --radius-btn:2px;
  --ease:cubic-bezier(.2,.6,.2,1);
  --dur:240ms;
  --shadow-pop:0 12px 32px rgba(16,35,31,.10);
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC","SimSun",serif;
  --font-sans:"HarmonyOS Sans","PingFang SC","Noto Sans SC","Microsoft YaHei","Helvetica Neue",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(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,p,figure{margin:0;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3{font-family:var(--font-serif);font-weight:500;letter-spacing:.01em;}
table{border-collapse:collapse;}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container-x{padding:0 32px;}}
@media(min-width:1024px){.container-x{padding:0 48px;}}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,247,242,0);
  border-bottom:1px solid transparent;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.site-header.is-scrolled{
  background:rgba(250,247,242,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
@media(max-width:1023px){.header-inner{height:60px;}}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:15.5px;font-weight:500;letter-spacing:.02em;color:var(--ink);}
.brand svg{width:28px;height:28px;flex:none;color:var(--ink);}
.brand span{white-space:nowrap;}
.nav-list{display:flex;align-items:center;gap:32px;}
.nav-link{position:relative;display:inline-block;font-size:14px;color:var(--text-2);padding:6px 0;transition:color var(--dur) var(--ease);}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--ink);transform:scaleX(0);transform-origin:left center;transition:transform var(--dur) var(--ease);}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{transform:scaleX(1);}
.header-cta{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border:1px solid var(--ink);border-radius:var(--radius-btn);
  font-size:13.5px;color:var(--ink);
  transition:background var(--dur) var(--ease);
}
.header-cta:hover{background:var(--sand-soft);}
.header-cta:focus-visible{outline:2px solid var(--ink);outline-offset:2px;}
.menu-toggle{display:none;width:44px;height:44px;padding:0;position:relative;}
.menu-toggle i{display:block;width:22px;height:1.5px;background:var(--ink);margin:5px auto;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);}
.menu-toggle:focus-visible{outline:2px solid var(--ink);outline-offset:2px;}
@media(max-width:1023px){
  .nav-list{display:none;}
  .header-cta{display:none;}
  .menu-toggle{display:block;}
}
.mobile-panel{
  display:none;position:fixed;inset:0;z-index:80;
  background:var(--paper);overflow-y:auto;
  padding:0 24px 48px;
}
.mobile-panel.is-open{display:block;animation:panelIn 240ms var(--ease);}
@keyframes panelIn{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:none;}}
.panel-top{display:flex;align-items:center;justify-content:space-between;height:60px;border-bottom:1px solid var(--line);}
.panel-brand{display:inline-flex;align-items:center;gap:10px;font-size:15.5px;font-weight:500;color:var(--ink);}
.panel-brand svg{width:26px;height:26px;color:var(--ink);}
.panel-close{width:44px;height:44px;font-size:22px;line-height:1;color:var(--ink);}
.panel-close:focus-visible{outline:2px solid var(--ink);outline-offset:2px;}
.panel-link{display:block;font-family:var(--font-serif);font-size:20px;color:var(--ink);padding:18px 0;border-bottom:1px solid var(--line);}
.panel-link.is-active{color:var(--cinnabar);}

/* ============ buttons & links ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:14px;font-weight:500;border:1px solid transparent;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
  white-space:nowrap;
}
.btn .arrow{transition:transform var(--dur) var(--ease);}
.btn:hover .arrow{transform:translateX(4px);}
.btn:focus-visible{outline:2px solid var(--ink);outline-offset:2px;}
.btn-primary{background:var(--ink);color:#FAF7F2;}
.btn-primary:hover{background:#0B2E29;}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-outline:hover{background:var(--sand-soft);}
.btn-light{background:#FAF7F2;color:var(--ink-deep);}
.btn-light:hover{background:#ffffff;}
.btn-ghost-light{border-color:rgba(250,247,242,.5);color:#FAF7F2;}
.btn-ghost-light:hover{background:rgba(250,247,242,.12);}
.btn-ghost-light:focus-visible{outline:2px solid #FAF7F2;outline-offset:2px;}

.link-arrow{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--ink);padding-bottom:2px;
}
.link-arrow::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--cinnabar);transform:scaleX(0);transform-origin:left center;transition:transform var(--dur) var(--ease);}
.link-arrow:hover::after{transform:scaleX(1);}
.link-arrow .arrow{transition:transform var(--dur) var(--ease);}
.link-arrow:hover .arrow{transform:translateX(4px);}
.link-arrow:focus-visible{outline:2px solid var(--ink);outline-offset:3px;}

.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  background:var(--sand-soft);color:var(--ink);
  font-size:12px;letter-spacing:.04em;line-height:1.6;
  white-space:nowrap;
}

/* ============ hero ============ */
.page-hero{position:relative;overflow:hidden;background:var(--paper-2);border-bottom:1px solid var(--line);}
.page-hero .hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center right;}
.page-hero .hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(250,247,242,.97) 0%,rgba(250,247,242,.93) 40%,rgba(250,247,242,.55) 68%,rgba(250,247,242,.14) 100%);}
.hero-content{position:relative;z-index:2;max-width:640px;padding:64px 0 56px;}
@media(min-width:1024px){.hero-content{padding:104px 0 96px;}}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);}
.crumb a{transition:color var(--dur) var(--ease);}
.crumb a:hover{color:var(--ink);}
.crumb .sep{color:rgba(16,35,31,.35);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-top:22px;
  padding:5px 14px;border-radius:999px;
  background:rgba(15,59,52,.08);color:var(--ink);
  font-size:12px;letter-spacing:.08em;
}
.hero-title{
  margin-top:20px;
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.2;
  color:var(--ink-deep);
}
.hero-title em{font-style:normal;color:var(--ink);border-bottom:2px solid var(--cinnabar);padding-bottom:2px;}
.hero-lead{margin-top:20px;font-size:clamp(16px,1.9vw,18px);line-height:1.9;color:var(--text-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-tip{margin-top:18px;font-size:13px;color:var(--text-2);}

/* ============ stat strip ============ */
.stat-strip{border-bottom:1px solid var(--line);background:var(--paper);}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;}
@media(min-width:768px){.stat-grid{grid-template-columns:repeat(4,1fr);}}
.stat{padding:26px 0;}
.stat .num{font-family:var(--font-serif);font-size:clamp(28px,3.4vw,36px);line-height:1.1;color:var(--ink);font-variant-numeric:tabular-nums;}
.stat .num small{font-size:14px;margin-left:2px;font-family:var(--font-sans);color:var(--text-2);}
.stat .cap{margin-top:8px;font-size:13px;color:var(--text-2);letter-spacing:.02em;}

/* ============ section defaults ============ */
.section{padding:64px 0;}
@media(min-width:1024px){.section{padding:104px 0;}}
.section--tint{background:var(--paper-2);}
.section-head{max-width:760px;}
.section-title{font-size:clamp(24px,3vw,32px);line-height:1.35;color:var(--ink-deep);}
.section-sub{margin-top:14px;font-size:16px;line-height:1.9;color:var(--text-2);}
.section-head + .feature-list{margin-top:48px;}

/* ============ feature list (图文交替) ============ */
.feature-list{max-width:960px;margin:0 auto;}
.feature-item{display:grid;grid-template-columns:1fr;gap:26px;padding:48px 0;border-top:1px solid var(--line);}
.feature-item:first-child{border-top:0;padding-top:0;}
@media(min-width:900px){
  .feature-item{grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:64px 0;}
  .feature-item.is-reverse .feature-media{order:2;}
}
.feature-media{width:100%;}
.feature-media img{
  width:100%;aspect-ratio:3/2;object-fit:cover;
  border-radius:var(--radius-img);border:1px solid var(--line);
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.feature-item:hover .feature-media img{transform:scale(1.015);opacity:.95;}
.feature-index{font-family:var(--font-serif);font-size:12px;letter-spacing:.16em;color:var(--cinnabar);font-variant-numeric:tabular-nums;}
.feature-title{margin-top:10px;font-size:clamp(20px,2.4vw,25px);line-height:1.42;color:var(--ink-deep);transition:color var(--dur) var(--ease);}
.feature-item:hover .feature-title{color:var(--ink);}
.feature-text{margin-top:14px;font-size:16px;line-height:1.9;color:var(--text-2);}
.feature-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.feature-meta{
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-2);letter-spacing:.02em;
}
.feature-meta .time{font-variant-numeric:tabular-nums;}

/* ============ gains ============ */
.gain-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media(min-width:960px){.gain-grid{grid-template-columns:5fr 7fr;gap:72px;align-items:start;}}
.gain-aside .lead{font-size:16px;line-height:1.95;color:var(--text-2);margin-top:18px;}
.gain-aside .note{
  margin-top:26px;padding:20px 22px;
  background:var(--sand-soft);border-radius:var(--radius-card);
  font-size:14px;line-height:1.9;color:var(--ink);
}
.gain-list{border-top:1px solid var(--line);}
.gain-item{display:grid;grid-template-columns:auto 1fr;gap:18px;padding:24px 0;border-bottom:1px solid var(--line);transition:background var(--dur) var(--ease);}
.gain-item:hover{background:rgba(232,220,200,.35);}
.gain-dot{width:6px;height:6px;margin-top:11px;background:var(--cinnabar);border-radius:1px;flex:none;}
.gain-title{font-family:var(--font-serif);font-size:17px;color:var(--ink-deep);}
.gain-text{margin-top:8px;font-size:14.5px;line-height:1.9;color:var(--text-2);}

/* ============ steps ============ */
.steps{display:grid;grid-template-columns:1fr;border-top:1px solid var(--line);}
@media(min-width:900px){.steps{grid-template-columns:repeat(4,1fr);}}
.step{padding:30px 0;border-bottom:1px solid var(--line);}
.step:last-child{border-bottom:0;}
@media(min-width:900px){
  .step{padding:36px 30px 36px 0;border-bottom:0;border-right:1px solid var(--line);}
  .step:last-child{border-right:0;padding-right:0;}
  .step + .step{padding-left:30px;}
}
.step-num{font-family:var(--font-serif);font-size:13px;letter-spacing:.14em;color:var(--cinnabar);font-variant-numeric:tabular-nums;}
.step-title{margin-top:12px;font-size:18px;color:var(--ink-deep);}
.step-text{margin-top:10px;font-size:14.5px;line-height:1.88;color:var(--text-2);}

/* ============ faq ============ */
.faq-wrap{max-width:720px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:16px;color:var(--ink-deep);
  transition:color var(--dur) var(--ease);
}
.faq-q:hover{color:var(--ink);}
.faq-q:focus-visible{outline:2px solid var(--ink);outline-offset:3px;}
.faq-icon{flex:none;font-size:20px;line-height:1.2;color:var(--ink);transition:transform var(--dur) var(--ease);}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 300ms var(--ease);}
.faq-a p{padding:0 40px 24px 0;font-size:15px;line-height:1.9;color:var(--text-2);}

/* ============ cta ============ */
.cta-band{background:var(--ink-deep);color:#FAF7F2;}
.cta-inner{display:grid;grid-template-columns:1fr;gap:36px;padding:64px 0;}
@media(min-width:960px){.cta-inner{grid-template-columns:6fr 6fr;gap:72px;align-items:center;padding:88px 0;}}
.cta-title{font-size:clamp(24px,3vw,34px);line-height:1.35;color:#FAF7F2;}
.cta-text{margin-top:16px;font-size:16px;line-height:1.9;color:rgba(250,247,242,.78);}
.cta-points{margin-top:24px;display:grid;gap:10px;}
.cta-points li{display:flex;gap:12px;font-size:14.5px;color:rgba(250,247,242,.82);}
.cta-points li::before{content:"";width:6px;height:6px;margin-top:9px;background:var(--cinnabar);border-radius:1px;flex:none;}
.cta-form{display:grid;gap:22px;}
.field label{display:block;font-size:13px;letter-spacing:.04em;color:rgba(250,247,242,.7);margin-bottom:8px;}
.field .req{color:var(--cinnabar);margin-left:4px;}
.field input,.field select{
  width:100%;height:48px;padding:0 2px;
  background:transparent;border:0;border-bottom:1px solid rgba(250,247,242,.35);
  color:#FAF7F2;font-size:15px;
  transition:border-color var(--dur) var(--ease);
}
.field input::placeholder{color:rgba(250,247,242,.4);}
.field input:focus,.field select:focus{outline:none;border-bottom-color:#FAF7F2;}
.field select option{color:#1A1A18;background:#FAF7F2;}
.field-row{display:grid;gap:22px;}
@media(min-width:640px){.field-row{grid-template-columns:1fr 1fr;}}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;}
.form-msg{font-size:13.5px;color:rgba(250,247,242,.75);line-height:1.7;}
.form-note{font-size:13px;color:rgba(250,247,242,.55);}

/* ============ footer ============ */
.site-footer{background:var(--ink-deep);color:#FAF7F2;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding:64px 0 48px;}
@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;gap:48px;padding:72px 0 56px;}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:15.5px;font-weight:500;letter-spacing:.02em;color:#FAF7F2;}
.footer-brand svg{width:28px;height:28px;color:#FAF7F2;flex:none;}
.footer-desc{margin-top:16px;max-width:320px;font-size:14px;line-height:1.9;color:rgba(250,247,242,.72);}
.footer-title{font-size:13px;letter-spacing:.1em;color:rgba(250,247,242,.6);margin-bottom:16px;}
.footer-link{display:block;font-size:14px;color:rgba(250,247,242,.8);padding:6px 0;transition:color var(--dur) var(--ease);}
.footer-link:hover{color:#FAF7F2;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
.footer-link:focus-visible{outline:2px solid #FAF7F2;outline-offset:2px;}
.footer-info{font-size:14px;line-height:1.9;color:rgba(250,247,242,.72);margin-bottom:10px;}
.footer-bottom{
  border-top:1px solid rgba(250,247,242,.16);
  padding:22px 0 32px;
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(250,247,242,.6);
}

/* ============ reveal ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 520ms var(--ease),transform 520ms var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --ink:#0F3B34;
  --ink-deep:#10231F;
  --sand:#E8DCC8;
  --sand-soft:rgba(232,220,200,.4);
  --sand-30:rgba(232,220,200,.3);
  --cinnabar:#B8452F;
  --bg:#FAF7F2;
  --bg-alt:#F2EDE4;
  --text:#1A1A18;
  --text-2:#5C5A54;
  --line:rgba(16,35,31,.12);
  --line-strong:rgba(16,35,31,.24);
  --card-r:4px;
  --img-r:2px;
  --btn-r:2px;
  --ease:cubic-bezier(.2,.6,.2,1);
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,"Times New Roman",serif;
  --sans:"HarmonyOS Sans","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
::selection{background:var(--sand);color:var(--ink-deep)}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:640px){.container-x{padding-left:32px;padding-right:32px}}
@media (min-width:1024px){.container-x{padding-left:48px;padding-right:48px}}

a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{
  outline:2px solid var(--ink);outline-offset:2px;
}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--bg-alt);border-bottom:1px solid var(--line);font-size:13px;color:var(--text-2)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;flex-wrap:wrap}
.topbar-text{line-height:1.6}
.topbar-link{color:var(--ink);border-bottom:1px solid transparent;transition:border-color .22s var(--ease)}
.topbar-link:hover{border-bottom-color:var(--cinnabar)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,247,242,.84);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),background-color .24s var(--ease);
}
.site-header.is-scrolled{background:rgba(250,247,242,.96);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-family:var(--serif);font-size:15px;font-weight:500;letter-spacing:.02em;flex:none}
.brand svg{width:26px;height:26px;flex:none}
.nav-list{display:flex;align-items:center;gap:32px}
.nav-link{
  position:relative;display:inline-block;font-size:14px;color:var(--text-2);
  padding:6px 0;transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--ink);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{transform:scaleX(1)}
.header-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:38px;padding:0 18px;border:1px solid var(--ink);border-radius:var(--btn-r);
  font-size:14px;color:var(--ink);background:transparent;flex:none;
  transition:background-color .24s var(--ease),color .24s var(--ease);
}
.header-cta:hover{background:var(--ink);color:#FAF7F2}
.menu-toggle{
  display:none;width:44px;height:44px;padding:13px 10px;background:none;border:0;cursor:pointer;
  flex-direction:column;justify-content:space-between;
}
.menu-toggle span{display:block;height:1.5px;width:100%;background:var(--ink);border-radius:2px;transition:transform .24s var(--ease)}
.menu-toggle.is-open span:first-child{transform:translateY(8px) rotate(45deg)}
.menu-toggle.is-open span:last-child{transform:translateY(-8px) rotate(-45deg)}

.mobile-panel{
  position:fixed;top:60px;left:0;right:0;bottom:0;background:var(--bg);z-index:55;
  padding:16px 20px 48px;overflow-y:auto;display:none;flex-direction:column;
  border-top:1px solid var(--line);
}
.mobile-panel.is-open{display:flex}
.mobile-panel a{
  font-family:var(--serif);font-size:20px;color:var(--text);
  padding:18px 0;border-bottom:1px solid var(--line);transition:color .22s var(--ease);
}
.mobile-panel a:hover,.mobile-panel a.is-active{color:var(--ink)}
.mobile-panel .mobile-cta{
  margin-top:28px;border:0;height:48px;display:flex;align-items:center;justify-content:center;
  background:var(--ink);color:#FAF7F2;font-family:var(--sans);font-size:15px;border-radius:var(--btn-r);
}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--btn-r);
  font-size:14px;font-weight:500;border:1px solid transparent;cursor:pointer;
  transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-primary{background:var(--ink);color:#FAF7F2}
.btn-primary:hover{background:var(--ink-deep)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--sand-soft)}
.btn-light{background:#FAF7F2;color:var(--ink-deep)}
.btn-light:hover{background:var(--sand)}
.btn-arrow{display:inline-block;transition:transform .24s var(--ease)}
.btn:hover .btn-arrow{transform:translateX(4px)}
.btn-text{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--ink);padding:6px 0;
}
.btn-text::after{
  content:"";position:absolute;left:0;bottom:2px;height:1px;width:0;
  background:var(--cinnabar);transition:width .26s var(--ease);
}
.btn-text:hover::after{width:100%}
.btn-text:hover .btn-arrow{transform:translateX(4px)}

/* ---------- 首屏 ---------- */
.hero{padding:40px 0 0}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);flex-wrap:wrap}
.crumbs a{transition:color .22s var(--ease)}
.crumbs a:hover{color:var(--ink)}
.crumbs .sep{color:rgba(16,35,31,.3)}
.pill{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.08em;
  padding:5px 12px;border-radius:999px;background:var(--sand);color:var(--ink);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px;align-items:center;padding:28px 0 52px}
.hero-title{
  font-family:var(--serif);font-size:clamp(30px,4.6vw,54px);line-height:1.2;
  letter-spacing:.01em;color:var(--text);margin:18px 0 20px;
}
.hero-title .line-2{
  display:block;position:relative;padding-bottom:6px;
}
.hero-title .line-2::after{
  content:"";position:absolute;left:0;bottom:0;width:64px;height:2px;background:var(--cinnabar);
}
.hero-sub{font-size:18px;line-height:1.85;color:var(--text-2);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:32px}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/5;object-fit:cover;border:1px solid var(--line);
  border-radius:var(--img-r);background:rgba(15,59,52,.08);
}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--img-r);pointer-events:none;
  background:linear-gradient(180deg,rgba(250,247,242,.18) 0%,rgba(250,247,242,0) 42%);
}

/* ---------- 数据条 ---------- */
.stats{border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:28px 0 44px}
.stat-num{font-family:var(--serif);font-size:clamp(24px,2.6vw,34px);line-height:1.1;color:var(--ink)}
.stat-label{font-size:13px;color:var(--text-2);margin-top:6px;line-height:1.6}

/* ---------- 板块 ---------- */
.section{padding:72px 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:730px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;
  color:var(--ink);margin-bottom:14px;
}
.eyebrow::before{content:"";width:20px;height:1px;background:var(--cinnabar)}
.h2{font-family:var(--serif);font-size:clamp(24px,3vw,34px);line-height:1.32;letter-spacing:.01em;color:var(--text)}
.section-head p{margin-top:14px;font-size:16px;line-height:1.85;color:var(--text-2)}

/* ---------- 编号折叠目录 ---------- */
.toc{max-width:920px;margin:0 auto;border-top:1px solid var(--line)}
.toc-item{border-bottom:1px solid var(--line)}
.toc-item summary{
  display:flex;align-items:center;gap:20px;padding:24px 8px;cursor:pointer;
  list-style:none;transition:background-color .22s var(--ease);
}
.toc-item summary::-webkit-details-marker{display:none}
.toc-item summary:hover{background:var(--sand-30)}
.toc-item summary:hover .toc-title{color:var(--ink)}
.toc-num{font-family:var(--serif);font-size:13px;color:var(--ink);width:30px;flex:none;opacity:.7}
.toc-title{flex:1;font-size:17px;font-weight:500;color:var(--text);transition:color .22s var(--ease)}
.toc-sign{position:relative;width:16px;height:16px;flex:none;transition:transform .24s var(--ease)}
.toc-sign::before,.toc-sign::after{content:"";position:absolute;background:var(--ink)}
.toc-sign::before{left:0;right:0;top:7px;height:1.5px}
.toc-sign::after{top:0;bottom:0;left:7px;width:1.5px}
details[open] .toc-sign{transform:rotate(45deg)}
.toc-body{padding:0 8px 26px 58px;font-size:15px;line-height:1.95;color:var(--text-2)}
.toc-body p + p{margin-top:10px}
.toc-body .btn-text{margin-top:12px;font-size:14px}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.flow-item{position:relative;padding-top:32px;border-top:1px solid var(--line)}
.flow-item::before{
  content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:50%;background:var(--ink);
}
.flow-item.is-current::before{background:var(--cinnabar);box-shadow:0 0 0 5px rgba(184,69,47,.14)}
.flow-index{font-size:12px;letter-spacing:.08em;color:var(--text-2)}
.flow-title{font-family:var(--serif);font-size:18px;line-height:1.5;color:var(--text);margin:8px 0 10px}
.flow-text{font-size:14px;line-height:1.85;color:var(--text-2)}

/* ---------- 准备重点 ---------- */
.prep{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.prep-card img{
  width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--img-r);
  border:1px solid var(--line);background:rgba(15,59,52,.08);
}
.prep-card .pill{margin-top:22px}
.prep-card h3{font-family:var(--serif);font-size:21px;line-height:1.5;margin:14px 0 10px;color:var(--text)}
.prep-card p{font-size:15px;line-height:1.9;color:var(--text-2)}
.prep-list{margin-top:44px}
.prep-row{padding:22px 0;border-bottom:1px solid var(--line)}
.prep-row:first-child{border-top:1px solid var(--line)}
.prep-row h4{font-size:16px;font-weight:500;line-height:1.6;color:var(--text);margin-bottom:8px}
.prep-row p{font-size:14px;line-height:1.85;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq{max-width:720px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:flex-start;gap:16px;padding:22px 0;cursor:pointer;list-style:none;
  font-size:16px;color:var(--text);transition:color .22s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--ink)}
.faq-q{flex:1;line-height:1.65}
.faq-item .toc-sign{margin-top:4px}
.faq-body{padding:0 44px 26px 0;font-size:15px;line-height:1.95;color:var(--text-2)}

/* ---------- CTA 通栏 ---------- */
.cta-band{background:var(--ink-deep);color:#FAF7F2;padding:72px 0}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.cta-band h2{font-family:var(--serif);font-size:clamp(22px,2.6vw,30px);line-height:1.45;color:#FAF7F2;margin-bottom:14px}
.cta-band .cta-lead{font-size:15px;line-height:1.9;color:rgba(250,247,242,.75);max-width:420px}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:8px}
.cta-points li{font-size:14px;color:rgba(250,247,242,.68);padding-left:16px;position:relative;line-height:1.7}
.cta-points li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;background:var(--sand);border-radius:1px}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px 24px}
.field{display:flex;flex-direction:column;gap:6px}
.field-full{grid-column:1 / -1}
.field label{font-size:13px;color:rgba(250,247,242,.72);letter-spacing:.02em}
.req{color:var(--cinnabar);margin-left:2px}
.field input,.field select{
  background:transparent;border:0;border-bottom:1px solid rgba(250,247,242,.3);
  color:#FAF7F2;font-size:15px;padding:8px 0;min-height:48px;width:100%;
  border-radius:0;outline:none;transition:border-color .22s var(--ease);
}
.field select{appearance:none;-webkit-appearance:none;padding-right:26px;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' stroke='%23E8DCC8' stroke-width='1.2' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat:no-repeat;background-position:right 2px center;background-size:11px;
}
.field input::placeholder{color:rgba(250,247,242,.35)}
.field input:focus,.field select:focus{border-bottom-color:var(--sand)}
.field select option{color:#1A1A18;background:#FAF7F2}
.form-actions{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:6px}
.form-note{font-size:13px;color:var(--sand);display:none;line-height:1.7}
.form-note.is-visible{display:block}
.form-hint{font-size:12px;color:rgba(250,247,242,.5);grid-column:1 / -1;line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:#FAF7F2;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:16px;letter-spacing:.02em;color:var(--sand)}
.footer-brand svg{width:26px;height:26px;flex:none}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(250,247,242,.7);max-width:320px}
.footer-title{font-size:13px;letter-spacing:.08em;color:var(--sand);margin-bottom:16px}
.footer-link{display:block;font-size:14px;color:rgba(250,247,242,.8);padding:6px 0;transition:color .22s var(--ease)}
.footer-link:hover{color:#FAF7F2;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.footer-info{font-size:14px;color:rgba(250,247,242,.72);line-height:1.85;margin-bottom:8px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(250,247,242,.14);padding:20px 0 28px;
  font-size:13px;color:rgba(250,247,242,.6);
}

/* ---------- 出现动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:36px;padding:22px 0 44px}
  .hero-media{max-width:520px}
  .prep{grid-template-columns:1fr;gap:40px}
  .prep-list{margin-top:0}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .flow{grid-template-columns:repeat(2,1fr);gap:32px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:900px){
  .nav-list{display:none}
  .header-cta{display:none}
  .menu-toggle{display:flex}
  .header-inner{min-height:60px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .cta-band{padding:56px 0}
  .toc-body{padding-left:8px}
  .toc-item summary{gap:14px;padding:20px 4px}
  .toc-title{font-size:16px}
  .form-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr;gap:22px;padding:24px 0 36px}
  .prep-card h3{font-size:19px}
}
@media (max-width:520px){
  .hero{padding:24px 0 0}
  .hero-title{margin:14px 0 16px}
  .hero-sub{font-size:16px}
  .hero-actions{gap:14px}
  .hero-actions .btn{width:100%}
  .hero-actions .btn-text{width:100%;justify-content:flex-start}
  .flow{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:6px}
  .topbar-inner{min-height:auto;padding:8px 0;gap:6px}
  .topbar-text{font-size:12px}
}

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