/* roulang page: index */
:root{
  --c-bg:#F7F3EB;--c-bg-alt:#EFE8DB;--c-surface:#FFFCF6;
  --c-ink:#1B211D;--c-ink-2:#45514A;--c-muted:#7B857D;
  --c-brand:#1E5B44;--c-brand-2:#2F7A5B;--c-brand-deep:#123A2B;
  --c-brand-soft:#E3EEE6;--c-accent:#DE6136;--c-accent-soft:#F8DDD2;
  --c-signal:#C9E06A;--c-line:#DED6C7;--c-danger:#B8462E;
  --font-display:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-ui:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --radius-s:4px;--radius-m:8px;--radius-l:10px;
  --sh-1:0 1px 2px rgba(27,33,29,.06);
  --sh-2:0 8px 24px -12px rgba(27,33,29,.18);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);font-size:17px;line-height:1.95;color:var(--c-ink);background:var(--c-bg);-webkit-font-smoothing:antialiased}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block}
a{color:var(--c-brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}
a:active{color:var(--c-brand-deep)}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;line-height:1.32;letter-spacing:0;margin:0}
h1{font-size:clamp(30px,4vw,44px)}
h2{font-size:clamp(24px,3vw,32px)}
h3{font-size:20px}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,243,235,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;font-size:17px;color:var(--c-brand-deep);white-space:nowrap}
.logo:hover{text-decoration:none;color:var(--c-brand-deep)}
.logo svg{width:30px;height:30px;flex:none}
.logo em{font-style:normal;color:var(--c-brand-2);font-weight:600}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;gap:6px;padding:10px 12px;font-family:var(--font-ui);font-size:15px;font-weight:500;color:var(--c-ink-2);border-radius:var(--radius-m);background:none;border:0;cursor:pointer;transition:background .18s ease,color .18s ease}
.nav-link:hover{background:var(--c-brand-soft);color:var(--c-brand);text-decoration:none}
.nav-link.active{color:var(--c-brand);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--c-brand);border-radius:2px}
.nav-link .chev{width:12px;height:12px;transition:transform .18s ease}
.nav-mega{position:relative}
.nav-mega.open .chev{transform:rotate(180deg)}
.mega-panel{position:absolute;top:calc(100% + 14px);right:0;width:min(1120px,calc(100vw - 48px));background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);box-shadow:var(--sh-2);padding:26px;display:grid;grid-template-columns:1fr 1fr 1fr 1.1fr;gap:24px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .18s ease,transform .18s ease,visibility .18s}
.nav-mega.open .mega-panel,.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-family:var(--font-ui);font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-muted);margin-bottom:12px}
.mega-list li{margin-bottom:4px}
.mega-list a{display:block;padding:6px 8px;border-radius:var(--radius-s);font-size:14px;font-family:var(--font-ui);color:var(--c-ink-2);line-height:1.6}
.mega-list a:hover{background:var(--c-brand-soft);color:var(--c-brand);text-decoration:none}
.mega-list .m-date{display:block;font-size:12px;color:var(--c-muted);font-family:var(--font-ui)}
.mega-card{background:var(--c-brand-soft);border-radius:var(--radius-m);padding:18px;display:flex;flex-direction:column;gap:8px}
.mega-card strong{font-family:var(--font-display);font-size:16px;color:var(--c-brand-deep)}
.mega-card p{font-size:13px;line-height:1.7;color:var(--c-ink-2);margin:0}
.mega-card .mega-link{font-family:var(--font-ui);font-size:13px;font-weight:700;color:var(--c-accent)}
.nav-cta{flex:none}
.nav-burger{display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--radius-m);background:var(--c-surface);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.nav-burger span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:var(--radius-m);font-family:var(--font-ui);font-size:15px;font-weight:700;line-height:1.2;border:1px solid transparent;cursor:pointer;transition:background .18s ease,color .18s ease,transform .12s ease,border-color .18s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-brand);color:#FFFCF6}
.btn-primary:hover{background:var(--c-brand-deep);color:#FFFCF6}
.btn-accent{background:var(--c-accent);color:#FFFCF6}
.btn-accent:hover{background:#C24F27;color:#FFFCF6}
.btn-ghost{background:transparent;color:var(--c-brand);border-color:var(--c-brand)}
.btn-ghost:hover{background:var(--c-brand-soft);color:var(--c-brand-deep)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn .arrow{transition:transform .18s ease}
.btn:hover .arrow{transform:translateX(2px)}
.text-link{font-family:var(--font-ui);font-weight:700;font-size:14px;color:var(--c-brand);border-bottom:1px solid transparent;transition:border-color .18s,color .18s}
.text-link:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);text-decoration:none}

/* ---------- generic section ---------- */
.section{padding:72px 0;border-top:1px solid var(--c-line)}
.section.alt{background:var(--c-bg-alt)}
.section.plain{border-top:0}
.section-head{max-width:780px;margin-bottom:40px}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--c-ink-2);font-size:16px;line-height:1.9;margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-ui);font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-brand-2);background:var(--c-brand-soft);padding:5px 12px;border-radius:999px;margin-bottom:18px}
.badge{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-ui);font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;background:var(--c-brand-soft);color:var(--c-brand-deep);line-height:1.7}
.badge.orange{background:var(--c-accent-soft);color:#8E3A1B}
.badge.line{background:transparent;border:1px solid var(--c-line);color:var(--c-ink-2)}
.note{font-family:var(--font-ui);font-size:13px;color:var(--c-muted)}

/* ---------- hero ---------- */
.hero{position:relative;background:linear-gradient(180deg,#F9F6EF 0%,var(--c-bg) 62%,#EFE9DD 100%);border-bottom:1px solid var(--c-line);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/7205e72cef27c3f7.webp');background-size:cover;background-position:center;opacity:.10;pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(30,91,68,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(30,91,68,.05) 1px,transparent 1px);background-size:44px 44px;opacity:.6;pointer-events:none}
.hero .container{position:relative;z-index:2;padding-top:64px;padding-bottom:64px}
.hero-head{max-width:880px;margin:0 auto;text-align:center}
.hero-head h1{margin-bottom:20px}
.hero-lead{font-size:17px;line-height:1.95;color:var(--c-ink-2);text-align:left;max-width:820px;margin:0 auto 26px}
.hero-metrics{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 34px;padding:18px 0 0;border-top:1px solid var(--c-line)}
.hero-metrics div{font-family:var(--font-ui);font-size:13px;color:var(--c-muted)}
.hero-metrics strong{display:block;font-family:var(--font-display);font-size:22px;color:var(--c-brand-deep);font-weight:800;line-height:1.4}
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch;margin-top:44px}
.plan-card{display:flex;flex-direction:column;gap:12px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);padding:26px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.plan-card:hover{transform:translateY(-2px);border-color:var(--c-brand);box-shadow:var(--sh-2)}
.plan-card h3{font-size:19px;color:var(--c-brand-deep)}
.plan-card p{font-size:14.5px;line-height:1.8;color:var(--c-ink-2);margin:0}
.plan-card .plan-meta{font-family:var(--font-ui);font-size:13px;color:var(--c-muted)}
.plan-card .plan-actions{margin-top:auto;padding-top:8px}
.plan-card.is-featured{background:var(--c-brand-deep);border-color:var(--c-brand-deep);box-shadow:var(--sh-2);transform:translateY(-8px)}
.plan-card.is-featured:hover{transform:translateY(-10px)}
.plan-card.is-featured h3{color:#FFFCF6}
.plan-card.is-featured p,.plan-card.is-featured .plan-meta{color:#D8E4DA}
.plan-card.is-featured .badge{background:var(--c-signal);color:#1B211D}
.plan-list{display:grid;gap:6px;font-family:var(--font-ui);font-size:13.5px;color:var(--c-ink-2)}
.plan-card.is-featured .plan-list{color:#CBDCD1}
.plan-list li{display:flex;gap:8px;line-height:1.7}
.plan-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-brand-2);flex:none;margin-top:9px}
.plan-card.is-featured .plan-list li::before{background:var(--c-signal)}

/* ---------- pain ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.pain-card{display:flex;gap:18px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);padding:24px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.pain-card:hover{transform:translateY(-2px);border-color:var(--c-brand);box-shadow:var(--sh-2)}
.pain-num{flex:none;width:56px;height:56px;display:grid;place-items:center;border-radius:var(--radius-m);background:var(--c-brand-deep);color:var(--c-signal);font-family:var(--font-display);font-weight:800;font-size:20px}
.pain-card h3{font-size:18px;margin-bottom:6px;color:var(--c-brand-deep)}
.pain-card p{font-size:15px;line-height:1.85;color:var(--c-ink-2);margin:0}

/* ---------- solution split ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.split .media{border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1);background:var(--c-bg-alt)}
.split .media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s ease}
.split .media:hover img{transform:scale(1.02)}
.point-list{display:grid;gap:16px;margin:22px 0 24px}
.point-list li{display:flex;gap:14px;align-items:flex-start}
.point-list .p-mark{flex:none;width:26px;height:26px;border-radius:50%;background:var(--c-brand-soft);color:var(--c-brand);display:grid;place-items:center;font-family:var(--font-ui);font-size:13px;font-weight:800;margin-top:5px}
.point-list strong{display:block;font-family:var(--font-display);font-size:16px;color:var(--c-brand-deep);margin-bottom:2px}
.point-list span{font-size:15px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- steps ---------- */
.steps{position:relative;padding-left:56px;max-width:820px}
.steps::before{content:"";position:absolute;left:23px;top:10px;bottom:18px;width:2px;background:var(--c-line)}
.step{position:relative;padding-bottom:34px}
.step:last-child{padding-bottom:0}
.step-num{position:absolute;left:-56px;top:0;width:48px;height:48px;border-radius:50%;background:var(--c-brand);color:#FFFCF6;display:grid;place-items:center;font-family:var(--font-display);font-weight:800;font-size:17px;box-shadow:var(--sh-1)}
.step h3{font-size:19px;margin-bottom:6px;color:var(--c-brand-deep)}
.step p{font-size:15px;line-height:1.85;color:var(--c-ink-2);margin:0}

/* ---------- data band ---------- */
.data-band{background:var(--c-brand-deep);color:#EDE7DA;padding:64px 0;border-top:1px solid var(--c-brand-deep)}
.data-band .section-head h2{color:#FFFCF6}
.data-band .section-head p{color:#C3D2C8}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.data-cell{border-left:2px solid rgba(201,224,106,.5);padding-left:18px}
.data-num{font-family:var(--font-display);font-size:40px;font-weight:800;color:var(--c-signal);line-height:1.2}
.data-label{font-family:var(--font-ui);font-size:13px;color:#BCCDC2;line-height:1.7}

/* ---------- quotes ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.quote-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);padding:24px;box-shadow:var(--sh-1);transition:transform .2s ease,border-color .2s ease}
.quote-card:nth-child(2){transform:translateY(26px)}
.quote-card:hover{border-color:var(--c-brand);transform:translateY(-2px)}
.quote-card:nth-child(2):hover{transform:translateY(24px)}
.quote-card blockquote{margin:0 0 18px;font-size:15.5px;line-height:1.9;color:var(--c-ink)}
.quote-person{display:flex;align-items:center;gap:12px}
.quote-person img{width:44px;height:44px;border-radius:50%;object-fit:cover;border:1px solid var(--c-line)}
.quote-person strong{display:block;font-family:var(--font-ui);font-size:14px;color:var(--c-brand-deep)}
.quote-person .q-meta{font-family:var(--font-ui);font-size:12px;color:var(--c-muted)}

/* ---------- audience ---------- */
.aud-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.aud-card{background:var(--c-surface);border:1px solid var(--c-line);border-left:4px solid var(--c-brand-2);border-radius:var(--radius-l);padding:24px;transition:transform .2s ease,box-shadow .2s ease}
.aud-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.aud-card h3{font-size:18px;margin-bottom:8px;color:var(--c-brand-deep)}
.aud-card p{font-size:15px;line-height:1.85;color:var(--c-ink-2);margin:0 0 10px}

/* ---------- topics ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.topic-card{display:flex;flex-direction:column;gap:8px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);padding:24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.topic-card:hover{transform:translateY(-2px);border-color:var(--c-brand);box-shadow:var(--sh-2);text-decoration:none}
.topic-card h3{font-size:18px;color:var(--c-brand-deep)}
.topic-card p{font-size:14.5px;line-height:1.8;color:var(--c-ink-2);margin:0}
.topic-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:10px;font-family:var(--font-ui);font-size:13px;color:var(--c-muted)}
.topic-foot .arrow{color:var(--c-accent);font-weight:800;font-size:16px;transition:transform .18s ease}
.topic-card:hover .topic-foot .arrow{transform:translateX(3px)}

/* ---------- route list ---------- */
.route-list{display:grid}
.route-item{display:grid;grid-template-columns:280px 1fr;gap:26px;align-items:center;padding:26px 0;border-bottom:1px solid var(--c-line)}
.route-item:first-child{padding-top:0}
.route-item:last-child{border-bottom:0;padding-bottom:0}
.route-item .thumb{border-radius:var(--radius-m);overflow:hidden;border:1px solid var(--c-line)}
.route-item .thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s ease}
.route-item:hover .thumb img{transform:scale(1.02)}
.route-item h3{font-size:20px;margin-bottom:8px}
.route-item p{font-size:15px;line-height:1.85;color:var(--c-ink-2);margin:0 0 10px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- gear ---------- */
.gear-wrap{display:grid;grid-template-columns:1.3fr .7fr;gap:44px;align-items:start}
.gear-cols{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.gear-cols h3{font-size:17px;margin-bottom:14px;color:var(--c-brand-deep);padding-bottom:8px;border-bottom:1px solid var(--c-line)}
.check-list li{display:flex;gap:10px;font-family:var(--font-ui);font-size:14.5px;line-height:1.8;color:var(--c-ink-2);padding:6px 0}
.check-list li::before{content:"✓";color:var(--c-brand-2);font-weight:800;flex:none}
.gear-figure{border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--c-line);background:var(--c-bg-alt)}
.gear-figure img{width:100%;aspect-ratio:1/1;object-fit:cover}
.gear-figure figcaption{font-family:var(--font-ui);font-size:12.5px;color:var(--c-muted);padding:10px 12px;line-height:1.6}

/* ---------- safety ---------- */
.safety-list{display:grid;gap:14px;counter-reset:safe}
.safety-list li{counter-increment:safe;display:flex;gap:16px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-m);padding:18px 20px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}
.safety-list li::before{content:counter(safe,decimal-leading-zero);font-family:var(--font-display);font-weight:800;color:var(--c-brand);flex:none}
.alert-bar{margin-top:24px;background:var(--c-accent-soft);border:1px solid #EFC3B1;border-left:4px solid var(--c-accent);border-radius:var(--radius-m);padding:18px 22px;font-size:15px;line-height:1.85;color:#7E3417}

/* ---------- cms cards ---------- */
.card-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.post-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.post-card{display:flex;flex-direction:column;gap:10px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);padding:22px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.post-card:hover{transform:translateY(-2px);border-color:var(--c-brand);box-shadow:var(--sh-2);text-decoration:none}
.post-card .post-meta{font-family:var(--font-ui);font-size:12px;color:var(--c-muted);display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.post-card h3{font-size:17px;line-height:1.55;color:var(--c-brand-deep)}
.post-card p{font-size:14px;line-height:1.8;color:var(--c-ink-2);margin:0}
.post-card .more{margin-top:auto;padding-top:8px;font-family:var(--font-ui);font-size:13px;font-weight:700;color:var(--c-accent)}
.empty-card{grid-column:1/-1;border:1px dashed var(--c-line);border-radius:var(--radius-l);padding:38px 24px;text-align:center;background:var(--c-surface);color:var(--c-ink-2);font-size:15px}
.empty-card .empty-ico{display:block;width:34px;height:34px;margin:0 auto 12px;border:2px solid var(--c-line);border-radius:50%}

/* ---------- metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.metric-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);padding:24px}
.metric-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:6px}
.metric-top strong{font-family:var(--font-display);font-size:28px;color:var(--c-brand-deep);font-weight:800}
.metric-top span{font-family:var(--font-ui);font-size:13px;color:var(--c-muted)}
.metric-card h3{font-size:16px;margin-bottom:8px}
.metric-card p{font-size:14px;line-height:1.8;color:var(--c-ink-2);margin:0 0 14px}
.bar{height:8px;border-radius:999px;background:var(--c-bg-alt);border:1px solid var(--c-line);overflow:hidden}
.bar i{display:block;height:100%;background:var(--c-signal);border-radius:999px}

/* ---------- faq ---------- */
.faq{max-width:880px}
.faq details{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-m);margin-bottom:12px;padding:0 22px;transition:border-color .18s ease,box-shadow .18s ease}
.faq details[open]{border-left:3px solid var(--c-brand);box-shadow:var(--sh-1)}
.faq summary{list-style:none;cursor:pointer;padding:18px 30px 18px 0;position:relative;font-family:var(--font-display);font-size:17px;font-weight:700;color:var(--c-brand-deep)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:22px;font-weight:400;color:var(--c-brand);transition:transform .18s ease}
.faq details[open] summary::after{content:"–"}
.faq details p{font-size:15px;line-height:1.9;color:var(--c-ink-2);padding-bottom:18px;margin:0}

/* ---------- cta ---------- */
.cta-band{background:var(--c-brand-deep);color:#FFFCF6;padding:64px 0;border-top:1px solid var(--c-brand-deep)}
.cta-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.cta-wrap h2{color:#FFFCF6;margin-bottom:14px}
.cta-wrap p{color:#C6D6CB;font-size:15.5px;line-height:1.9;margin:0 0 18px}
.cta-points{display:flex;flex-wrap:wrap;gap:10px}
.cta-points span{font-family:var(--font-ui);font-size:13px;color:#D8E4DA;border:1px solid rgba(216,228,218,.35);border-radius:999px;padding:4px 12px}
.form-card{background:var(--c-surface);border-radius:var(--radius-l);padding:28px;box-shadow:var(--sh-2)}
.form-card h3{font-size:18px;color:var(--c-brand-deep);margin-bottom:16px}
.field{margin-bottom:14px}
.field label{display:block;font-family:var(--font-ui);font-size:13px;font-weight:700;color:var(--c-ink-2);margin-bottom:6px}
.field input,.field select{width:100%;height:44px;padding:0 12px;border:1px solid var(--c-line);border-radius:var(--radius-m);background:#FFFDF9;font-family:var(--font-ui);font-size:14.5px;color:var(--c-ink);transition:border-color .18s,box-shadow .18s}
.field input::placeholder{color:var(--c-muted)}
.field input:focus,.field select:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(30,91,68,.12)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-hint{font-family:var(--font-ui);font-size:12.5px;color:var(--c-muted);line-height:1.7;margin-top:10px}
.form-card .btn{width:100%;margin-top:6px}

/* ---------- footer ---------- */
.site-footer{background:var(--c-brand-deep);color:#D5E1D7;padding:64px 0 26px;font-family:var(--font-ui)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{font-family:var(--font-display);font-size:18px;font-weight:800;color:#FFFCF6;margin-bottom:12px;display:flex;align-items:center;gap:10px}
.footer-brand svg{width:26px;height:26px}
.site-footer p{font-size:13.5px;line-height:1.85;color:#AEC3B6;margin:0 0 10px}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:#FFFCF6;margin-bottom:14px}
.footer-list li{margin-bottom:8px}
.footer-list a{color:#B9CCBF;font-size:13.5px;line-height:1.7}
.footer-list a:hover{color:var(--c-signal);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(213,225,215,.18);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#8FA699}

/* ---------- mobile drawer ---------- */
.mobile-drawer{position:fixed;inset:0;background:var(--c-bg);z-index:80;display:none;flex-direction:column;padding:20px 20px 28px;overflow-y:auto}
.mobile-drawer.open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line)}
.drawer-head strong{font-family:var(--font-display);font-size:17px;color:var(--c-brand-deep)}
.drawer-close{width:44px;height:44px;border:1px solid var(--c-line);background:var(--c-surface);border-radius:var(--radius-m);font-size:22px;line-height:1;color:var(--c-ink);cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;padding:16px 0;gap:2px}
.drawer-nav > a{padding:14px 8px;font-family:var(--font-ui);font-size:16px;font-weight:600;color:var(--c-ink);border-bottom:1px solid var(--c-line)}
.drawer-nav > a:hover{color:var(--c-brand);text-decoration:none}
.drawer-group > button{width:100%;text-align:left;padding:14px 8px;font-family:var(--font-ui);font-size:16px;font-weight:600;color:var(--c-ink);background:none;border:0;border-bottom:1px solid var(--c-line);cursor:pointer;display:flex;justify-content:space-between}
.drawer-sub{display:none;padding:8px 8px 14px}
.drawer-group.open .drawer-sub{display:block}
.drawer-sub a{display:block;padding:8px 0;font-size:14px;color:var(--c-ink-2)}
.drawer-cta{margin-top:18px}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 20px}
  .mega-panel{grid-template-columns:1fr 1fr;}
  .mega-card{grid-column:1/-1}
}
@media (max-width:991px){
  .nav-main{display:none}
  .nav-cta{display:none}
  .nav-burger{display:flex;margin-left:auto}
  .hero .container{padding-top:44px;padding-bottom:44px}
  .plan-grid{grid-template-columns:1fr;gap:16px}
  .plan-card.is-featured{transform:none}
  .plan-card.is-featured:hover{transform:translateY(-2px)}
  .pain-grid,.aud-grid,.topic-grid,.metric-grid{grid-template-columns:repeat(2,1fr)}
  .split,.gear-wrap{grid-template-columns:1fr;gap:28px}
  .data-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .quote-grid{grid-template-columns:1fr}
  .quote-card:nth-child(2){transform:none}
  .quote-card:nth-child(2):hover{transform:translateY(-2px)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .cta-wrap{grid-template-columns:1fr;gap:28px}
  .route-item{grid-template-columns:220px 1fr;gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:44px 0}
  .hero .container{padding-top:34px;padding-bottom:34px}
  .hero-lead{font-size:16px;text-align:left}
  .hero-head{text-align:left}
  .hero-metrics{justify-content:flex-start;gap:10px 22px}
  .pain-grid,.aud-grid,.topic-grid,.metric-grid,.post-grid,.gear-cols{grid-template-columns:1fr}
  .data-grid{grid-template-columns:1fr 1fr}
  .data-num{font-size:32px}
  .route-item{grid-template-columns:1fr;gap:14px}
  .route-item .thumb{max-width:100%}
  .steps{padding-left:46px}
  .steps::before{left:19px}
  .step-num{left:-46px;width:40px;height:40px;font-size:15px}
  .field-row{grid-template-columns:1fr}
  .field input,.field select{height:48px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .form-card{padding:22px}
  .section-head{margin-bottom:28px}
  .card-actions{margin-bottom:18px}
}
@media (max-width:480px){
  h1{font-size:26px}
  h2{font-size:22px}
  .hero-metrics strong{font-size:19px}
  .pain-num{width:46px;height:46px;font-size:17px}
  .data-grid{grid-template-columns:1fr}
  .alert-bar{font-size:14px;padding:16px}
}

/* roulang page: category1 */
:root{
  --c-bg:#F7F3EB;--c-bg-alt:#EFE8DB;--c-surface:#FFFCF6;
  --c-ink:#1B211D;--c-ink-2:#45514A;--c-muted:#7B857D;
  --c-brand:#1E5B44;--c-brand-2:#2F7A5B;--c-brand-deep:#123A2B;
  --c-brand-soft:#E3EEE6;--c-accent:#DE6136;--c-accent-soft:#F8DDD2;
  --c-signal:#C9E06A;--c-line:#DED6C7;--c-danger:#B8462E;
  --font-display:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-ui:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --radius-s:4px;--radius-m:8px;--radius-l:10px;
  --sh-1:0 1px 2px rgba(27,33,29,.06);
  --sh-2:0 8px 24px -12px rgba(27,33,29,.18);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--c-bg);color:var(--c-ink);font-family:var(--font-body);font-size:17px;line-height:1.95;-webkit-font-smoothing:antialiased}
body.no-scroll{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
h1,h2,h3{font-family:var(--font-display);font-weight:800;margin:0;line-height:1.34;letter-spacing:0;color:var(--c-ink)}
h1{font-size:clamp(30px,4vw,44px)}
h2{font-size:clamp(24px,2.8vw,32px)}
h3{font-size:20px}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,243,235,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;font-size:17px;color:var(--c-brand-deep);white-space:nowrap}
.logo:hover{text-decoration:none;color:var(--c-brand-deep)}
.logo svg{width:30px;height:30px;flex:none}
.logo em{font-style:normal;color:var(--c-brand-2);font-weight:600}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;gap:6px;padding:10px 12px;font-family:var(--font-ui);font-size:15px;font-weight:500;color:var(--c-ink-2);border-radius:var(--radius-m);background:none;border:0;cursor:pointer;transition:background .18s ease,color .18s ease}
.nav-link:hover{background:var(--c-brand-soft);color:var(--c-brand);text-decoration:none}
.nav-link.active{color:var(--c-brand);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--c-brand);border-radius:2px}
.nav-link .chev{width:12px;height:12px;transition:transform .18s ease}
.nav-mega{position:relative}
.nav-mega.open .chev{transform:rotate(180deg)}
.mega-panel{position:absolute;top:calc(100% + 14px);right:0;width:min(1120px,calc(100vw - 48px));background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);box-shadow:var(--sh-2);padding:26px;display:grid;grid-template-columns:1fr 1fr 1fr 1.1fr;gap:24px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .18s ease,transform .18s ease,visibility .18s}
.nav-mega.open .mega-panel,.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-family:var(--font-ui);font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-muted);margin-bottom:12px}
.mega-list li{margin-bottom:4px}
.mega-list a{display:block;padding:6px 8px;border-radius:var(--radius-s);font-size:14px;font-family:var(--font-ui);color:var(--c-ink-2);line-height:1.6}
.mega-list a:hover{background:var(--c-brand-soft);color:var(--c-brand);text-decoration:none}
.mega-list .m-date{display:block;font-size:12px;color:var(--c-muted);font-family:var(--font-ui)}
.mega-card{background:var(--c-brand-soft);border-radius:var(--radius-m);padding:18px;display:flex;flex-direction:column;gap:8px}
.mega-card strong{font-family:var(--font-display);font-size:16px;color:var(--c-brand-deep)}
.mega-card p{font-size:13px;line-height:1.7;color:var(--c-ink-2);margin:0}
.mega-card .mega-link{font-family:var(--font-ui);font-size:13px;font-weight:700;color:var(--c-accent)}
.nav-burger{display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--radius-m);background:var(--c-surface);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.nav-burger span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:var(--radius-m);font-family:var(--font-ui);font-size:15px;font-weight:700;line-height:1.2;border:1px solid transparent;cursor:pointer;transition:background .18s ease,color .18s ease,transform .12s ease,border-color .18s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-brand);color:#FFFCF6}
.btn-primary:hover{background:var(--c-brand-deep);color:#FFFCF6}
.btn-accent{background:var(--c-accent);color:#FFFCF6}
.btn-accent:hover{background:#C24F27;color:#FFFCF6}
.btn-ghost{background:transparent;color:var(--c-brand);border-color:var(--c-brand)}
.btn-ghost:hover{background:var(--c-brand-soft);color:var(--c-brand-deep)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn .arrow{transition:transform .18s ease}
.btn:hover .arrow{transform:translateX(2px)}
.text-link{font-family:var(--font-ui);font-weight:700;font-size:14px;color:var(--c-brand);border-bottom:1px solid transparent;transition:border-color .18s,color .18s}
.text-link:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);text-decoration:none}

/* ---------- generic section ---------- */
.section{padding:72px 0;border-top:1px solid var(--c-line)}
.section.alt{background:var(--c-bg-alt)}
.section.plain{border-top:0}
.section-head{max-width:780px;margin-bottom:36px}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--c-ink-2);font-size:16px;line-height:1.9;margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-ui);font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-brand-2);background:var(--c-brand-soft);padding:5px 12px;border-radius:999px;margin-bottom:18px}
.badge{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-ui);font-size:12px;font-weight:600;color:var(--c-brand-deep);background:var(--c-brand-soft);border-radius:999px;padding:3px 10px;line-height:1.6}
.badge.accent{background:var(--c-accent-soft);color:#8E3B1D}
.badge.signal{background:var(--c-signal);color:#33400E}

/* ---------- category head ---------- */
.cat-head{background:var(--c-bg-alt);border-bottom:1px solid var(--c-line);padding:36px 0 48px}
.crumb{font-family:var(--font-ui);font-size:13px;color:var(--c-muted);margin-bottom:22px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb a{color:var(--c-ink-2)}
.crumb .sep{color:var(--c-line)}
.cat-head-grid{display:grid;grid-template-columns:1.6fr .8fr;gap:36px;align-items:start}
.cat-head h1{margin-bottom:18px}
.cat-head .lead{font-size:16.5px;line-height:1.95;color:var(--c-ink-2);margin:0;max-width:720px}
.stat-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);box-shadow:var(--sh-1);padding:22px}
.stat-card .title{font-family:var(--font-ui);font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--c-muted);margin-bottom:14px}
.stat-row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:10px 0;border-bottom:1px dashed var(--c-line);font-family:var(--font-ui);font-size:14px;color:var(--c-ink-2)}
.stat-row:last-of-type{border-bottom:0}
.stat-row b{font-family:var(--font-display);font-size:18px;color:var(--c-brand);font-weight:800}
.stat-note{font-family:var(--font-ui);font-size:12px;color:var(--c-muted);margin:12px 0 0;line-height:1.7}

/* ---------- chips ---------- */
.chip-bar{display:grid;gap:18px}
.chip-group{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.chip-label{font-family:var(--font-ui);font-size:13px;font-weight:700;color:var(--c-muted);min-width:56px}
.chip{font-family:var(--font-ui);font-size:14px;padding:7px 15px;border-radius:999px;border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-2);cursor:pointer;transition:background .16s ease,color .16s ease,border-color .16s ease,transform .12s ease;min-height:38px;display:inline-flex;align-items:center}
.chip:hover{border-color:var(--c-brand);color:var(--c-brand)}
.chip:active{transform:translateY(1px)}
.chip.is-active{background:var(--c-brand);border-color:var(--c-brand);color:#FFFCF6;font-weight:700}

/* ---------- run list ---------- */
.run-list{border-top:1px solid var(--c-line)}
.run-row{display:grid;grid-template-columns:220px 1fr;gap:24px;padding:24px 0;border-bottom:1px solid var(--c-line);align-items:center;color:inherit}
.run-row:hover{text-decoration:none}
.run-thumb{aspect-ratio:4/3;border-radius:var(--radius-m);border:1px solid var(--c-line);overflow:hidden;background:var(--c-bg-alt)}
.run-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .28s ease}
.run-row:hover .run-thumb img{transform:scale(1.03)}
.run-body h3{margin-bottom:8px;font-size:19px;color:var(--c-ink);transition:color .18s ease}
.run-row:hover .run-body h3{color:var(--c-brand)}
.run-body p{font-size:14.5px;line-height:1.85;color:var(--c-ink-2);margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.run-meta{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;font-family:var(--font-ui);font-size:13px;color:var(--c-muted)}
.run-more{display:flex;align-items:center;gap:6px;font-family:var(--font-ui);font-size:13px;font-weight:700;color:var(--c-accent)}
.list-foot{margin-top:28px;display:flex;justify-content:center}
.empty-state{border:1px dashed var(--c-line);border-radius:var(--radius-l);padding:44px 24px;text-align:center;background:var(--c-surface)}
.empty-state svg{width:34px;height:34px;margin:0 auto 14px;color:var(--c-muted)}
.empty-state p{font-family:var(--font-ui);font-size:14px;color:var(--c-muted);margin:0}

/* ---------- organisation ---------- */
.org-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start}
.org-list{display:grid;gap:16px}
.org-item{display:grid;grid-template-columns:52px 1fr;gap:16px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);padding:20px;box-shadow:var(--sh-1);transition:transform .18s ease,border-color .18s ease}
.org-item:hover{transform:translateY(-2px);border-color:var(--c-brand)}
.org-num{font-family:var(--font-display);font-size:24px;font-weight:800;color:var(--c-brand);background:var(--c-signal);border-radius:var(--radius-m);width:52px;height:52px;display:flex;align-items:center;justify-content:center}
.org-item h3{font-size:17.5px;margin-bottom:6px}
.org-item p{font-size:14.5px;line-height:1.85;color:var(--c-ink-2);margin:0}
.org-figure{margin:0}
.org-figure img{aspect-ratio:4/3;width:100%;object-fit:cover;border:1px solid var(--c-line);border-radius:var(--radius-l);box-shadow:var(--sh-1)}
.org-figure figcaption{font-family:var(--font-ui);font-size:12.5px;color:var(--c-muted);margin-top:10px;line-height:1.7}

/* ---------- pace ---------- */
.pace-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pace-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);padding:24px;box-shadow:var(--sh-1);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.pace-card:hover{transform:translateY(-2px);border-color:var(--c-brand);box-shadow:var(--sh-2)}
.pace-card .pace-tag{font-family:var(--font-ui);font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--c-brand-2);margin-bottom:10px;display:block}
.pace-card h3{font-size:19px;margin-bottom:10px}
.pace-card p{font-size:14.5px;line-height:1.85;color:var(--c-ink-2);margin:0 0 14px}
.pace-card ul{display:grid;gap:6px}
.pace-card li{font-family:var(--font-ui);font-size:13.5px;color:var(--c-ink-2);padding-left:16px;position:relative;line-height:1.75}
.pace-card li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--c-brand-2)}

/* ---------- safety ---------- */
.safety-bar{background:var(--c-accent-soft);border:1px solid #EFC9B8;border-radius:var(--radius-l);padding:26px 28px;display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start}
.safety-icon{width:44px;height:44px;border-radius:50%;background:#FFF3EE;border:1px solid #EFC9B8;display:flex;align-items:center;justify-content:center;color:var(--c-accent);flex:none}
.safety-icon svg{width:22px;height:22px}
.safety-bar h2{font-size:22px;margin-bottom:10px;color:#7F3418}
.safety-list{display:grid;gap:8px}
.safety-list li{font-family:var(--font-ui);font-size:14.5px;line-height:1.85;color:#6E3A22;padding-left:18px;position:relative}
.safety-list li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:2px;background:var(--c-accent)}

/* ---------- reading list ---------- */
.read-list{border-top:1px solid var(--c-line)}
.read-item{display:flex;gap:16px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--c-line)}
.read-item .read-idx{font-family:var(--font-display);font-size:15px;font-weight:800;color:var(--c-brand-2);min-width:28px;line-height:1.9}
.read-item a.read-title{font-family:var(--font-ui);font-size:15.5px;font-weight:600;color:var(--c-ink);line-height:1.7}
.read-item a.read-title:hover{color:var(--c-accent)}
.read-item .read-date{font-family:var(--font-ui);font-size:12.5px;color:var(--c-muted);margin-left:auto;white-space:nowrap;line-height:1.9}

/* ---------- faq / cta ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:0;max-width:840px}
.faq-item{border:1px solid var(--c-line);border-radius:var(--radius-m);background:var(--c-surface);margin-bottom:12px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:16px 20px;font-family:var(--font-ui);font-size:16px;font-weight:700;color:var(--c-ink);display:flex;justify-content:space-between;gap:16px;align-items:center;transition:color .18s ease,background .18s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--c-brand);background:var(--c-brand-soft)}
.faq-item .faq-mark{width:18px;height:18px;flex:none;transition:transform .2s ease;color:var(--c-brand)}
.faq-item[open] .faq-mark{transform:rotate(45deg)}
.faq-item[open] summary{color:var(--c-brand);border-bottom:1px solid var(--c-line)}
.faq-body{padding:16px 20px;font-size:15px;line-height:1.9;color:var(--c-ink-2);border-left:3px solid var(--c-brand);margin:12px 20px 16px 20px;padding:0 0 0 16px}
.faq-body p:last-child{margin-bottom:0}
.cta-strip{margin-top:36px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;background:var(--c-brand-deep);border-radius:var(--radius-l);padding:26px 28px;color:#EFE8DB}
.cta-strip p{font-family:var(--font-ui);font-size:15px;margin:0;color:#DCE7DF;max-width:640px;line-height:1.8}
.cta-strip .btn-accent{flex:none}

/* ---------- footer ---------- */
.site-footer{background:var(--c-brand-deep);color:#EFE8DB;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;font-size:17px;color:#FFFCF6;margin-bottom:14px}
.footer-brand svg{width:28px;height:28px;flex:none}
.site-footer p{font-size:14px;line-height:1.9;color:#C4D2C8;margin:0}
.footer-title{font-family:var(--font-ui);font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-signal);margin-bottom:14px}
.footer-list li{margin-bottom:8px}
.footer-list a{font-family:var(--font-ui);font-size:14px;color:#C4D2C8;line-height:1.7}
.footer-list a:hover{color:var(--c-signal);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{border-top:1px solid rgba(233,241,235,.16);padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-family:var(--font-ui);font-size:12.5px;line-height:1.8;color:#9FB3A6}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .run-row{grid-template-columns:190px 1fr;gap:20px}
}
@media (max-width:991px){
  .nav-burger{display:flex}
  .nav-main{position:fixed;top:68px;left:0;right:0;bottom:0;background:var(--c-surface);flex-direction:column;align-items:stretch;gap:0;padding:16px 20px 40px;overflow-y:auto;margin-left:0;transform:translateX(102%);transition:transform .24s ease;z-index:70}
  .nav-main.open{transform:translateX(0)}
  .nav-link{font-size:16px;padding:14px 8px;border-radius:var(--radius-m)}
  .nav-link.active::after{display:none}
  .nav-link.active{background:var(--c-brand-soft)}
  .nav-mega{width:100%}
  .mega-toggle{width:100%;justify-content:space-between}
  .mega-panel{position:static;width:100%;transform:none;opacity:1;visibility:visible;display:none;grid-template-columns:1fr;box-shadow:none;border-radius:var(--radius-m);padding:16px;margin-bottom:8px}
  .nav-mega.open .mega-panel{display:grid}
  .nav-mega:hover .mega-panel{display:none}
  .nav-mega.open:hover .mega-panel{display:grid}
  .cat-head-grid{grid-template-columns:1fr;gap:26px}
  .org-grid{grid-template-columns:1fr;gap:26px}
  .pace-grid{grid-template-columns:1fr;gap:16px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:56px 0}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .run-row{grid-template-columns:1fr;gap:14px;padding:20px 0}
  .run-thumb{aspect-ratio:16/9}
  .safety-bar{grid-template-columns:1fr;gap:14px;padding:22px 20px}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:22px 20px}
  .read-item .read-date{display:none}
  .section{padding:44px 0}
  .cat-head{padding:28px 0 38px}
}
@media (max-width:520px){
  h1{font-size:26px}
  h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr}
  .org-item{grid-template-columns:44px 1fr;padding:16px}
  .org-num{width:44px;height:44px;font-size:20px}
  .faq-item summary{font-size:15px;padding:14px 16px}
  .footer-bottom{flex-direction:column}
}

/* roulang page: article */
:root{
  --c-bg:#F7F3EB;--c-bg-alt:#EFE8DB;--c-surface:#FFFCF6;
  --c-ink:#1B211D;--c-ink-2:#45514A;--c-muted:#7B857D;
  --c-brand:#1E5B44;--c-brand-2:#2F7A5B;--c-brand-deep:#123A2B;
  --c-brand-soft:#E3EEE6;--c-accent:#DE6136;--c-accent-soft:#F8DDD2;
  --c-signal:#C9E06A;--c-line:#DED6C7;--c-danger:#B8462E;
  --font-display:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-ui:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --radius-s:4px;--radius-m:8px;--radius-l:10px;
  --sh-1:0 1px 2px rgba(27,33,29,.06);
  --sh-2:0 8px 24px -12px rgba(27,33,29,.18);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--c-bg);color:var(--c-ink);font-family:var(--font-body);font-size:17px;line-height:1.95;-webkit-font-smoothing:antialiased}
body.no-scroll{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:var(--radius-s)}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;line-height:1.35;letter-spacing:0;color:var(--c-ink);margin:0 0 14px}
h1{font-size:clamp(30px,4vw,44px)}
h2{font-size:clamp(23px,2.6vw,32px)}
h3{font-size:clamp(18px,1.9vw,22px)}
p{margin:0 0 1.2em}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,243,235,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;font-size:17px;color:var(--c-brand-deep);white-space:nowrap}
.logo:hover{text-decoration:none;color:var(--c-brand-deep)}
.logo svg{width:30px;height:30px;flex:none}
.logo em{font-style:normal;color:var(--c-brand-2);font-weight:600}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;gap:6px;padding:10px 12px;font-family:var(--font-ui);font-size:15px;font-weight:500;color:var(--c-ink-2);border-radius:var(--radius-m);background:none;border:0;cursor:pointer;transition:background .18s ease,color .18s ease}
.nav-link:hover{background:var(--c-brand-soft);color:var(--c-brand);text-decoration:none}
.nav-link.active{color:var(--c-brand);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--c-brand);border-radius:2px}
.nav-link .chev{width:12px;height:12px;transition:transform .18s ease}
.nav-mega{position:relative}
.nav-mega.open .chev{transform:rotate(180deg)}
.mega-panel{position:absolute;top:calc(100% + 14px);right:0;width:min(1120px,calc(100vw - 48px));background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);box-shadow:var(--sh-2);padding:26px;display:grid;grid-template-columns:1fr 1fr 1fr 1.1fr;gap:24px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .18s ease,transform .18s ease,visibility .18s}
.nav-mega.open .mega-panel,.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-family:var(--font-ui);font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-muted);margin-bottom:12px}
.mega-list li{margin-bottom:4px}
.mega-list a{display:block;padding:6px 8px;border-radius:var(--radius-s);font-size:14px;font-family:var(--font-ui);color:var(--c-ink-2);line-height:1.6}
.mega-list a:hover{background:var(--c-brand-soft);color:var(--c-brand);text-decoration:none}
.mega-list .m-date{display:block;font-size:12px;color:var(--c-muted);font-family:var(--font-ui)}
.mega-card{background:var(--c-brand-soft);border-radius:var(--radius-m);padding:18px;display:flex;flex-direction:column;gap:8px}
.mega-card strong{font-family:var(--font-display);font-size:16px;color:var(--c-brand-deep)}
.mega-card p{font-size:13px;line-height:1.7;color:var(--c-ink-2);margin:0}
.mega-card .mega-link{font-family:var(--font-ui);font-size:13px;font-weight:700;color:var(--c-accent)}
.nav-cta{flex:none}
.nav-burger{display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--radius-m);background:var(--c-surface);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.nav-burger span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px}
.m-drawer{position:fixed;inset:0;z-index:90;background:var(--c-surface);padding:24px;overflow-y:auto;transform:translateX(100%);visibility:hidden;transition:transform .24s ease,visibility .24s}
.m-drawer.open{transform:translateX(0);visibility:visible}
.m-drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.m-close{width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--radius-m);background:var(--c-bg);font-size:20px;color:var(--c-ink);cursor:pointer}
.m-drawer a{display:block;padding:14px 4px;border-bottom:1px solid var(--c-line);font-family:var(--font-ui);font-size:16px;font-weight:600;color:var(--c-ink)}
.m-drawer a:hover{color:var(--c-brand);text-decoration:none}
.m-drawer .m-cta{display:inline-flex;margin-top:20px;border:0}

/* ---------- 按钮 / 徽章 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:var(--radius-m);font-family:var(--font-ui);font-size:15px;font-weight:700;line-height:1.2;border:1px solid transparent;cursor:pointer;transition:background .18s ease,color .18s ease,transform .12s ease,border-color .18s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-brand);color:#FFFCF6}
.btn-primary:hover{background:var(--c-brand-deep);color:#FFFCF6}
.btn-accent{background:var(--c-accent);color:#FFFCF6}
.btn-accent:hover{background:#C24F27;color:#FFFCF6}
.btn-ghost{background:transparent;color:var(--c-brand);border-color:var(--c-brand)}
.btn-ghost:hover{background:var(--c-brand-soft);color:var(--c-brand-deep)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn .arrow{transition:transform .18s ease}
.btn:hover .arrow{transform:translateX(2px)}
.text-link{font-family:var(--font-ui);font-weight:700;font-size:14px;color:var(--c-brand);border-bottom:1px solid transparent;transition:border-color .18s,color .18s}
.text-link:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);text-decoration:none}
.badge{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-ui);font-size:12px;font-weight:600;line-height:1.5;padding:4px 10px;border-radius:999px;background:var(--c-brand-soft);color:var(--c-brand-deep);border:1px solid rgba(30,91,68,.14)}
.badge--accent{background:var(--c-accent-soft);color:#98401F;border-color:rgba(222,97,54,.22)}
.badge--signal{background:#EDF5C8;color:#3B4713;border-color:rgba(201,224,106,.7)}
.badge--muted{background:var(--c-bg-alt);color:var(--c-ink-2);border-color:var(--c-line)}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0;border-top:1px solid var(--c-line)}
.section.alt{background:var(--c-bg-alt)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.sec-head h2{margin-bottom:6px}
.sec-head p{margin:0;color:var(--c-ink-2);font-size:15px}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--c-bg-alt);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-family:var(--font-ui);font-size:13px;color:var(--c-muted);padding:14px 0}
.crumb a{color:var(--c-ink-2)}
.crumb a:hover{color:var(--c-brand)}
.crumb .sep{color:var(--c-line)}
.crumb .cur{color:var(--c-ink);font-weight:600;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.article-head{background:linear-gradient(180deg,var(--c-bg-alt) 0%,var(--c-bg) 78%);padding:40px 0 34px}
.a-kicker{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px;font-family:var(--font-ui);font-size:13px;color:var(--c-muted)}
.a-kicker .k-tag{background:var(--c-brand);color:#FFFCF6;padding:4px 12px;border-radius:999px;font-weight:700;letter-spacing:.04em}
.article-head h1{max-width:940px;margin-bottom:16px}
.a-sub{max-width:760px;font-size:17px;line-height:1.9;color:var(--c-ink-2);margin:0 0 20px}
.a-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-family:var(--font-ui);font-size:13px;color:var(--c-muted);margin-bottom:16px}
.a-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--c-line)}
.a-meta strong{color:var(--c-ink-2);font-weight:600}
.a-tags{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 题图 ---------- */
.cover-wrap{background:var(--c-bg);padding:0 0 8px}
.a-cover{margin:0}
.a-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-m);border:1px solid var(--c-line);background:var(--c-bg-alt)}
.a-cover figcaption{font-family:var(--font-ui);font-size:13px;line-height:1.7;color:var(--c-muted);padding:10px 2px 0}

/* ---------- 正文布局 ---------- */
.a-main{padding:24px 0 64px}
.a-layout{display:grid;grid-template-columns:minmax(0,720px) 240px;gap:56px;align-items:start;justify-content:space-between}
.a-body{min-width:0;font-size:17px;line-height:1.95;color:var(--c-ink);overflow-wrap:break-word}
.a-body > *:first-child{margin-top:0}
.a-body p{margin:0 0 1.2em}
.a-body h2{font-size:clamp(23px,2.4vw,30px);margin:48px 0 16px;padding-top:4px;line-height:1.45}
.a-body h3{font-size:clamp(19px,1.9vw,23px);margin:32px 0 12px;line-height:1.5}
.a-body h4{font-size:18px;margin:24px 0 10px}
.a-body a{color:var(--c-brand);border-bottom:1px solid rgba(30,91,68,.35)}
.a-body a:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);text-decoration:none}
.a-body ul,.a-body ol{margin:0 0 1.3em;padding-left:1.4em}
.a-body ul{list-style:disc}
.a-body ol{list-style:decimal}
.a-body li{margin-bottom:.5em}
.a-body ol > li::marker{color:var(--c-brand);font-family:var(--font-ui);font-weight:700}
.a-body ul > li::marker{color:var(--c-brand-2)}
.a-body blockquote{margin:28px 0;padding:18px 24px;background:var(--c-bg-alt);border-left:3px solid var(--c-brand);border-radius:0 var(--radius-m) var(--radius-m) 0;color:var(--c-ink-2)}
.a-body blockquote p:last-child{margin-bottom:0}
.a-body img{border-radius:var(--radius-m);border:1px solid var(--c-line);margin:24px 0 8px;max-width:720px;width:100%}
.a-body figure{margin:24px 0}
.a-body figcaption{font-family:var(--font-ui);font-size:13px;color:var(--c-muted);line-height:1.7;text-align:left;padding-top:8px}
.a-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;font-family:var(--font-ui)}
.a-body th,.a-body td{border:1px solid var(--c-line);padding:10px 12px;text-align:left}
.a-body th{background:var(--c-brand-soft);color:var(--c-brand-deep);font-weight:700}
.a-body strong{color:var(--c-brand-deep);font-weight:700}
.a-body code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px;background:var(--c-bg-alt);padding:2px 6px;border-radius:var(--radius-s)}
.a-body hr{border:0;border-top:1px solid var(--c-line);margin:36px 0}

/* 正文内提示框 */
.tip{margin:26px 0;padding:16px 20px;border-radius:var(--radius-m);font-size:15px;line-height:1.85;border:1px solid transparent}
.tip strong{display:block;font-family:var(--font-ui);font-size:14px;font-weight:700;margin-bottom:6px}
.tip p:last-child{margin-bottom:0}
.tip--safe{background:var(--c-accent-soft);border-color:rgba(222,97,54,.28);color:#7E3417}
.tip--safe strong{color:#98401F}
.tip--note{background:var(--c-brand-soft);border-color:rgba(30,91,68,.2);color:var(--c-brand-deep)}
.tip--note strong{color:var(--c-brand-deep)}

/* 空态 */
.empty-state{border:1px dashed var(--c-line);border-radius:var(--radius-l);padding:48px 24px;text-align:center;background:var(--c-surface)}
.empty-state svg{width:40px;height:40px;margin:0 auto 14px;color:var(--c-muted)}
.empty-state h2{font-size:20px;margin-bottom:8px}
.empty-state p{color:var(--c-ink-2);font-size:15px;margin-bottom:18px}

/* 侧栏 */
.a-side{position:sticky;top:88px;display:flex;flex-direction:column;gap:18px}
.toc-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);padding:18px 18px 14px;box-shadow:var(--sh-1)}
.toc-title{font-family:var(--font-ui);font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-muted);margin-bottom:10px}
.toc-list li{margin-bottom:2px}
.toc-list a{display:block;padding:6px 0 6px 12px;border-left:2px solid transparent;font-family:var(--font-ui);font-size:13px;line-height:1.6;color:var(--c-ink-2)}
.toc-list a:hover{color:var(--c-brand);border-left-color:var(--c-brand);text-decoration:none;background:var(--c-brand-soft)}
.toc-list .toc-l3{padding-left:24px;font-size:12.5px;color:var(--c-muted)}
.side-note{background:var(--c-brand-deep);border-radius:var(--radius-l);padding:20px;color:#E9F2EA}
.side-note h3{color:#FFFCF6;font-size:16px;margin-bottom:8px}
.side-note p{font-size:13.5px;line-height:1.8;color:#C6D6CB;margin:0 0 12px}
.side-note a{font-family:var(--font-ui);font-size:13px;font-weight:700;color:var(--c-signal)}

/* 作者卡 */
.author-card{display:grid;grid-template-columns:88px minmax(0,1fr);gap:24px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);padding:28px;box-shadow:var(--sh-1)}
.author-avatar{width:88px;height:88px;border-radius:50%;overflow:hidden;border:1px solid var(--c-line);background:var(--c-bg-alt);display:flex;align-items:center;justify-content:center}
.author-avatar img{width:100%;height:100%;object-fit:cover}
.author-name{font-family:var(--font-display);font-size:18px;font-weight:800;color:var(--c-brand-deep);margin-bottom:6px}
.author-card p{font-size:15px;line-height:1.9;color:var(--c-ink-2);margin:0 0 10px}
.author-note{font-family:var(--font-ui);font-size:13px;line-height:1.8;color:var(--c-muted);border-top:1px solid var(--c-line);padding-top:12px;margin-top:14px}
.author-note a{color:var(--c-accent);font-weight:700}

/* 相关推荐 */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;box-shadow:var(--sh-1)}
.rel-card:hover{transform:translateY(-2px);border-color:var(--c-brand);box-shadow:var(--sh-2);text-decoration:none}
.rel-thumb{aspect-ratio:4/3;overflow:hidden;background:var(--c-bg-alt)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.02)}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.rel-body h3{font-size:17px;line-height:1.55;margin:0;color:var(--c-ink)}
.rel-card:hover .rel-body h3{color:var(--c-brand)}
.rel-body p{font-size:14px;line-height:1.8;color:var(--c-ink-2);margin:0}
.rel-date{font-family:var(--font-ui);font-size:12.5px;color:var(--c-muted);margin-top:auto}

/* 上下篇 */
.postnav{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--c-line);padding-top:28px}
.postnav-item{display:flex;flex-direction:column;gap:4px;padding:14px 18px;border:1px solid var(--c-line);border-radius:var(--radius-m);background:var(--c-surface);min-width:220px;transition:border-color .18s ease,transform .18s ease}
.postnav-item:hover{border-color:var(--c-brand);transform:translateY(-2px);text-decoration:none}
.postnav-item span{font-family:var(--font-ui);font-size:12px;color:var(--c-muted);letter-spacing:.06em}
.postnav-item strong{font-family:var(--font-ui);font-size:15px;color:var(--c-brand-deep);font-weight:700}
.postnav-item--next{text-align:right;align-items:flex-end}

/* 结尾 CTA */
.cta-band{background:var(--c-brand-deep);color:#EDF3EE;border-top:0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;padding:56px 24px}
.cta-inner h2{color:#FFFCF6;font-size:clamp(22px,2.4vw,30px);margin-bottom:10px;max-width:620px}
.cta-inner p{color:#BFD2C5;font-size:15px;line-height:1.9;margin:0;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-actions .btn-ghost{color:#FFFCF6;border-color:rgba(255,252,246,.55)}
.cta-actions .btn-ghost:hover{background:rgba(255,252,246,.12);color:#FFFCF6}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-brand-deep);color:#D9E5DD;padding:56px 0 0;font-family:var(--font-ui)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-size:17px;font-weight:800;color:#FFFCF6;margin-bottom:14px}
.footer-brand svg{width:28px;height:28px;flex:none}
.site-footer p{font-size:14px;line-height:1.9;color:#B7C9BD;margin:0}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-signal);margin-bottom:14px}
.footer-list li{margin-bottom:8px}
.footer-list a{font-size:14px;line-height:1.7;color:#C4D4C9}
.footer-list a:hover{color:var(--c-signal);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,252,246,.14);padding:18px 0 22px;font-size:13px;color:#9FB4A7}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 20px}
  .a-layout{grid-template-columns:minmax(0,1fr) 210px;gap:36px}
}
@media (max-width:991px){
  .nav-main,.nav-cta{display:none}
  .nav-burger{display:flex;margin-left:auto}
  .a-layout{grid-template-columns:minmax(0,1fr)}
  .a-side{position:static;order:-1}
  .a-body{max-width:none}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{padding:52px 0}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .article-head{padding:28px 0 26px}
  .a-sub{font-size:16px}
  .a-meta{font-size:12.5px}
  .a-main{padding:16px 0 44px}
  .author-card{grid-template-columns:1fr;gap:16px;padding:22px}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .cta-inner{padding:40px 16px;gap:22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .postnav-item{min-width:0;width:100%}
  .postnav-item--next{align-items:flex-start;text-align:left}
}
@media (max-width:480px){
  h1{font-size:26px}
  .a-body{font-size:16px}
  .a-body h2{margin-top:36px}
  .btn{padding:12px 18px;font-size:14px}
  .crumb .cur{max-width:26ch}
}

/* roulang page: category2 */
:root{
  --c-bg:#F7F3EB;--c-bg-alt:#EFE8DB;--c-surface:#FFFCF6;
  --c-ink:#1B211D;--c-ink-2:#45514A;--c-muted:#7B857D;
  --c-brand:#1E5B44;--c-brand-2:#2F7A5B;--c-brand-deep:#123A2B;
  --c-brand-soft:#E3EEE6;--c-accent:#DE6136;--c-accent-soft:#F8DDD2;
  --c-signal:#C9E06A;--c-line:#DED6C7;--c-danger:#B8462E;
  --font-display:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-ui:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --radius-s:4px;--radius-m:8px;--radius-l:10px;
  --sh-1:0 1px 2px rgba(27,33,29,.06);
  --sh-2:0 8px 24px -12px rgba(27,33,29,.18);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);font-size:17px;line-height:1.95;color:var(--c-ink);background:var(--c-bg);-webkit-font-smoothing:antialiased}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;letter-spacing:0;line-height:1.32;margin:0 0 16px;color:var(--c-ink)}
h1{font-size:clamp(30px,4vw,44px)}
h2{font-size:clamp(24px,2.6vw,32px)}
h3{font-size:20px;line-height:1.45}
p{margin:0 0 1.05em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--c-brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}
a:active{color:var(--c-brand-deep)}
button{font:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.skip-nav{position:absolute;left:-9999px;top:0;background:var(--c-brand);color:#fff;padding:10px 18px;z-index:200}
.skip-nav:focus{left:12px;top:12px;color:#fff}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,243,235,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;font-size:17px;color:var(--c-brand-deep);white-space:nowrap}
.logo:hover{text-decoration:none;color:var(--c-brand-deep)}
.logo svg{width:30px;height:30px;flex:none}
.logo em{font-style:normal;color:var(--c-brand-2);font-weight:600}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;gap:6px;padding:10px 12px;font-family:var(--font-ui);font-size:15px;font-weight:500;color:var(--c-ink-2);border-radius:var(--radius-m);background:none;border:0;cursor:pointer;transition:background .18s ease,color .18s ease}
.nav-link:hover{background:var(--c-brand-soft);color:var(--c-brand);text-decoration:none}
.nav-link.active{color:var(--c-brand);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--c-brand);border-radius:2px}
.nav-link .chev{width:12px;height:12px;transition:transform .18s ease}
.nav-mega{position:relative}
.nav-mega.open .chev{transform:rotate(180deg)}
.mega-panel{position:absolute;top:calc(100% + 14px);right:0;width:min(1120px,calc(100vw - 48px));background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);box-shadow:var(--sh-2);padding:26px;display:grid;grid-template-columns:1fr 1fr 1fr 1.1fr;gap:24px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .18s ease,transform .18s ease,visibility .18s}
.nav-mega.open .mega-panel,.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-family:var(--font-ui);font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-muted);margin-bottom:12px}
.mega-list li{margin-bottom:4px}
.mega-list a{display:block;padding:6px 8px;border-radius:var(--radius-s);font-size:14px;font-family:var(--font-ui);color:var(--c-ink-2);line-height:1.6}
.mega-list a:hover{background:var(--c-brand-soft);color:var(--c-brand);text-decoration:none}
.mega-list .m-date{display:block;font-size:12px;color:var(--c-muted);font-family:var(--font-ui)}
.mega-card{background:var(--c-brand-soft);border-radius:var(--radius-m);padding:18px;display:flex;flex-direction:column;gap:8px}
.mega-card strong{font-family:var(--font-display);font-size:16px;color:var(--c-brand-deep)}
.mega-card p{font-size:13px;line-height:1.7;color:var(--c-ink-2);margin:0}
.mega-card .mega-link{font-family:var(--font-ui);font-size:13px;font-weight:700;color:var(--c-accent)}
.nav-cta{flex:none}
.nav-burger{display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--radius-m);background:var(--c-surface);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.nav-burger span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px}
.mobile-drawer{display:none;position:fixed;inset:0;z-index:90;background:var(--c-bg);padding:20px 20px 40px;overflow-y:auto}
.mobile-drawer.open{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:44px;height:44px;border:1px solid var(--c-line);background:var(--c-surface);border-radius:var(--radius-m);font-size:20px;line-height:1;cursor:pointer;color:var(--c-ink)}
.drawer-nav a{display:block;padding:14px 4px;border-bottom:1px solid var(--c-line);font-family:var(--font-ui);font-size:16px;color:var(--c-ink)}
.drawer-nav a.active{color:var(--c-brand);font-weight:700}
.drawer-note{margin-top:24px;font-size:13px;color:var(--c-muted);font-family:var(--font-ui);line-height:1.8}

/* ---------- buttons / badges ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:var(--radius-m);font-family:var(--font-ui);font-size:15px;font-weight:700;line-height:1.2;border:1px solid transparent;cursor:pointer;transition:background .18s ease,color .18s ease,transform .12s ease,border-color .18s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-brand);color:#FFFCF6}
.btn-primary:hover{background:var(--c-brand-deep);color:#FFFCF6}
.btn-accent{background:var(--c-accent);color:#FFFCF6}
.btn-accent:hover{background:#C24F27;color:#FFFCF6}
.btn-ghost{background:transparent;color:var(--c-brand);border-color:var(--c-brand)}
.btn-ghost:hover{background:var(--c-brand-soft);color:var(--c-brand-deep)}
.btn-light{background:var(--c-surface);color:var(--c-brand-deep);border-color:var(--c-line)}
.btn-light:hover{background:#fff;color:var(--c-brand);border-color:var(--c-brand)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn .arrow{transition:transform .18s ease}
.btn:hover .arrow{transform:translateX(2px)}
.text-link{font-family:var(--font-ui);font-weight:700;font-size:14px;color:var(--c-brand);border-bottom:1px solid transparent;transition:border-color .18s,color .18s}
.text-link:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);text-decoration:none}
.badge{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-ui);font-size:12px;font-weight:600;line-height:1.5;padding:3px 10px;border-radius:999px;background:var(--c-brand-soft);color:var(--c-brand-deep);white-space:nowrap}
.badge.accent{background:var(--c-accent-soft);color:#9C3E1E}
.badge.line{background:transparent;border:1px solid var(--c-line);color:var(--c-ink-2)}

/* ---------- section base ---------- */
.section{padding:72px 0;border-top:1px solid var(--c-line)}
.section.alt{background:var(--c-bg-alt)}
.section.plain{border-top:0}
.section-head{max-width:780px;margin-bottom:40px}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--c-ink-2);font-size:16px;line-height:1.9;margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-ui);font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-brand-2);background:var(--c-brand-soft);padding:5px 12px;border-radius:999px;margin-bottom:18px}
.eyebrow.solid{background:var(--c-brand);color:#F3F8F4}

/* ---------- page head (分类页头：居中窄栏) ---------- */
.page-head{padding:56px 0 60px;border-bottom:1px solid var(--c-line);background:linear-gradient(180deg,var(--c-bg) 0%,var(--c-bg-alt) 100%)}
.page-head-inner{max-width:820px;margin:0 auto;text-align:center}
.crumb{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;font-family:var(--font-ui);font-size:13px;color:var(--c-muted);margin-bottom:20px}
.crumb a{color:var(--c-ink-2)}
.crumb a:hover{color:var(--c-accent);text-decoration:none}
.crumb .sep{color:var(--c-line)}
.page-head h1{margin-bottom:18px}
.page-head .lede{font-size:17px;line-height:1.95;color:var(--c-ink-2);max-width:720px;margin:0 auto 26px}
.tag-row{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.tag{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-ui);font-size:13px;font-weight:600;color:var(--c-brand-deep);background:var(--c-surface);border:1px solid var(--c-line);padding:6px 14px;border-radius:999px;transition:border-color .18s,color .18s,background .18s}
.tag:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-brand-soft);text-decoration:none}

/* ---------- feature grid 2x2 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.feature-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);padding:28px 26px;box-shadow:var(--sh-1);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.feature-card:hover{transform:translateY(-2px);border-color:var(--c-brand);box-shadow:var(--sh-2)}
.feature-card .f-icon{width:44px;height:44px;border-radius:50%;background:var(--c-brand-soft);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.feature-card .f-icon svg{width:22px;height:22px;stroke:var(--c-brand);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.feature-card h3{margin-bottom:8px;font-size:19px}
.feature-card p{font-size:15px;line-height:1.85;color:var(--c-ink-2);margin:0}
.feature-card .f-note{display:inline-block;margin-top:14px;font-family:var(--font-ui);font-size:12.5px;color:var(--c-muted)}

/* ---------- step strip 横向 5 步 ---------- */
.step-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:2px solid var(--c-brand);background:var(--c-surface);border-radius:var(--radius-l);overflow:hidden;border-left:1px solid var(--c-line);border-right:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.step-cell{padding:26px 20px;border-right:1px solid var(--c-line);position:relative;transition:background .2s ease}
.step-cell:last-child{border-right:0}
.step-cell:hover{background:var(--c-bg-alt)}
.step-cell .s-num{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:var(--c-signal);color:var(--c-brand-deep);font-family:var(--font-ui);font-size:13px;font-weight:800;margin-bottom:12px}
.step-cell h3{font-size:16px;margin-bottom:6px;line-height:1.4}
.step-cell p{font-size:13.5px;line-height:1.75;color:var(--c-ink-2);margin:0}

/* ---------- checklist 两栏 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.check-box{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);padding:26px;box-shadow:var(--sh-1)}
.check-box h3{display:flex;align-items:center;gap:10px;font-size:18px;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--c-line)}
.check-box h3 span.dot{width:8px;height:8px;border-radius:50%;background:var(--c-brand);flex:none}
.check-box li{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--c-line);font-size:15px;line-height:1.8;color:var(--c-ink-2)}
.check-box li:last-child{border-bottom:0;padding-bottom:0}
.check-box li svg{width:18px;height:18px;flex:none;margin-top:5px;stroke:var(--c-brand);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.check-box li strong{color:var(--c-ink);font-family:var(--font-ui);font-size:15px;display:block;margin-bottom:2px}

/* ---------- scenes 图文交错 ---------- */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;padding:34px 0;border-bottom:1px solid var(--c-line)}
.scene:last-child{border-bottom:0;padding-bottom:0}
.scene:first-child{padding-top:0}
.scene-media{border-radius:var(--radius-m);overflow:hidden;border:1px solid var(--c-line);background:var(--c-bg-alt)}
.scene-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s ease}
.scene:hover .scene-media img{transform:scale(1.02)}
.scene-body h3{margin-bottom:10px}
.scene-body p{color:var(--c-ink-2);font-size:15.5px;line-height:1.9;margin-bottom:14px}
.scene.rev .scene-media{order:2}

/* ---------- myths 对照 ---------- */
.myth-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.myth-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);padding:22px 24px;box-shadow:var(--sh-1);transition:border-color .2s ease,transform .2s ease}
.myth-card:hover{border-color:var(--c-brand);transform:translateY(-2px)}
.myth-row{display:flex;gap:12px;align-items:flex-start}
.myth-row + .myth-row{margin-top:14px;padding-top:14px;border-top:1px dashed var(--c-line)}
.myth-label{flex:none;font-family:var(--font-ui);font-size:12px;font-weight:700;padding:2px 9px;border-radius:var(--radius-s);line-height:1.9}
.myth-label.bad{background:var(--c-accent-soft);color:#9C3E1E}
.myth-label.good{background:var(--c-brand-soft);color:var(--c-brand-deep)}
.myth-row p{margin:0;font-size:15px;line-height:1.8;color:var(--c-ink-2)}
.myth-row p strong{color:var(--c-ink);font-family:var(--font-ui)}

/* ---------- post list ---------- */
.post-list{border-top:1px solid var(--c-line)}
.post-item{display:flex;align-items:flex-start;gap:20px;padding:22px 4px;border-bottom:1px solid var(--c-line);transition:background .18s ease,padding-left .18s ease}
.post-item:hover{background:var(--c-surface);text-decoration:none;padding-left:12px}
.post-main{flex:1;min-width:0}
.post-main strong{display:block;font-family:var(--font-display);font-size:18px;font-weight:700;color:var(--c-ink);line-height:1.5;margin-bottom:6px}
.post-item:hover .post-main strong{color:var(--c-brand)}
.post-desc{display:block;font-size:14.5px;line-height:1.8;color:var(--c-ink-2);margin-bottom:10px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-family:var(--font-ui);font-size:12.5px;color:var(--c-muted)}
.post-arrow{flex:none;font-size:18px;color:var(--c-muted);line-height:1.4;transition:transform .18s ease,color .18s ease}
.post-item:hover .post-arrow{transform:translateX(3px);color:var(--c-accent)}
.empty-state{border:1.5px dashed var(--c-line);border-radius:var(--radius-l);padding:44px 24px;text-align:center;background:var(--c-surface)}
.empty-state svg{width:36px;height:36px;stroke:var(--c-muted);fill:none;stroke-width:1.5;margin:0 auto 14px}
.empty-state p{margin:0 0 14px;color:var(--c-ink-2);font-size:15px}

/* ---------- cta band ---------- */
.cta-band{background:var(--c-brand);color:#F3F8F4;border-top:0}
.cta-band .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#FFFCF6;margin-bottom:8px}
.cta-band p{color:rgba(247,243,235,.82);margin:0;font-size:15.5px;max-width:620px}
.cta-band .btn-light{background:var(--c-signal);border-color:var(--c-signal);color:var(--c-brand-deep)}
.cta-band .btn-light:hover{background:#D8ED86;border-color:#D8ED86;color:var(--c-brand-deep)}

/* ---------- safety notice ---------- */
.notice-bar{display:flex;gap:14px;align-items:flex-start;background:var(--c-accent-soft);border-left:3px solid var(--c-accent);border-radius:var(--radius-m);padding:18px 22px;margin-top:32px}
.notice-bar svg{width:20px;height:20px;flex:none;margin-top:4px;stroke:#9C3E1E;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.notice-bar p{margin:0;font-size:14.5px;line-height:1.8;color:#7C3417;font-family:var(--font-ui)}

/* ---------- footer ---------- */
.site-footer{background:var(--c-brand-deep);color:#EFE8DB;padding:64px 0 0;font-family:var(--font-ui)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;font-size:17px;color:#FFFCF6;margin-bottom:16px}
.footer-brand svg{width:28px;height:28px;flex:none}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(239,232,219,.72);margin:0}
.footer-title{font-family:var(--font-ui);font-size:14px;font-weight:700;color:#FFFCF6;margin-bottom:16px;letter-spacing:.04em}
.footer-list li{margin-bottom:10px}
.footer-list a{font-size:14px;color:rgba(239,232,219,.75);line-height:1.7;transition:color .18s ease}
.footer-list a:hover{color:var(--c-signal);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.footer-bottom{border-top:1px solid rgba(239,232,219,.16);padding:20px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(239,232,219,.6)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .mega-panel{grid-template-columns:1fr 1fr;width:min(720px,calc(100vw - 48px))}
}
@media (max-width:991px){
  .nav-main{display:none}
  .nav-burger{display:flex;margin-left:auto}
  .nav-cta{display:none}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .step-strip{grid-template-columns:repeat(2,1fr)}
  .step-cell{border-bottom:1px solid var(--c-line)}
  .step-cell:nth-child(2n){border-right:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .scene{gap:28px}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.9}
  .page-head{padding:36px 0 40px}
  .section{padding:44px 0}
  .feature-grid{grid-template-columns:1fr}
  .check-grid{grid-template-columns:1fr}
  .myth-grid{grid-template-columns:1fr}
  .step-strip{grid-template-columns:1fr;border-radius:var(--radius-m)}
  .step-cell{border-right:0}
  .scene{grid-template-columns:1fr;gap:18px}
  .scene.rev .scene-media{order:0}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column}
  .cta-band .cta-inner{flex-direction:column;align-items:flex-start}
  .post-item{gap:12px}
  .post-arrow{display:none}
}
@media (max-width:480px){
  body{font-size:15.5px}
  h1{font-size:28px}
  h2{font-size:22px}
  .container{padding:0 16px}
  .btn{width:100%;padding:13px 18px}
  .btn.btn-inline{width:auto}
  .tag{font-size:12px;padding:5px 11px}
  .feature-card,.check-box{padding:20px 18px}
  .post-main strong{font-size:16.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
  --c-bg:#F7F3EB;--c-bg-alt:#EFE8DB;--c-surface:#FFFCF6;
  --c-ink:#1B211D;--c-ink-2:#45514A;--c-muted:#7B857D;
  --c-brand:#1E5B44;--c-brand-2:#2F7A5B;--c-brand-deep:#123A2B;
  --c-brand-soft:#E3EEE6;--c-accent:#DE6136;--c-accent-soft:#F8DDD2;
  --c-signal:#C9E06A;--c-line:#DED6C7;--c-danger:#B8462E;
  --font-display:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-ui:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --radius-s:4px;--radius-m:8px;--radius-l:10px;
  --sh-1:0 1px 2px rgba(27,33,29,.06);
  --sh-2:0 8px 24px -12px rgba(27,33,29,.18);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);font-size:17px;line-height:1.95;color:var(--c-ink);background:var(--c-bg);-webkit-font-smoothing:antialiased}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border-radius:var(--radius-m)}
a{color:var(--c-brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}
a:active{color:var(--c-brand-deep)}
a:focus-visible,button:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:var(--radius-s)}
p{margin:0 0 1.2em}
h1,h2,h3,h4{font-family:var(--font-display);letter-spacing:0;font-weight:800;line-height:1.35;margin:0;color:var(--c-ink)}
h1{font-size:clamp(30px,4vw,44px)}
h2{font-size:clamp(24px,3vw,32px);margin-bottom:14px}
h3{font-size:20px;margin-bottom:10px}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,243,235,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;font-size:17px;color:var(--c-brand-deep);white-space:nowrap}
.logo:hover{text-decoration:none;color:var(--c-brand-deep)}
.logo svg{width:30px;height:30px;flex:none}
.logo em{font-style:normal;color:var(--c-brand-2);font-weight:600}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;gap:6px;padding:10px 12px;font-family:var(--font-ui);font-size:15px;font-weight:500;color:var(--c-ink-2);border-radius:var(--radius-m);background:none;border:0;transition:background .18s ease,color .18s ease}
.nav-link:hover{background:var(--c-brand-soft);color:var(--c-brand);text-decoration:none}
.nav-link.active{color:var(--c-brand);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--c-brand);border-radius:2px}
.nav-link .chev{width:12px;height:12px;transition:transform .18s ease}
.nav-mega{position:relative}
.nav-mega.open .chev{transform:rotate(180deg)}
.mega-panel{position:absolute;top:calc(100% + 14px);right:0;width:min(1120px,calc(100vw - 48px));background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);box-shadow:var(--sh-2);padding:26px;display:grid;grid-template-columns:1fr 1fr 1fr 1.1fr;gap:24px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .18s ease,transform .18s ease,visibility .18s}
.nav-mega.open .mega-panel,.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-family:var(--font-ui);font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-muted);margin-bottom:12px}
.mega-list li{margin-bottom:4px}
.mega-list a{display:block;padding:6px 8px;border-radius:var(--radius-s);font-size:14px;font-family:var(--font-ui);color:var(--c-ink-2);line-height:1.6}
.mega-list a:hover{background:var(--c-brand-soft);color:var(--c-brand);text-decoration:none}
.mega-list .m-date{display:block;font-size:12px;color:var(--c-muted);font-family:var(--font-ui)}
.mega-card{background:var(--c-brand-soft);border-radius:var(--radius-m);padding:18px;display:flex;flex-direction:column;gap:8px}
.mega-card strong{font-family:var(--font-display);font-size:16px;color:var(--c-brand-deep)}
.mega-card p{font-size:13px;line-height:1.7;color:var(--c-ink-2);margin:0}
.mega-card .mega-link{font-family:var(--font-ui);font-size:13px;font-weight:700;color:var(--c-accent)}
.nav-cta{flex:none}
.nav-burger{display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--radius-m);background:var(--c-surface);align-items:center;justify-content:center;flex-direction:column;gap:4px}
.nav-burger span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px}
/* ---------- mobile drawer ---------- */
.drawer{position:fixed;inset:0;z-index:90;background:var(--c-bg);padding:20px 20px 40px;overflow-y:auto;display:none}
.drawer.open{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--radius-m);background:var(--c-surface);font-size:20px;line-height:1;color:var(--c-ink)}
.drawer-list a{display:block;padding:14px 4px;border-bottom:1px solid var(--c-line);font-family:var(--font-ui);font-size:16px;font-weight:600;color:var(--c-ink)}
.drawer-list a.active{color:var(--c-brand)}
.drawer-sub{padding:8px 0 0 14px}
.drawer-sub a{font-size:14px;font-weight:400;color:var(--c-ink-2);border-bottom:1px dashed var(--c-line)}
/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:var(--radius-m);font-family:var(--font-ui);font-size:15px;font-weight:700;line-height:1.2;border:1px solid transparent;cursor:pointer;transition:background .18s ease,color .18s ease,transform .12s ease,border-color .18s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-brand);color:#FFFCF6}
.btn-primary:hover{background:var(--c-brand-deep);color:#FFFCF6}
.btn-accent{background:var(--c-accent);color:#FFFCF6}
.btn-accent:hover{background:#C24F27;color:#FFFCF6}
.btn-ghost{background:transparent;color:var(--c-brand);border-color:var(--c-brand)}
.btn-ghost:hover{background:var(--c-brand-soft);color:var(--c-brand-deep)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn .arrow{transition:transform .18s ease}
.btn:hover .arrow{transform:translateX(2px)}
.text-link{font-family:var(--font-ui);font-weight:700;font-size:14px;color:var(--c-brand);border-bottom:1px solid transparent;transition:border-color .18s,color .18s}
.text-link:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);text-decoration:none}
/* ---------- generic ---------- */
.section{padding:72px 0;border-top:1px solid var(--c-line)}
.section.alt{background:var(--c-bg-alt)}
.section.plain{border-top:0}
.section-head{max-width:780px;margin-bottom:40px}
.section-head p{color:var(--c-ink-2);font-size:16px;line-height:1.9;margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-ui);font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-brand-2);background:var(--c-brand-soft);padding:5px 12px;border-radius:999px;margin-bottom:18px}
.badge{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-ui);font-size:12px;font-weight:700;line-height:1.4;padding:4px 10px;border-radius:999px;background:var(--c-brand-soft);color:var(--c-brand-deep);white-space:nowrap}
.badge.orange{background:var(--c-accent-soft);color:#8E3A1B}
.badge.plain{background:var(--c-bg-alt);color:var(--c-ink-2)}
.badge.signal{background:var(--c-signal);color:#2A3A0B}
/* ---------- breadcrumb ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--font-ui);font-size:13px;color:var(--c-muted);margin-bottom:26px}
.breadcrumb a{color:var(--c-ink-2)}
.breadcrumb span[aria-current]{color:var(--c-ink)}
/* ---------- page hero ---------- */
.route-hero-sec{padding-top:44px;padding-bottom:64px;background:linear-gradient(180deg,#F7F3EB 0%,#EFE8DB 100%)}
.route-hero{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.route-hero h1{margin-bottom:18px}
.route-hero .lead{font-size:17px;line-height:1.95;color:var(--c-ink-2);margin-bottom:22px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.hero-facts span{font-family:var(--font-ui);font-size:13px;font-weight:600;color:var(--c-brand-deep);background:var(--c-surface);border:1px solid var(--c-line);border-radius:999px;padding:6px 14px;box-shadow:var(--sh-1)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.route-hero-media{display:flex;flex-direction:column;gap:14px}
.route-hero-media figure{margin:0;border:1px solid var(--c-line);border-radius:var(--radius-l);overflow:hidden;background:var(--c-surface);box-shadow:var(--sh-2)}
.route-hero-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.route-hero-media figcaption{font-family:var(--font-ui);font-size:13px;color:var(--c-muted);padding:10px 14px;line-height:1.7}
.countdown-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;background:var(--c-brand-deep);border-radius:var(--radius-m);padding:14px 18px}
.countdown-bar .cd-label{font-family:var(--font-ui);font-size:13px;color:#D8E3DC;letter-spacing:.04em}
.countdown-bar strong{font-family:var(--font-ui);font-size:16px;font-weight:800;color:var(--c-signal);font-variant-numeric:tabular-nums}
/* ---------- chips ---------- */
.chip-bar{display:grid;gap:16px}
.chip-group{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.chip-group .chip-label{font-family:var(--font-ui);font-size:13px;font-weight:700;color:var(--c-muted);min-width:56px;letter-spacing:.06em}
.chip{display:inline-flex;align-items:center;padding:7px 16px;border-radius:999px;border:1px solid var(--c-line);background:var(--c-surface);font-family:var(--font-ui);font-size:14px;font-weight:500;color:var(--c-ink-2);transition:background .18s,border-color .18s,color .18s}
.chip.on{background:var(--c-brand);border-color:var(--c-brand);color:#FFFCF6;font-weight:700}
.chip:hover{border-color:var(--c-brand);color:var(--c-brand)}
.chip.on:hover{color:#FFFCF6}
/* ---------- route cards ---------- */
.route-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.route-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;display:flex;flex-direction:column}
.route-card:hover{transform:translateY(-2px);border-color:var(--c-brand);box-shadow:var(--sh-2)}
.route-card .rc-media{overflow:hidden;border-bottom:1px solid var(--c-line)}
.route-card .rc-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .3s ease}
.route-card:hover .rc-media img{transform:scale(1.02)}
.route-card .rc-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.route-card h3{margin:0;font-size:20px}
.route-card p{margin:0;font-size:15px;line-height:1.85;color:var(--c-ink-2)}
.rc-meta{display:flex;flex-wrap:wrap;gap:8px}
.rc-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px;border-top:1px dashed var(--c-line);font-family:var(--font-ui);font-size:13px;color:var(--c-muted)}
/* ---------- legend ---------- */
.legend-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.legend-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);padding:24px 20px;box-shadow:var(--sh-1);transition:border-color .2s ease,transform .2s ease}
.legend-item:hover{border-color:var(--c-brand);transform:translateY(-2px)}
.legend-item .lg-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-m);background:var(--c-brand-soft);margin-bottom:14px}
.legend-item .lg-icon svg{width:22px;height:22px;stroke:var(--c-brand);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.legend-item h3{font-size:17px;margin-bottom:6px}
.legend-item p{font-size:14px;line-height:1.8;color:var(--c-ink-2);margin:0}
/* ---------- tip cards ---------- */
.tip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tip-card{background:var(--c-surface);border:1px solid var(--c-line);border-left:3px solid var(--c-accent);border-radius:var(--radius-m);padding:24px 22px;box-shadow:var(--sh-1)}
.tip-card h3{font-size:18px;margin-bottom:10px}
.tip-card p{font-size:14px;line-height:1.85;color:var(--c-ink-2);margin:0}
.tip-card .tip-tag{display:inline-block;font-family:var(--font-ui);font-size:12px;font-weight:700;color:#8E3A1B;background:var(--c-accent-soft);border-radius:999px;padding:3px 10px;margin-bottom:12px}
/* ---------- etiquette ---------- */
.etiquette{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.et-item{display:flex;gap:18px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);padding:22px;box-shadow:var(--sh-1)}
.et-num{font-family:var(--font-ui);font-size:30px;font-weight:800;line-height:1;color:var(--c-signal);-webkit-text-stroke:1px #9CBF34;flex:none}
.et-item h3{font-size:18px;margin-bottom:6px}
.et-item p{font-size:14px;line-height:1.85;color:var(--c-ink-2);margin:0}
.notice-strip{margin-top:24px;background:var(--c-accent-soft);border:1px solid #EEC7B4;border-radius:var(--radius-m);padding:16px 20px;font-family:var(--font-ui);font-size:14px;line-height:1.8;color:#7F3418}
/* ---------- article recommend ---------- */
.rec-list{border-top:1px solid var(--c-line)}
.rec-item{display:flex;flex-wrap:wrap;align-items:baseline;gap:14px;padding:18px 4px;border-bottom:1px solid var(--c-line);transition:background .18s ease}
.rec-item:hover{background:var(--c-surface)}
.rec-item .ri-cat{font-family:var(--font-ui);font-size:12px;font-weight:700;color:var(--c-brand-2);background:var(--c-brand-soft);padding:3px 10px;border-radius:999px;flex:none}
.rec-item .ri-title{font-family:var(--font-display);font-size:17px;font-weight:700;color:var(--c-ink);flex:1 1 320px;line-height:1.6}
.rec-item .ri-title:hover{color:var(--c-accent);text-decoration:none}
.rec-item .ri-date{font-family:var(--font-ui);font-size:13px;color:var(--c-muted);flex:none}
.empty-card{border:1px dashed var(--c-line);border-radius:var(--radius-l);padding:36px 24px;text-align:center;background:var(--c-surface);color:var(--c-muted);font-family:var(--font-ui);font-size:14px}
/* ---------- cta band ---------- */
.cta-band{background:var(--c-brand-deep);border-radius:var(--radius-l);padding:40px 44px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-band h2{color:#FFFCF6;font-size:clamp(22px,2.6vw,28px);margin-bottom:10px}
.cta-band p{color:#CFDDD4;font-size:15px;line-height:1.85;margin:0;max-width:620px}
.cta-band .btn-accent{flex:none}
/* ---------- footer ---------- */
.site-footer{background:var(--c-brand-deep);color:#E7EFE9;padding:64px 0 28px;border-top:1px solid #1B4A37;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;font-size:17px;color:#FFFCF6;margin-bottom:14px}
.footer-brand svg{width:28px;height:28px;flex:none}
.site-footer p{font-size:14px;line-height:1.9;color:#B9CCC2;margin:0}
.footer-title{font-family:var(--font-ui);font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-signal);margin-bottom:14px}
.footer-list li{margin-bottom:8px}
.footer-list a{font-family:var(--font-ui);font-size:14px;color:#CBDAD2;line-height:1.7}
.footer-list a:hover{color:var(--c-signal);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid #1B4A37;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-family:var(--font-ui);font-size:13px;color:#9FB5A9}
/* ---------- responsive ---------- */
@media (max-width:1199px){
  .route-hero{gap:36px}
}
@media (max-width:991px){
  .nav-main{display:none}
  .nav-burger{display:flex}
  .nav-cta{display:none}
  .nav-wrap{gap:12px}
  .route-hero{grid-template-columns:1fr;gap:28px}
  .legend-grid{grid-template-columns:repeat(2,1fr)}
  .tip-grid{grid-template-columns:1fr}
  .etiquette{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{padding:56px 0}
}
@media (max-width:768px){
  .route-grid{grid-template-columns:1fr}
  .cta-band{padding:30px 24px;flex-direction:column;align-items:flex-start}
  .cta-band .btn-accent{width:100%}
  .rec-item .ri-title{flex:1 1 100%}
}
@media (max-width:520px){
  body{font-size:16px}
  .container{padding:0 16px}
  .section{padding:44px 0}
  .route-hero-sec{padding-top:28px;padding-bottom:44px}
  .legend-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .chip-group .chip-label{min-width:100%}
  .btn{padding:12px 18px}
  .countdown-bar strong{font-size:15px}
  .et-num{font-size:24px}
}