/* roulang page: index */
:root{
  --coral:#E4573D;
  --coral-dark:#C8462F;
  --celadon:#2E6B5E;
  --celadon-soft:#E4EEE9;
  --ink:#241E26;
  --paper:#FAF6EF;
  --white:#FFFFFF;
  --apricot:#F3E7D8;
  --gold:#D9A441;
  --line:#E8DED2;
  --muted:#6F6670;
  --r-btn:12px;
  --r-card:18px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-1:0 4px 14px rgba(36,30,38,.06);
  --sh-2:0 14px 36px rgba(36,30,38,.10);
  --font:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.28}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
:focus-visible{outline:2px solid var(--coral);outline-offset:3px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:88px 0}
.bg-white{background:var(--white)}
.bg-apricot{background:var(--apricot)}
.bg-ink{background:var(--ink);color:var(--paper)}
.bg-paper{background:var(--paper)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(26px,3vw,36px)}
.sec-head .sec-desc{margin-top:12px;color:var(--muted);max-width:640px;font-size:15px}
.sec-link{display:inline-flex;align-items:center;gap:8px;color:var(--celadon);font-weight:600;font-size:15px;white-space:nowrap;transition:gap .2s ease,color .2s ease}
.sec-link:hover{gap:14px;color:var(--coral)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:var(--r-pill);background:var(--celadon-soft);color:var(--celadon);font-size:13px;font-weight:600;letter-spacing:.02em}
.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1.6}
.badge-green{background:var(--celadon-soft);color:var(--celadon)}
.badge-gold{background:var(--apricot);color:#9A6E1F}
.badge-coral{background:var(--coral);color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;border:1px solid transparent}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 6px 18px rgba(228,87,61,.24)}
.btn-primary:hover{background:var(--coral-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(228,87,61,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(228,87,61,.22)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--celadon);padding:0 4px;height:auto}
.btn-ghost:hover{color:var(--coral)}
.btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.card:hover{border-color:var(--coral);box-shadow:var(--sh-2);transform:translateY(-3px)}
.card h3{font-size:20px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14.5px}
.thumb{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px;background:var(--apricot)}
.thumb-32{aspect-ratio:3/2}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(36,30,38,.08)}
.nav-inner{display:flex;align-items:center;gap:28px;height:76px}
.logo{display:flex;flex-direction:column;line-height:1.2;flex-shrink:0}
.logo strong{font-size:19px;font-weight:700;letter-spacing:-.01em}
.logo span{font-size:11.5px;color:var(--muted);letter-spacing:.08em;margin-top:3px}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:8px}
.main-nav a{position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:6px 0;transition:color .18s ease}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:2px;background:var(--coral);transition:width .2s ease}
.main-nav a:hover{color:var(--coral)}
.main-nav a:hover::after,.main-nav a.active::after{width:22px}
.main-nav a.active{color:var(--coral);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
.nav-icon{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;border:1px solid var(--line);color:var(--ink);transition:border-color .2s ease,color .2s ease,background .2s ease}
.nav-icon:hover{border-color:var(--coral);color:var(--coral);background:#fff}
.nav-login{font-size:14.5px;font-weight:600;color:var(--ink);padding:8px 4px;transition:color .18s ease}
.nav-login:hover{color:var(--coral)}
.nav-cta{height:42px;padding:0 20px;border-radius:var(--r-btn);background:var(--coral);color:#fff;font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;transition:background .18s ease,transform .18s ease}
.nav-cta:hover{background:var(--coral-dark);transform:translateY(-2px)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{position:fixed;inset:0;z-index:80;display:none}
.mobile-drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(36,30,38,.4)}
.drawer-panel{position:absolute;top:0;right:0;width:min(320px,86vw);height:100%;background:var(--paper);padding:24px;display:flex;flex-direction:column;gap:8px;box-shadow:-12px 0 40px rgba(36,30,38,.16);overflow-y:auto}
.drawer-panel .drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);align-self:flex-end;display:flex;align-items:center;justify-content:center;font-size:18px}
.drawer-panel a{padding:12px 0;border-bottom:1px solid var(--line);font-size:15.5px;font-weight:500}
.drawer-panel a.active{color:var(--coral)}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:16px}
.drawer-actions .btn{width:100%}

/* hero */
.hero{position:relative;overflow:hidden;padding:56px 0 76px;background:var(--paper);
  background-image:linear-gradient(rgba(36,30,38,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(36,30,38,.045) 1px,transparent 1px);
  background-size:34px 34px}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;background:rgba(228,87,61,.16);pointer-events:none}
.hero::before{width:180px;height:180px;top:-60px;right:8%}
.hero::after{width:90px;height:90px;bottom:40px;left:-24px;background:rgba(217,164,65,.18)}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;min-height:560px}
.hero h1{font-size:clamp(34px,4.6vw,56px);margin:20px 0 20px}
.hero-sub{font-size:17px;color:#4A424C;max-width:540px;line-height:1.9}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:32px 0 24px}
.trust-bar{display:flex;gap:18px;flex-wrap:wrap;font-size:13.5px;color:var(--muted)}
.trust-bar li{display:inline-flex;align-items:center;gap:7px}
.trust-bar li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--celadon)}
.hero-media{position:relative;padding:10px 0 10px 18px}
.hero-media::before{content:"";position:absolute;inset:26px -14px 0 34px;background:var(--apricot);border-radius:var(--r-lg);transform:rotate(-2.4deg);z-index:0}
.hero-card{position:relative;z-index:1;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2);overflow:hidden}
.hero-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-card-body{padding:18px 20px 22px}
.hero-card-body .badge{margin-bottom:12px}
.topic-line{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px;line-height:1.65}
.topic-line:last-child{border-bottom:0;padding-bottom:0}
.topic-line b{color:var(--coral);font-weight:700;font-size:13px;flex-shrink:0;padding-top:2px}
.topic-line span{color:#3D3641}

/* channels */
.channel-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.channel-card{grid-column:span 3;position:relative;display:flex;flex-direction:column;gap:10px;padding:30px;border-radius:var(--r-card);border:1px solid var(--line);background:#fff;box-shadow:var(--sh-1);transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.channel-card:hover{border-color:var(--coral);transform:translateY(-3px);box-shadow:var(--sh-2)}
.channel-card.small{grid-column:span 2;padding:24px}
.channel-icon{width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--apricot);color:var(--celadon);font-weight:700;font-size:15px;letter-spacing:.02em}
.channel-card h3{font-size:20px}
.channel-card.small h3{font-size:17px}
.channel-card p{font-size:14px;color:var(--muted)}
.channel-arrow{margin-top:auto;color:var(--coral);font-weight:600;font-size:14px;display:inline-flex;gap:6px;align-items:center}
.channel-card:hover .channel-arrow{gap:12px}
.channel-card.big{background:linear-gradient(180deg,#fff 0%,#FFFDFA 100%)}

/* latest */
.latest-grid{display:grid;grid-template-columns:8fr 4fr;gap:32px;align-items:start}
.post-list{display:flex;flex-direction:column;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.post-item{display:grid;grid-template-columns:1fr 168px;gap:20px;padding:24px;border-bottom:1px solid var(--line);transition:background .18s ease}
.post-item:last-child{border-bottom:0}
.post-item:hover{background:#FFFCF7}
.post-item h3{font-size:18.5px;margin-bottom:8px;line-height:1.5}
.post-item h3 a:hover{color:var(--coral)}
.post-item .post-sum{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:12px;font-size:12.5px;color:var(--muted)}
.post-item img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px}
.pick-panel{display:flex;flex-direction:column;gap:20px}
.pick-head{display:flex;align-items:center;justify-content:space-between}
.pick-head h3{font-size:17px}
.pick-main{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.pick-main:hover{border-color:var(--coral);transform:translateY(-3px);box-shadow:var(--sh-2)}
.pick-main img{width:100%;aspect-ratio:16/9;object-fit:cover}
.pick-main .pick-body{padding:18px}
.pick-main h4{font-size:16.5px;margin:8px 0 6px;line-height:1.5}
.pick-main p{font-size:13.5px;color:var(--muted)}
.pick-mini{display:flex;gap:12px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:border-color .2s ease,transform .2s ease}
.pick-mini:hover{border-color:var(--coral);transform:translateY(-2px)}
.pick-mini img{width:76px;height:56px;object-fit:cover;border-radius:10px;flex-shrink:0}
.pick-mini h4{font-size:14.5px;line-height:1.5;font-weight:600}
.pick-mini span{font-size:12px;color:var(--muted)}
.empty-state{padding:28px;border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;color:var(--muted);font-size:14.5px}
.empty-state a{color:var(--celadon);font-weight:600}

/* city */
.city-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.city-chip{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.city-chip:hover{border-color:var(--coral);transform:translateY(-2px);box-shadow:var(--sh-1)}
.city-chip strong{font-size:15.5px;font-weight:600}
.city-chip em{display:block;font-style:normal;font-size:12px;color:var(--muted);margin-top:2px}
.city-chip i{font-style:normal;color:var(--coral);font-weight:700}

/* scenes */
.scene-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:64px}
.scene-row:last-child{margin-bottom:0}
.scene-row.reverse .scene-text{order:2}
.scene-text h3{font-size:24px;margin-bottom:14px}
.scene-text p{color:var(--muted);font-size:15px}
.scene-list{margin:20px 0 24px;display:flex;flex-direction:column;gap:12px}
.scene-list li{display:flex;gap:12px;font-size:14.5px;color:#3D3641;align-items:flex-start}
.scene-list li::before{content:"";width:18px;height:18px;border-radius:6px;background:var(--celadon-soft);border:1px solid #C9DED5;flex-shrink:0;margin-top:4px}
.scene-media{position:relative}
.scene-media img{width:100%;border-radius:var(--r-lg);aspect-ratio:4/3;object-fit:cover;box-shadow:var(--sh-2)}
.scene-tag{position:absolute;left:18px;bottom:18px;background:rgba(250,246,239,.94);border-radius:var(--r-pill);padding:7px 16px;font-size:13px;font-weight:600;color:var(--celadon);box-shadow:var(--sh-1)}

/* steps */
.steps{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:8px}
.steps::before{content:"";position:absolute;left:0;right:0;top:26px;height:1px;background:var(--line)}
.step{position:relative;padding-right:12px}
.step-num{position:relative;z-index:1;display:inline-flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:50%;background:#fff;border:1px solid var(--line);color:var(--coral);font-weight:700;font-size:16px;margin-bottom:18px}
.step h3{font-size:19px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted)}
.steps-cta{margin-top:40px}

/* safety */
.safety-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.seal{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(250,246,239,.4);border-radius:10px;padding:8px 16px;font-size:13px;letter-spacing:.14em;color:var(--paper);margin-bottom:20px}
.safety-grid h2{font-size:clamp(26px,3vw,36px);color:var(--paper)}
.safety-grid .lead{color:rgba(250,246,239,.72);font-size:15px;margin-top:16px}
.safety-list{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.safety-item{border:1px solid rgba(250,246,239,.18);border-radius:var(--r-card);padding:24px;background:rgba(250,246,239,.04);transition:background .2s ease,border-color .2s ease}
.safety-item:hover{background:rgba(250,246,239,.08);border-color:rgba(250,246,239,.34)}
.safety-item h3{font-size:17px;color:var(--paper);margin-bottom:8px}
.safety-item p{font-size:13.5px;color:rgba(250,246,239,.68)}
.safety-item b{display:inline-flex;width:26px;height:26px;border-radius:8px;background:var(--coral);color:#fff;align-items:center;justify-content:center;font-size:13px;margin-bottom:12px}

/* topics feature */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.feature-card:hover{border-color:var(--coral);transform:translateY(-3px);box-shadow:var(--sh-2)}
.feature-card img{width:100%;aspect-ratio:3/2;object-fit:cover}
.feature-card .fc-body{padding:22px}
.feature-card h3{font-size:19px;margin:10px 0 8px;line-height:1.5}
.feature-card p{font-size:14px;color:var(--muted)}
.feature-card.tall img{aspect-ratio:4/5}
.feature-card.tall{margin-top:-28px}
.feature-meta{display:flex;gap:10px;align-items:center;font-size:12.5px;color:var(--muted);margin-top:14px}

/* night talk */
.scroll-row{display:flex;gap:20px;overflow-x:auto;padding:6px 4px 20px;scroll-snap-type:x mandatory}
.scroll-row::-webkit-scrollbar{height:6px}
.scroll-row::-webkit-scrollbar-thumb{background:#DCCFBE;border-radius:999px}
.talk-card{flex:0 0 300px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:border-color .2s ease,transform .2s ease}
.talk-card:hover{border-color:var(--coral);transform:translateY(-3px)}
.talk-card h3{font-size:17.5px;margin:12px 0 10px;line-height:1.5}
.talk-card p{font-size:13.5px;color:var(--muted)}
.talk-foot{display:flex;justify-content:space-between;align-items:center;margin-top:18px;font-size:12.5px;color:var(--muted);border-top:1px dashed var(--line);padding-top:14px}

/* hot list */
.hot-list{display:grid;grid-template-columns:1fr 1fr;gap:0 48px}
.hot-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.hot-num{font-size:19px;font-weight:700;color:var(--gold);min-width:34px;line-height:1.4}
.hot-item:nth-child(1) .hot-num,.hot-item:nth-child(2) .hot-num{color:var(--coral)}
.hot-body{flex:1}
.hot-body h3{font-size:16.5px;line-height:1.55;margin-bottom:8px}
.hot-body h3 a:hover{color:var(--coral)}
.hot-body .hot-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);flex-wrap:wrap}
.heat{display:inline-block;width:88px;height:5px;border-radius:999px;background:var(--apricot);overflow:hidden;vertical-align:middle}
.heat i{display:block;height:100%;background:var(--coral);border-radius:999px}

/* stories */
.story-row{display:flex;gap:20px;overflow-x:auto;padding:6px 4px 20px;scroll-snap-type:x mandatory}
.story-card{flex:0 0 320px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1)}
.story-card .quote{font-size:15px;line-height:1.85;color:#3D3641}
.story-user{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:16px;border-top:1px dashed var(--line)}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--celadon-soft);color:var(--celadon);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.story-user strong{display:block;font-size:14px}
.story-user span{font-size:12px;color:var(--muted)}
.note-line{font-size:12.5px;color:var(--muted);margin-top:16px}

/* stats */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);transition:transform .2s ease,border-color .2s ease}
.stat-card:hover{transform:translateY(-3px);border-color:var(--celadon)}
.stat-card .num{font-size:clamp(28px,3.4vw,40px);font-weight:700;color:var(--celadon);letter-spacing:-.03em;line-height:1.2}
.stat-card strong{display:block;font-size:15px;margin:8px 0 6px}
.stat-card p{font-size:13px;color:var(--muted)}

/* faq */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-grid h2{font-size:clamp(26px,3vw,34px)}
.faq-grid .faq-note{color:var(--muted);font-size:14.5px;margin-top:14px}
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{list-style:none;cursor:pointer;padding:22px 24px;font-size:16px;font-weight:600;display:flex;justify-content:space-between;gap:16px;align-items:center;transition:color .18s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;font-weight:500;color:var(--coral);transition:transform .2s ease;line-height:1}
.faq-item[open] summary{color:var(--coral)}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-item p{padding:0 24px 22px;color:var(--muted);font-size:14.5px}

/* join */
.join-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2);padding:48px;display:grid;grid-template-columns:7fr 5fr;gap:56px}
.join-wrap h2{font-size:clamp(26px,3vw,34px);margin-bottom:12px}
.join-wrap .join-sub{color:var(--muted);font-size:15px;margin-bottom:28px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:span 2}
.field label{font-size:14px;font-weight:600}
.field input,.field select,.field textarea{height:48px;border:1px solid var(--line);border-radius:var(--r-btn);padding:0 14px;background:#fff;transition:border-color .18s ease,box-shadow .18s ease;font-size:15px}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--coral);box-shadow:0 0 0 2px rgba(228,87,61,.2)}
.field .hint{font-size:12.5px;color:var(--muted)}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:#3D3641;grid-column:span 2}
.check-line input{width:18px;height:18px;height:auto;margin-top:4px;flex-shrink:0;accent-color:var(--coral)}
.form-actions{grid-column:span 2;display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:4px}
.join-side{background:var(--apricot);border-radius:var(--r-card);padding:28px;display:flex;flex-direction:column;gap:18px}
.qr-box{width:132px;height:132px;border-radius:16px;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;text-align:center;font-size:12.5px;color:var(--muted);padding:10px;line-height:1.5}
.join-side h3{font-size:16px}
.join-side ul{display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:#4A424C}
.join-side li{display:flex;gap:8px}
.join-side li::before{content:"·";color:var(--coral);font-weight:700}

/* picks */
.pick3-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
.pick3{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column}
.pick3:hover{border-color:var(--coral);transform:translateY(-3px);box-shadow:var(--sh-2)}
.pick3 img{width:100%;aspect-ratio:16/9;object-fit:cover}
.pick3:first-child img{aspect-ratio:2/1}
.pick3 .p3-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.pick3 h3{font-size:19px}
.pick3 p{font-size:14px;color:var(--muted)}
.pick3 .p3-foot{margin-top:auto;font-size:13px;color:var(--celadon);font-weight:600}

/* footer */
.site-footer{background:var(--ink);color:var(--paper);padding:72px 0 32px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px}
.footer-brand strong{font-size:19px;display:block;margin-bottom:6px}
.footer-brand span{font-size:12px;color:rgba(250,246,239,.55);letter-spacing:.08em}
.footer-brand p{font-size:13.5px;color:rgba(250,246,239,.66);margin-top:16px;max-width:320px}
.footer-col h4{font-size:14px;margin-bottom:16px;color:var(--paper)}
.footer-col a,.footer-col li{display:block;font-size:13.5px;color:rgba(250,246,239,.66);margin-bottom:11px;transition:color .18s ease}
.footer-col a:hover{color:var(--coral)}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-row span{width:34px;height:34px;border-radius:10px;border:1px solid rgba(250,246,239,.22);display:flex;align-items:center;justify-content:center;font-size:12px;color:rgba(250,246,239,.7)}
.footer-bottom{margin-top:48px;padding-top:24px;border-top:1px solid rgba(250,246,239,.14);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(250,246,239,.5)}

@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px;min-height:auto}
  .hero-media{padding:0}
  .hero-media::before{display:none}
  .channel-grid{grid-template-columns:repeat(4,1fr)}
  .channel-card{grid-column:span 2}
  .channel-card.small{grid-column:span 2}
  .latest-grid,.safety-grid,.faq-grid,.join-wrap,.scene-row{grid-template-columns:1fr;gap:36px}
  .scene-row.reverse .scene-text{order:0}
  .hot-list{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .pick3-grid{grid-template-columns:1fr 1fr}
  .pick3:first-child{grid-column:span 2}
  .feature-card.tall{margin-top:0}
  .feature-card.tall img{aspect-ratio:3/2}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .container{padding:0 20px}
  .main-nav,.nav-actions .nav-login,.nav-actions .nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-inner{height:66px;gap:16px}
  .hero{padding:36px 0 48px}
  .hero h1{margin:16px 0}
  .hero-sub{font-size:16px}
  .steps{grid-template-columns:1fr;gap:24px}
  .steps::before{display:none}
  .city-wall{grid-template-columns:repeat(2,1fr)}
  .safety-list{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .post-item{grid-template-columns:1fr}
  .post-item img{order:-1}
  .join-wrap{padding:28px}
  .form-grid{grid-template-columns:1fr}
  .field.full,.check-line,.form-actions{grid-column:span 1}
  .pick3-grid{grid-template-columns:1fr}
  .pick3:first-child{grid-column:span 1}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .faq-grid{gap:24px}
}
@media (max-width:520px){
  h1{letter-spacing:-.01em}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .nav-icon{display:none}
  .city-wall{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .talk-card,.story-card{flex:0 0 84%}
  .join-wrap{padding:22px}
  .sec-head{margin-bottom:28px}
}

/* roulang page: article */
:root{
  --coral:#E4573D;
  --coral-dark:#C8462F;
  --celadon:#2E6B5E;
  --celadon-soft:#E4EEE9;
  --ink:#241E26;
  --paper:#FAF6EF;
  --white:#FFFFFF;
  --apricot:#F3E7D8;
  --gold:#D9A441;
  --line:#E8DED2;
  --muted:#6F6670;
  --r-btn:12px;
  --r-card:18px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-1:0 4px 14px rgba(36,30,38,.06);
  --sh-2:0 14px 36px rgba(36,30,38,.10);
  --font:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover{color:var(--coral)}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--coral);outline-offset:3px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:88px 0}
.section-soft{background:var(--apricot)}
.section-white{background:var(--white)}
.section-ink{background:var(--ink);color:#F2ECE4}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:700;letter-spacing:-.02em;margin:0}
.section-head p{margin:8px 0 0;color:var(--muted);font-size:15px;max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:var(--r-pill);background:var(--celadon-soft);color:var(--celadon);font-size:13px;font-weight:600;letter-spacing:.02em}
.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1.6;white-space:nowrap}
.badge-green{background:var(--celadon-soft);color:var(--celadon)}
.badge-gold{background:var(--apricot);color:#9A6E1F}
.badge-coral{background:var(--coral);color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 6px 18px rgba(228,87,61,.24)}
.btn-primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(228,87,61,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(228,87,61,.22)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--celadon);padding:0 4px;height:auto}
.btn-ghost:hover{color:var(--coral)}
.btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.card:hover{border-color:var(--coral);box-shadow:var(--sh-2);transform:translateY(-3px)}
.divider{height:1px;background:var(--line);border:0;margin:0}
/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(36,30,38,.08)}
.nav-inner{display:flex;align-items:center;gap:28px;height:76px}
.logo{display:flex;flex-direction:column;line-height:1.2;flex-shrink:0}
.logo strong{font-size:19px;font-weight:700;letter-spacing:-.01em}
.logo span{font-size:11.5px;color:var(--muted);letter-spacing:.08em;margin-top:3px}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:8px}
.main-nav a{position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:6px 0}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:2px;background:var(--coral);transition:width .2s ease}
.main-nav a:hover{color:var(--coral)}
.main-nav a:hover::after,.main-nav a.active::after{width:22px}
.main-nav a.active{color:var(--coral);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
.nav-icon{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;border:1px solid var(--line);color:var(--ink);transition:border-color .2s ease,color .2s ease,background .2s ease}
.nav-icon:hover{border-color:var(--coral);color:var(--coral);background:#fff}
.nav-login{font-size:14.5px;font-weight:600;color:var(--ink);padding:8px 4px}
.nav-login:hover{color:var(--coral)}
.nav-cta{height:42px;padding:0 20px;border-radius:var(--r-btn);background:var(--coral);color:#fff;font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;transition:background .18s ease,transform .18s ease}
.nav-cta:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{position:fixed;inset:0;z-index:80;display:none}
.mobile-drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(36,30,38,.4)}
.drawer-panel{position:absolute;top:0;right:0;width:min(320px,86vw);height:100%;background:var(--paper);padding:24px;display:flex;flex-direction:column;gap:8px;box-shadow:-12px 0 40px rgba(36,30,38,.16);overflow-y:auto}
.drawer-panel .drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);align-self:flex-end;display:flex;align-items:center;justify-content:center;font-size:18px}
.drawer-panel a{padding:12px 0;border-bottom:1px solid var(--line);font-size:15.5px;font-weight:500}
.drawer-panel a.active{color:var(--coral)}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:16px}
.drawer-actions .btn{width:100%}
/* ============ article hero ============ */
.article-hero{position:relative;padding:46px 0 42px;background:var(--paper);border-bottom:1px solid var(--line);
  background-image:linear-gradient(rgba(36,30,38,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(36,30,38,.045) 1px,transparent 1px);
  background-size:34px 34px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap;margin-bottom:18px}
.breadcrumb a:hover{color:var(--coral)}
.breadcrumb .sep{opacity:.55}
.article-h1{font-size:clamp(30px,4vw,46px);line-height:1.28;font-weight:700;letter-spacing:-.02em;margin:16px 0 18px;max-width:900px}
.article-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13.5px;color:var(--muted)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
/* ============ article layout ============ */
.article-wrap{padding:56px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start}
.article-main{min-width:0}
.article-body{max-width:760px;font-size:17px;line-height:1.9;color:#2F2832}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.15em}
.article-body h2{font-size:clamp(24px,2.6vw,28px);line-height:1.4;font-weight:700;letter-spacing:-.01em;margin:2em 0 .7em;padding-left:14px;border-left:4px solid var(--coral)}
.article-body h3{font-size:22px;line-height:1.5;font-weight:600;margin:1.7em 0 .6em}
.article-body h4{font-size:18px;font-weight:600;margin:1.4em 0 .5em}
.article-body a{color:var(--coral);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--coral-dark)}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.2em}
.article-body li{margin-bottom:.55em}
.article-body img{width:100%;height:auto;border-radius:16px;margin:1.6em 0;box-shadow:var(--sh-1)}
.article-body blockquote{margin:1.6em 0;padding:18px 22px;background:var(--apricot);border-left:4px solid var(--gold);border-radius:0 14px 14px 0;color:#4A4048;font-size:16.5px}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.2em 0}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--apricot);font-weight:600}
.article-body code{background:var(--celadon-soft);color:var(--celadon);padding:2px 6px;border-radius:6px;font-size:.92em}
.empty-state{max-width:760px;background:var(--white);border:1px dashed var(--line);border-radius:var(--r-lg);padding:56px 32px;text-align:center}
.empty-state h2{font-size:24px;margin:0 0 10px}
.empty-state p{color:var(--muted);margin:0 0 24px;font-size:15px}
/* ============ sidebar ============ */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.side-card h3{font-size:15px;font-weight:700;margin:0 0 14px;letter-spacing:.02em;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:15px;border-radius:2px;background:var(--coral)}
.toc{list-style:none;padding:0;margin:0;counter-reset:toc}
.toc li{counter-increment:toc;border-bottom:1px dashed var(--line)}
.toc li:last-child{border-bottom:0}
.toc a{display:flex;align-items:center;gap:10px;padding:9px 0;font-size:14px;color:#453D46}
.toc a::before{content:counter(toc,decimal-leading-zero);font-size:11.5px;font-weight:700;color:var(--gold);letter-spacing:.06em}
.toc a:hover{color:var(--coral)}
.author-card{display:flex;gap:14px;align-items:flex-start}
.author-avatar{width:48px;height:48px;border-radius:50%;background:var(--celadon-soft);color:var(--celadon);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex-shrink:0}
.author-card strong{display:block;font-size:15px}
.author-card p{margin:4px 0 0;font-size:13px;color:var(--muted);line-height:1.7}
.side-safety{background:var(--celadon-soft);border:1px solid #CFE0D8;border-radius:var(--r-card);padding:20px}
.side-safety strong{display:flex;align-items:center;gap:8px;font-size:14.5px;color:var(--celadon);margin-bottom:8px}
.side-safety p{margin:0;font-size:13px;line-height:1.8;color:#3D6459}
/* ============ notice strip ============ */
.notice-strip{margin:44px 0 0}
.notice-inner{display:flex;gap:18px;align-items:flex-start;background:var(--apricot);border:1px solid #EBD6BF;border-radius:var(--r-lg);padding:26px 28px}
.notice-seal{flex-shrink:0;width:64px;height:64px;border-radius:14px;background:var(--white);border:1px solid #EBD6BF;color:var(--coral);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;line-height:1.3;text-align:center;letter-spacing:.04em}
.notice-inner h3{margin:0 0 6px;font-size:17px}
.notice-inner p{margin:0;font-size:14.5px;color:#6B5B4C;line-height:1.85}
/* ============ related ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;display:flex;flex-direction:column}
.rel-card:hover{border-color:var(--coral);box-shadow:var(--sh-2);transform:translateY(-3px)}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--apricot)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:17px;line-height:1.55;margin:0;font-weight:600}
.rel-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-top:auto}
/* ============ post nav ============ */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px;max-width:760px}
.post-nav-item{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:20px 22px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.post-nav-item:hover{border-color:var(--coral);transform:translateY(-2px);box-shadow:var(--sh-1)}
.post-nav-item span{display:block;font-size:12px;color:var(--muted);letter-spacing:.06em;margin-bottom:6px}
.post-nav-item strong{font-size:15.5px;line-height:1.6;font-weight:600}
.back-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
/* ============ discuss ============ */
.discuss-wrap{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:40px;align-items:start}
.comment{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:20px 22px;margin-bottom:16px}
.comment-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.comment-avatar{width:36px;height:36px;border-radius:50%;background:var(--celadon-soft);color:var(--celadon);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
.comment-head strong{font-size:14.5px}
.comment-head time{font-size:12.5px;color:var(--muted);margin-left:auto}
.comment p{margin:0;font-size:14.5px;color:#453D46;line-height:1.8}
.comment-form{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1)}
.comment-form h3{margin:0 0 16px;font-size:17px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.field input,.field textarea{width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--paper);transition:border-color .2s ease,box-shadow .2s ease}
.field textarea{height:120px;padding:12px 14px;resize:vertical;line-height:1.75}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--coral);box-shadow:0 0 0 3px rgba(228,87,61,.14)}
.form-tip{font-size:12.5px;color:var(--muted);margin:0 0 16px}
/* ============ topics ============ */
.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.topic-card{display:grid;grid-template-columns:150px minmax(0,1fr);gap:20px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:18px;box-shadow:var(--sh-1);transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.topic-card:hover{border-color:var(--coral);transform:translateY(-3px);box-shadow:var(--sh-2)}
.topic-card .thumb{aspect-ratio:3/2;border-radius:14px;overflow:hidden;background:var(--apricot)}
.topic-card .thumb img{width:100%;height:100%;object-fit:cover}
.topic-card h3{margin:6px 0 8px;font-size:17px;line-height:1.5}
.topic-card p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.75}
/* ============ tags ============ */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud a{display:inline-flex;align-items:center;padding:8px 16px;border-radius:var(--r-pill);background:var(--white);border:1px solid var(--line);font-size:13.5px;color:#453D46;transition:border-color .2s ease,color .2s ease,transform .2s ease}
.tag-cloud a:hover{border-color:var(--coral);color:var(--coral);transform:translateY(-2px)}
/* ============ cta ============ */
.cta-band{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:48px;box-shadow:var(--sh-2);display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center}
.cta-band h2{font-size:clamp(24px,3vw,32px);margin:0 0 12px;letter-spacing:-.02em}
.cta-band p{margin:0;color:var(--muted);font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
/* ============ footer ============ */
.site-footer{background:var(--ink);color:#F0EAE2;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand strong{color:#fff;font-size:20px;display:block;letter-spacing:-.01em}
.footer-brand span{color:rgba(240,234,226,.6);font-size:12px;letter-spacing:.08em}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(240,234,226,.72);margin:14px 0 18px}
.social-row{display:flex;gap:10px}
.social-row span{width:34px;height:34px;border-radius:50%;border:1px solid rgba(240,234,226,.25);display:flex;align-items:center;justify-content:center;font-size:12px;color:rgba(240,234,226,.8)}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin:0 0 16px;letter-spacing:.04em}
.footer-col a{display:block;padding:5px 0;font-size:14px;color:rgba(240,234,226,.72)}
.footer-col a:hover{color:var(--coral)}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{font-size:14px;color:rgba(240,234,226,.72);padding:5px 0;line-height:1.75}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(240,234,226,.14);margin-top:48px;padding:22px 0 26px;font-size:13px;color:rgba(240,234,226,.55)}
/* ============ responsive ============ */
@media (max-width:1024px){
  .section{padding:68px 0}
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:32px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .topic-grid{grid-template-columns:1fr}
  .discuss-wrap{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .nav-inner{height:66px;gap:14px}
  .main-nav{display:none}
  .nav-icon,.nav-login{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:56px 0}
  .article-hero{padding:32px 0 30px}
  .article-wrap{padding:40px 0 52px}
  .article-layout{grid-template-columns:1fr;gap:28px}
  .article-side{position:static;order:-1;top:auto}
  .article-body{font-size:16.5px;line-height:1.85}
  .notice-inner{flex-direction:column;gap:14px;padding:22px}
  .post-nav{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .topic-card{grid-template-columns:1fr}
  .topic-card .thumb{aspect-ratio:16/9}
  .cta-band{padding:28px;border-radius:22px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:480px){
  .article-h1{font-size:27px}
  .article-meta{font-size:12.5px;gap:8px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:19px}
  .btn{width:100%}
  .side-card{padding:18px}
  .tag-cloud a{font-size:12.5px;padding:7px 13px}
}

/* roulang page: category1 */
:root{
  --coral:#E4573D;
  --coral-dark:#C8462F;
  --celadon:#2E6B5E;
  --celadon-soft:#E4EEE9;
  --ink:#241E26;
  --paper:#FAF6EF;
  --white:#FFFFFF;
  --apricot:#F3E7D8;
  --gold:#D9A441;
  --line:#E8DED2;
  --muted:#6F6670;
  --r-btn:12px;
  --r-card:18px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-1:0 4px 14px rgba(36,30,38,.06);
  --sh-2:0 14px 36px rgba(36,30,38,.10);
  --font:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--coral);outline-offset:2px}
img{max-width:100%;display:block}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.02em;font-weight:700}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:88px 0}
.section-sm{padding:64px 0}
.bg-white{background:var(--white)}
.bg-apricot{background:var(--apricot)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:clamp(26px,3vw,36px);margin:14px 0 12px}
.section-head p{color:var(--muted);margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:var(--r-pill);background:var(--celadon-soft);color:var(--celadon);font-size:13px;font-weight:600;letter-spacing:.02em}
.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1.6}
.badge-green{background:var(--celadon-soft);color:var(--celadon)}
.badge-gold{background:var(--apricot);color:#9A6E1F}
.badge-coral{background:var(--coral);color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;border:1px solid transparent}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 6px 18px rgba(228,87,61,.24)}
.btn-primary:hover{background:var(--coral-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(228,87,61,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(228,87,61,.22)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--celadon);padding:0 4px;height:auto;font-weight:600}
.btn-ghost:hover{color:var(--coral)}
.btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.card:hover{border-color:var(--coral);box-shadow:var(--sh-2);transform:translateY(-3px)}
.card h3{font-size:20px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14.5px;margin:0}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(36,30,38,.08)}
.nav-inner{display:flex;align-items:center;gap:28px;height:76px}
.logo{display:flex;flex-direction:column;line-height:1.2;flex-shrink:0}
.logo strong{font-size:19px;font-weight:700;letter-spacing:-.01em}
.logo span{font-size:11.5px;color:var(--muted);letter-spacing:.08em;margin-top:3px}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:8px}
.main-nav a{position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:6px 0;transition:color .18s ease}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:2px;background:var(--coral);transition:width .2s ease}
.main-nav a:hover{color:var(--coral)}
.main-nav a:hover::after,.main-nav a.active::after{width:22px}
.main-nav a.active{color:var(--coral);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
.nav-icon{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;border:1px solid var(--line);color:var(--ink);transition:border-color .2s ease,color .2s ease,background .2s ease}
.nav-icon:hover{border-color:var(--coral);color:var(--coral);background:#fff}
.nav-login{font-size:14.5px;font-weight:600;color:var(--ink);padding:8px 4px;transition:color .18s ease}
.nav-login:hover{color:var(--coral)}
.nav-cta{height:42px;padding:0 20px;border-radius:var(--r-btn);background:var(--coral);color:#fff;font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;transition:background .18s ease,transform .18s ease}
.nav-cta:hover{background:var(--coral-dark);transform:translateY(-2px)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{position:fixed;inset:0;z-index:80;display:none}
.mobile-drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(36,30,38,.4)}
.drawer-panel{position:absolute;top:0;right:0;width:min(320px,86vw);height:100%;background:var(--paper);padding:24px;display:flex;flex-direction:column;gap:8px;box-shadow:-12px 0 40px rgba(36,30,38,.16);overflow-y:auto}
.drawer-panel .drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);align-self:flex-end;display:flex;align-items:center;justify-content:center;font-size:18px}
.drawer-panel a{padding:12px 0;border-bottom:1px solid var(--line);font-size:15.5px;font-weight:500}
.drawer-panel a.active{color:var(--coral)}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:16px}
.drawer-actions .btn{width:100%}

/* category hero */
.cat-hero{position:relative;overflow:hidden;padding:40px 0 56px;background:var(--paper);border-bottom:1px solid var(--line);
  background-image:linear-gradient(rgba(36,30,38,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(36,30,38,.04) 1px,transparent 1px);
  background-size:34px 34px}
.cat-hero::after{content:"";position:absolute;width:220px;height:220px;border-radius:50%;background:rgba(228,87,61,.12);right:-60px;top:-80px;pointer-events:none}
.cat-hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;min-height:300px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--coral)}
.breadcrumb span{color:var(--celadon);font-weight:600}
.cat-hero h1{font-size:clamp(30px,4vw,48px);margin:14px 0 18px;letter-spacing:-.02em}
.cat-hero h1 em{font-style:normal;color:var(--coral)}
.cat-hero .lead{font-size:16px;color:var(--muted);max-width:620px;margin-bottom:24px}
.cat-meta{display:flex;flex-wrap:wrap;gap:10px}
.cat-hero-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2);background:#fff}
.cat-hero-media img{width:100%;aspect-ratio:3/2;object-fit:cover}

/* channel bar */
.channel-bar{background:var(--white);border-bottom:1px solid var(--line);padding:20px 0}
.channel-bar-inner{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.channel-bar-inner .label{font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.04em}
.channel-chip{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 18px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--paper);font-size:14px;font-weight:600;transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease}
.channel-chip:hover{border-color:var(--coral);color:var(--coral);transform:translateY(-2px)}
.channel-chip.is-current{background:var(--coral);border-color:var(--coral);color:#fff}

/* city filter */
.filter-panel{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 28px;box-shadow:var(--sh-1)}
.filter-title{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:16px}
.filter-title h3{font-size:18px}
.filter-title .hint{font-size:13px;color:var(--muted)}
.city-chips{display:flex;flex-wrap:wrap;gap:10px}
.city-chip{height:36px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--paper);font-size:13.5px;font-weight:600;color:var(--ink);transition:all .18s ease}
.city-chip:hover{border-color:var(--celadon);color:var(--celadon);background:var(--celadon-soft)}
.city-chip.is-active{background:var(--ink);border-color:var(--ink);color:var(--paper)}

/* pinned */
.pin-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:28px}
.pin-card{position:relative;background:var(--white);border:1px solid var(--line);border-left:4px solid var(--coral);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1);transition:box-shadow .2s ease,transform .2s ease}
.pin-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.pin-card h3{font-size:20px;margin:12px 0 10px}
.pin-card p{color:var(--muted);font-size:14.5px;margin-bottom:16px}
.pin-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--muted)}

/* post grid */
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.post-card{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.post-card:hover{border-color:var(--coral);box-shadow:var(--sh-2);transform:translateY(-3px)}
.post-card .thumb{position:relative;overflow:hidden}
.post-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.post-card:hover .thumb img{transform:scale(1.04)}
.post-card .thumb .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--celadon)}
.post-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.post-card h3{font-size:19px;line-height:1.45;margin-bottom:10px}
.post-card .body p{font-size:14.5px;color:var(--muted);margin-bottom:16px}
.post-card .meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);margin-top:auto}
.post-card .meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.post-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--celadon);margin-top:16px;transition:color .18s ease,gap .18s ease}
.post-link:hover{color:var(--coral);gap:10px}
.list-more{display:flex;justify-content:center;margin-top:44px}

/* safety */
.safety-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.safety-seal{display:inline-flex;align-items:center;justify-content:center;padding:10px 22px;border:2px solid var(--coral);border-radius:var(--r-pill);color:var(--coral);font-weight:700;font-size:14px;letter-spacing:.14em;margin-bottom:20px}
.safety-wrap h2{font-size:clamp(26px,3vw,34px);margin-bottom:16px}
.safety-wrap .intro{color:var(--muted);margin-bottom:0}
.safety-list{display:grid;gap:16px}
.safety-item{display:flex;gap:16px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-1);transition:border-color .2s ease,transform .2s ease}
.safety-item:hover{border-color:var(--celadon);transform:translateY(-2px)}
.safety-item .num{flex-shrink:0;width:40px;height:40px;border-radius:12px;background:var(--celadon-soft);color:var(--celadon);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}
.safety-item h3{font-size:17px;margin-bottom:6px}
.safety-item p{font-size:14px;color:var(--muted);margin:0}

/* newbie */
.newbie-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
.newbie-card{position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--sh-1);transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.newbie-card:hover{border-color:var(--coral);transform:translateY(-3px);box-shadow:var(--sh-2)}
.newbie-card .step{font-size:13px;font-weight:700;color:var(--coral);letter-spacing:.16em;margin-bottom:12px}
.newbie-card h3{font-size:18px;margin-bottom:10px}
.newbie-card p{font-size:14.5px;color:var(--muted);margin:0}
.newbie-cta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:36px}

/* offline */
.offline-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.offline-grid h2{font-size:clamp(26px,3vw,34px);margin:14px 0 16px}
.offline-grid p{color:var(--muted)}
.offline-list{display:grid;gap:12px;margin:22px 0 28px}
.offline-list li{display:flex;gap:12px;font-size:14.5px;align-items:flex-start}
.offline-list li::before{content:"";flex-shrink:0;width:8px;height:8px;border-radius:50%;background:var(--coral);margin-top:9px}
.offline-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2)}
.offline-media img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* faq */
.faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:48px;align-items:start}
.faq-grid h2{font-size:clamp(26px,3vw,34px);margin:14px 0 14px}
.faq-grid .side-note{color:var(--muted);font-size:14.5px;margin-top:20px}
.faq-list{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 26px;font-size:16.5px;font-weight:600;transition:color .18s ease,background .18s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--coral);background:#FDFAF5}
.faq-item summary::after{content:"+";flex-shrink:0;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:400;color:var(--celadon);transition:transform .2s ease,background .2s ease,color .2s ease}
.faq-item[open] summary{color:var(--coral)}
.faq-item[open] summary::after{content:"−";background:var(--coral);border-color:var(--coral);color:#fff;transform:rotate(180deg)}
.faq-item .answer{padding:0 26px 24px;font-size:14.5px;color:var(--muted);line-height:1.85}

/* join */
.join-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2);padding:44px;display:grid;grid-template-columns:1.05fr .95fr;gap:48px}
.join-form h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:10px}
.join-form .sub{color:var(--muted);font-size:14.5px;margin-bottom:26px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:14px;font-weight:600}
.field input,.field select,.field textarea{height:48px;border:1px solid var(--line);border-radius:var(--r-btn);padding:0 14px;background:var(--paper);font-size:14.5px;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}
.field textarea{height:96px;padding:12px 14px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--coral);box-shadow:0 0 0 2px rgba(228,87,61,.18);background:#fff}
.field input::placeholder,.field textarea::placeholder{color:#A79DA6}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);margin:6px 0 22px}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--coral)}
.form-note{font-size:12.5px;color:var(--muted);margin-top:14px}
.form-msg{font-size:13.5px;font-weight:600;color:var(--celadon);margin-top:12px;min-height:20px}
.join-side{background:var(--apricot);border-radius:var(--r-lg);padding:32px;display:flex;flex-direction:column;gap:18px}
.join-side h3{font-size:19px}
.join-side .qr{width:132px;height:132px;border-radius:16px;background:var(--white);border:1px dashed var(--line);display:flex;align-items:center;justify-content:center;font-size:12.5px;color:var(--muted);text-align:center;padding:10px;line-height:1.6}
.join-side ul{display:grid;gap:10px;font-size:14px;color:#6B5842}
.join-side ul li{display:flex;gap:10px}
.join-side ul li::before{content:"";flex-shrink:0;width:7px;height:7px;border-radius:50%;background:var(--gold);margin-top:9px}

/* footer */
.site-footer{background:var(--ink);color:var(--paper);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(250,246,239,.14)}
.footer-brand strong{display:block;font-size:19px;letter-spacing:-.01em}
.footer-brand span{display:block;font-size:12px;letter-spacing:.1em;color:rgba(250,246,239,.64);margin:6px 0 14px}
.footer-brand p{font-size:13.5px;color:rgba(250,246,239,.7);line-height:1.8;max-width:360px;margin:0 0 18px}
.social-row{display:flex;gap:10px}
.social-row span{width:34px;height:34px;border-radius:50%;border:1px solid rgba(250,246,239,.24);display:flex;align-items:center;justify-content:center;font-size:12px;color:rgba(250,246,239,.72);transition:border-color .2s ease,color .2s ease,transform .2s ease}
.social-row span:hover{border-color:var(--coral);color:var(--coral);transform:translateY(-2px)}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--paper)}
.footer-col a{display:block;font-size:13.5px;color:rgba(250,246,239,.72);padding:5px 0;transition:color .18s ease,transform .18s ease}
.footer-col a:hover{color:var(--coral);transform:translateX(3px)}
.footer-col ul li{font-size:13.5px;color:rgba(250,246,239,.72);padding:5px 0;line-height:1.7}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;font-size:12.5px;color:rgba(250,246,239,.6)}

@media (max-width:1024px){
  .section{padding:72px 0}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px}
  .cat-hero-media{max-width:560px}
  .safety-wrap,.offline-grid,.faq-grid{grid-template-columns:1fr;gap:34px}
  .join-card{grid-template-columns:1fr;padding:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .newbie-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .main-nav{display:none}
  .nav-login{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{height:68px;gap:16px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .post-grid,.pin-grid,.newbie-grid{grid-template-columns:1fr}
  .cat-hero{padding:28px 0 40px}
  .cat-hero h1{font-size:clamp(26px,7vw,36px)}
  .filter-panel{padding:22px 20px}
  .join-card{padding:26px 20px}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-item summary{padding:18px 20px;font-size:15.5px}
  .faq-item .answer{padding:0 20px 20px}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .nav-cta{padding:0 14px;font-size:13.5px;height:38px}
  .btn{width:100%}
  .nav-actions .nav-icon{display:none}
  .cat-meta .badge{font-size:11.5px}
  .post-card .body{padding:18px}
  .safety-item{padding:18px}
  .join-side{padding:24px}
  .offline-list li{font-size:14px}
}

/* roulang page: category2 */
:root{
  --coral:#E4573D;
  --coral-dark:#C8462F;
  --celadon:#2E6B5E;
  --celadon-soft:#E4EEE9;
  --ink:#241E26;
  --paper:#FAF6EF;
  --white:#FFFFFF;
  --apricot:#F3E7D8;
  --gold:#D9A441;
  --line:#E8DED2;
  --muted:#6F6670;
  --r-btn:12px;
  --r-card:18px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-1:0 4px 14px rgba(36,30,38,.06);
  --sh-2:0 14px 36px rgba(36,30,38,.10);
  --font:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.02em;font-weight:700}
p{margin:0}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-apricot{background:var(--apricot)}
.section-white{background:var(--white)}
.section-dark{background:var(--ink);color:var(--paper)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:clamp(26px,3vw,36px);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:15.5px}
.section-dark .section-head p{color:rgba(250,246,239,.72)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:var(--r-pill);background:var(--celadon-soft);color:var(--celadon);font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:16px}
.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1.7}
.badge-green{background:var(--celadon-soft);color:var(--celadon)}
.badge-gold{background:var(--apricot);color:#9A6E1F}
.badge-coral{background:var(--coral);color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;border:1px solid transparent}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 6px 18px rgba(228,87,61,.24)}
.btn-primary:hover{background:var(--coral-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(228,87,61,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(228,87,61,.22)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-light{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.btn-light:hover{background:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.18)}
.btn-ghost{background:transparent;color:var(--celadon);padding:0 4px;height:auto}
.btn-ghost:hover{color:var(--coral)}
.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--coral);outline-offset:3px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.card:hover{border-color:var(--coral);box-shadow:var(--sh-2);transform:translateY(-3px)}
/* header */
.site-header{position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(36,30,38,.08)}
.nav-inner{display:flex;align-items:center;gap:28px;height:76px}
.logo{display:flex;flex-direction:column;line-height:1.2;flex-shrink:0}
.logo strong{font-size:19px;font-weight:700;letter-spacing:-.01em}
.logo span{font-size:11.5px;color:var(--muted);letter-spacing:.08em;margin-top:3px}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:8px}
.main-nav a{position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:6px 0;transition:color .18s ease}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:2px;background:var(--coral);transition:width .2s ease}
.main-nav a:hover{color:var(--coral)}
.main-nav a:hover::after,.main-nav a.active::after{width:22px}
.main-nav a.active{color:var(--coral);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
.nav-icon{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;border:1px solid var(--line);color:var(--ink);transition:border-color .2s ease,color .2s ease,background .2s ease}
.nav-icon:hover{border-color:var(--coral);color:var(--coral);background:#fff}
.nav-login{font-size:14.5px;font-weight:600;color:var(--ink);padding:8px 4px;transition:color .18s ease}
.nav-login:hover{color:var(--coral)}
.nav-cta{height:42px;padding:0 20px;border-radius:var(--r-btn);background:var(--coral);color:#fff;font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;transition:background .18s ease,transform .18s ease}
.nav-cta:hover{background:var(--coral-dark);transform:translateY(-2px)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{position:fixed;inset:0;z-index:80;display:none}
.mobile-drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(36,30,38,.4)}
.drawer-panel{position:absolute;top:0;right:0;width:min(320px,86vw);height:100%;background:var(--paper);padding:24px;display:flex;flex-direction:column;gap:8px;box-shadow:-12px 0 40px rgba(36,30,38,.16);overflow-y:auto}
.drawer-panel .drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);align-self:flex-end;display:flex;align-items:center;justify-content:center;font-size:18px}
.drawer-panel a{padding:12px 0;border-bottom:1px solid var(--line);font-size:15.5px;font-weight:500}
.drawer-panel a.active{color:var(--coral)}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:16px}
.drawer-actions .btn{width:100%}
/* page hero */
.page-hero{
  position:relative;overflow:hidden;padding:44px 0 56px;background:var(--paper);
  background-image:linear-gradient(rgba(36,30,38,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(36,30,38,.04) 1px,transparent 1px);
  background-size:34px 34px;border-bottom:1px solid var(--line);
}
.page-hero::after{content:"";position:absolute;right:-90px;top:-70px;width:260px;height:260px;border-radius:50%;background:rgba(228,87,61,.10);pointer-events:none}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.crumb a:hover{color:var(--coral)}
.crumb span.sep{opacity:.5}
.hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:44px;align-items:center;position:relative;z-index:1}
.page-hero h1{font-size:clamp(28px,3.6vw,44px);margin:10px 0 16px}
.page-hero .lead{font-size:16px;color:var(--muted);max-width:560px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-figure{margin:0;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2);background:var(--white)}
.hero-figure img{width:100%;aspect-ratio:3/2;object-fit:cover}
.hero-figure figcaption{font-size:12.5px;color:var(--muted);padding:12px 16px;background:var(--white)}
/* channel bar */
.chan-bar{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.chan-label{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.04em;margin-right:4px}
.chan-tag{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:var(--r-pill);background:var(--white);border:1px solid var(--line);font-size:14px;font-weight:600;transition:border-color .2s ease,color .2s ease,transform .2s ease}
.chan-tag:hover{border-color:var(--coral);color:var(--coral);transform:translateY(-2px)}
.chan-tag.is-current{background:var(--coral);border-color:var(--coral);color:#fff}
.chan-note{margin-top:16px;font-size:14px;color:var(--muted);max-width:760px}
/* matrix */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.matrix-card{display:flex;flex-direction:column;gap:10px}
.icon-box{width:44px;height:44px;border-radius:13px;background:var(--celadon-soft);color:var(--celadon);display:flex;align-items:center;justify-content:center;margin-bottom:4px}
.matrix-card h3{font-size:19px}
.matrix-card p{color:var(--muted);font-size:14.5px}
.matrix-card .meta-note{font-size:12.5px;color:var(--gold);font-weight:600;margin-top:auto;padding-top:6px}
/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step}
.step-item{position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px 24px;box-shadow:var(--sh-1)}
.step-no{font-size:13px;font-weight:700;color:var(--coral);letter-spacing:.14em;display:block;margin-bottom:10px}
.step-item h3{font-size:19px;margin-bottom:10px}
.step-item p{color:var(--muted);font-size:14.5px}
.step-item::after{content:"";position:absolute;left:24px;bottom:0;width:36px;height:3px;border-radius:3px;background:var(--coral);opacity:.85}
/* compare */
.compare-wrap{overflow-x:auto;padding-bottom:6px}
.compare{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;min-width:760px}
.compare-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:14px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.compare-card:hover{border-color:var(--celadon);box-shadow:var(--sh-2);transform:translateY(-3px)}
.compare-card h3{font-size:19px}
.compare-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.compare-list li{position:relative;padding-left:18px;font-size:14px;color:var(--muted)}
.compare-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--celadon)}
.compare-card .fit{font-size:13.5px;color:var(--ink);font-weight:600;padding-top:12px;border-top:1px solid var(--line)}
/* privacy dark */
.privacy-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.stamp{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:var(--r-pill);border:1px dashed rgba(250,246,239,.5);font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--paper);margin-bottom:18px}
.section-dark h2{font-size:clamp(26px,3vw,34px);margin-bottom:14px}
.section-dark p.lead{color:rgba(250,246,239,.74);font-size:15px}
.privacy-list{display:grid;gap:18px;margin:0;padding:0;list-style:none}
.privacy-list li{background:rgba(250,246,239,.055);border:1px solid rgba(250,246,239,.14);border-radius:var(--r-card);padding:20px 22px;transition:background .2s ease,border-color .2s ease}
.privacy-list li:hover{background:rgba(250,246,239,.1);border-color:rgba(217,164,65,.5)}
.privacy-list strong{display:block;font-size:16px;margin-bottom:6px}
.privacy-list span{font-size:14px;color:rgba(250,246,239,.72)}
/* stats */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.stat-card:hover{border-color:var(--gold);box-shadow:var(--sh-2);transform:translateY(-3px)}
.stat-card .stat-key{font-size:12.5px;letter-spacing:.1em;color:var(--gold);font-weight:700;text-transform:uppercase}
.stat-card h3{font-size:18px;margin:8px 0 8px}
.stat-card p{font-size:14px;color:var(--muted)}
/* topic list */
.topic-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.topic-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:10px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.topic-card:hover{border-color:var(--coral);box-shadow:var(--sh-2);transform:translateY(-3px)}
.topic-card h3{font-size:17.5px;line-height:1.5}
.topic-card h3 a:hover{color:var(--coral)}
.topic-card .excerpt{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.topic-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-top:auto}
.list-empty{grid-column:1/-1;background:var(--white);border:1px dashed var(--line);border-radius:var(--r-card);padding:32px;text-align:center;color:var(--muted);font-size:14.5px}
/* faq */
.faq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.faq-aside p{color:var(--muted);font-size:15px;margin-top:14px}
.faq-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0;font-size:16.5px;font-weight:600}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .pm{width:26px;height:26px;flex-shrink:0;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-size:14px;color:var(--celadon);transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease}
.faq-item[open] summary .pm{transform:rotate(45deg);background:var(--coral);border-color:var(--coral);color:#fff}
.faq-item[open] summary{color:var(--coral)}
.faq-item .faq-body{padding:0 0 22px;font-size:14.8px;color:var(--muted);max-width:640px}
/* cta */
.cta-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:44px;box-shadow:var(--sh-2);display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.cta-card h2{font-size:clamp(24px,2.8vw,32px);margin-bottom:14px}
.cta-card p{color:var(--muted);font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field label{font-size:13px;font-weight:600;color:var(--ink)}
.form-field input,.form-field select{height:48px;border-radius:12px;border:1px solid var(--line);background:var(--paper);padding:0 14px;font-size:14.5px;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}
.form-field input:hover,.form-field select:hover{border-color:#D9CDBE}
.form-field input:focus,.form-field select:focus{outline:none;border-color:var(--coral);box-shadow:0 0 0 3px rgba(228,87,61,.16);background:#fff}
.form-field.full{grid-column:1/-1}
.form-check{grid-column:1/-1;display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted)}
.form-check input{width:16px;height:16px;margin-top:3px;accent-color:var(--coral)}
.form-hint{grid-column:1/-1;font-size:12.5px;color:var(--muted)}
.pact{background:var(--apricot);border-radius:var(--r-card);padding:24px}
.pact h3{font-size:17px;margin-bottom:10px}
.pact ul{margin:0;padding-left:18px;font-size:14px;color:#6B5540;display:grid;gap:8px}
/* footer */
.site-footer{background:var(--ink);color:var(--paper);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand strong{display:block;font-size:19px;letter-spacing:-.01em}
.footer-brand span{display:block;font-size:12px;letter-spacing:.1em;color:rgba(250,246,239,.6);margin-top:4px}
.footer-brand p{font-size:13.5px;color:rgba(250,246,239,.66);margin-top:16px;max-width:320px}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-row span{width:34px;height:34px;border-radius:50%;border:1px solid rgba(250,246,239,.22);display:inline-flex;align-items:center;justify-content:center;font-size:12.5px;color:rgba(250,246,239,.7)}
.footer-col h4{font-size:14.5px;margin-bottom:16px;color:var(--paper)}
.footer-col a{display:block;font-size:13.5px;color:rgba(250,246,239,.66);padding:5px 0;transition:color .18s ease}
.footer-col a:hover{color:var(--coral)}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:13.5px;color:rgba(250,246,239,.66)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;border-top:1px solid rgba(250,246,239,.14);margin-top:44px;padding-top:22px;font-size:12.5px;color:rgba(250,246,239,.56)}
/* responsive */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .matrix{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .privacy-grid,.faq-grid{grid-template-columns:1fr;gap:32px}
  .cta-card{grid-template-columns:1fr;padding:34px}
  .topic-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section,.section-tight{padding:56px 0}
  .main-nav{display:none}
  .nav-login{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{height:68px;gap:16px}
  .nav-cta{height:38px;padding:0 14px;font-size:13.5px}
  .page-hero{padding:32px 0 44px}
  .matrix{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .compare{min-width:640px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .page-hero h1{font-size:26px}
  .section-head h2{font-size:23px}
  .btn{width:100%;padding:0 18px}
  .cta-actions .btn{width:100%}
  .chan-tag{padding:8px 14px;font-size:13.5px}
  .compare{min-width:560px}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category3 */
:root{
  --coral:#E4573D;
  --coral-dark:#C8462F;
  --celadon:#2E6B5E;
  --celadon-soft:#E4EEE9;
  --ink:#241E26;
  --paper:#FAF6EF;
  --white:#FFFFFF;
  --apricot:#F3E7D8;
  --gold:#D9A441;
  --line:#E8DED2;
  --muted:#6F6670;
  --r-btn:12px;
  --r-card:18px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-1:0 4px 14px rgba(36,30,38,.06);
  --sh-2:0 14px 36px rgba(36,30,38,.10);
  --font:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-alt{background:var(--white)}
.section-apricot{background:var(--apricot)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:clamp(26px,3vw,36px);margin-top:14px}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:var(--r-pill);background:var(--celadon-soft);color:var(--celadon);font-size:13px;font-weight:600;letter-spacing:.02em}
.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1.6}
.badge-green{background:var(--celadon-soft);color:var(--celadon)}
.badge-gold{background:var(--apricot);color:#9A6E1F}
.badge-coral{background:var(--coral);color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;border:1px solid transparent}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 6px 18px rgba(228,87,61,.24)}
.btn-primary:hover{background:var(--coral-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(228,87,61,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(228,87,61,.22)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--celadon);padding:0 4px;height:auto}
.btn-ghost:hover{color:var(--coral)}
.btn:focus-visible,a:focus-visible,summary:focus-visible,.chip:focus-visible{outline:2px solid var(--coral);outline-offset:3px;border-radius:6px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.card:hover{border-color:var(--coral);box-shadow:var(--sh-2);transform:translateY(-3px)}
.divider{height:1px;background:var(--line);border:0;margin:0}
/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(36,30,38,.08)}
.nav-inner{display:flex;align-items:center;gap:28px;height:76px}
.logo{display:flex;flex-direction:column;line-height:1.2;flex-shrink:0}
.logo strong{font-size:19px;font-weight:700;letter-spacing:-.01em}
.logo span{font-size:11.5px;color:var(--muted);letter-spacing:.08em;margin-top:3px}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:8px}
.main-nav a{position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:6px 0;transition:color .18s ease}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:2px;background:var(--coral);transition:width .2s ease}
.main-nav a:hover{color:var(--coral)}
.main-nav a:hover::after,.main-nav a.active::after{width:22px}
.main-nav a.active{color:var(--coral);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
.nav-icon{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;border:1px solid var(--line);color:var(--ink);transition:border-color .2s ease,color .2s ease,background .2s ease}
.nav-icon:hover{border-color:var(--coral);color:var(--coral);background:#fff}
.nav-login{font-size:14.5px;font-weight:600;color:var(--ink);padding:8px 4px;transition:color .18s ease}
.nav-login:hover{color:var(--coral)}
.nav-cta{height:42px;padding:0 20px;border-radius:var(--r-btn);background:var(--coral);color:#fff;font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;transition:background .18s ease,transform .18s ease}
.nav-cta:hover{background:var(--coral-dark);transform:translateY(-2px)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{position:fixed;inset:0;z-index:80;display:none}
.mobile-drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(36,30,38,.4)}
.drawer-panel{position:absolute;top:0;right:0;width:min(320px,86vw);height:100%;background:var(--paper);padding:24px;display:flex;flex-direction:column;gap:8px;box-shadow:-12px 0 40px rgba(36,30,38,.16);overflow-y:auto}
.drawer-panel .drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);align-self:flex-end;display:flex;align-items:center;justify-content:center;font-size:18px;background:#fff}
.drawer-panel a{padding:12px 0;border-bottom:1px solid var(--line);font-size:15.5px;font-weight:500}
.drawer-panel a.active{color:var(--coral)}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:16px}
.drawer-actions .btn{width:100%}
/* ============ category hero ============ */
.cat-hero{
  position:relative;overflow:hidden;padding:34px 0 60px;border-bottom:1px solid var(--line);background:var(--paper);
  background-image:linear-gradient(rgba(36,30,38,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(36,30,38,.04) 1px,transparent 1px);
  background-size:34px 34px;
}
.cat-hero::after{content:"";position:absolute;right:-70px;top:-60px;width:220px;height:220px;border-radius:50%;background:rgba(228,87,61,.10);pointer-events:none}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:24px}
.breadcrumb a{transition:color .18s ease}
.breadcrumb a:hover{color:var(--coral)}
.breadcrumb .sep{color:#C9BFB2}
.cat-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 340px;gap:48px;align-items:center}
.cat-hero h1{font-size:clamp(30px,3.8vw,44px);margin-top:16px;letter-spacing:-.02em}
.cat-hero h1 em{font-style:normal;color:var(--coral)}
.cat-lead{margin-top:18px;font-size:15.5px;color:var(--muted);max-width:600px}
.cat-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.cat-stats span{display:inline-flex;align-items:center;gap:6px;padding:7px 16px;border-radius:var(--r-pill);background:var(--white);border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--ink)}
.cat-stats span i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--celadon);font-style:normal}
.cat-figure{aspect-ratio:3/2;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2);background:var(--apricot)}
.cat-figure img{width:100%;height:100%;object-fit:cover}
/* ============ channel strip ============ */
.channel-strip{background:var(--white);border-bottom:1px solid var(--line);padding:18px 0}
.channel-strip .container{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.channel-label{font-size:13px;font-weight:600;color:var(--muted);margin-right:6px;letter-spacing:.02em}
.chip{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--paper);font-size:14px;font-weight:500;transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease}
.chip:hover{border-color:var(--coral);color:var(--coral);background:#fff;transform:translateY(-2px)}
.chip.is-current{background:var(--celadon-soft);color:var(--celadon);border-color:transparent;font-weight:600}
/* ============ qa cards ============ */
.qa-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.qa-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;display:flex;flex-direction:column;gap:12px}
.qa-card:hover{border-color:var(--coral);box-shadow:var(--sh-2);transform:translateY(-3px)}
.qa-card .qa-tag{align-self:flex-start}
.qa-card h3{font-size:19px}
.qa-card p{font-size:14.5px;color:var(--muted);flex:1}
.qa-card .qa-foot{font-size:13px;color:var(--muted);display:flex;gap:12px;align-items:center;border-top:1px solid var(--line);padding-top:14px}
/* ============ post list ============ */
.post-list{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.post-row{display:block;padding:26px 30px;border-bottom:1px solid var(--line);transition:background .2s ease}
.post-row:last-child{border-bottom:none}
.post-row:hover{background:var(--paper)}
.post-row h3{font-size:19px;margin-bottom:8px;transition:color .18s ease}
.post-row:hover h3{color:var(--coral)}
.post-row p{font-size:14.5px;color:var(--muted);margin-bottom:12px}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.post-meta .dot{width:3px;height:3px;border-radius:50%;background:#C9BFB2}
.list-empty{padding:40px 30px;color:var(--muted);font-size:15px}
.list-more{display:flex;justify-content:center;margin-top:32px}
/* ============ topic scroll ============ */
.topic-scroll{display:flex;gap:20px;overflow-x:auto;padding:6px 4px 18px;scroll-snap-type:x mandatory}
.topic-scroll::-webkit-scrollbar{height:6px}
.topic-scroll::-webkit-scrollbar-thumb{background:#DCD0C2;border-radius:999px}
.topic-card{flex:0 0 320px;scroll-snap-align:start;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.topic-card:hover{border-color:var(--coral);box-shadow:var(--sh-2);transform:translateY(-3px)}
.topic-card h3{font-size:18px;margin:14px 0 10px}
.topic-card p{font-size:14px;color:var(--muted)}
.topic-foot{display:flex;gap:14px;font-size:13px;color:var(--muted);margin-top:18px;border-top:1px solid var(--line);padding-top:14px}
/* ============ safety / rules ============ */
.rules-section{background:var(--ink);color:var(--paper)}
.rules-section .eyebrow{background:rgba(228,87,61,.18);color:#F1A392}
.rules-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:start}
.rules-grid h2{font-size:clamp(26px,3vw,36px);margin-top:16px;color:#fff}
.rules-grid .rules-lead{color:#C9C0CA;margin-top:16px;font-size:15.5px}
.seal{display:inline-flex;align-items:center;gap:8px;margin-top:26px;padding:10px 20px;border:1.5px solid rgba(228,87,61,.55);color:#F1A392;border-radius:var(--r-pill);font-size:13px;font-weight:600;letter-spacing:.08em}
.rules-list{display:grid;gap:4px}
.rules-list li{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid rgba(250,246,239,.14)}
.rules-list li:last-child{border-bottom:none}
.rules-list .num{font-size:13px;font-weight:700;color:var(--coral);letter-spacing:.06em;flex-shrink:0;padding-top:3px}
.rules-list h3{font-size:17px;color:#fff;margin-bottom:6px}
.rules-list p{font-size:14.5px;color:#C9C0CA}
/* ============ faq ============ */
.faq-grid{display:grid;grid-template-columns:0.85fr 1.15fr;gap:56px;align-items:start}
.faq-grid h2{font-size:clamp(26px,3vw,34px);margin-top:14px}
.faq-grid .faq-lead{margin-top:16px;color:var(--muted);font-size:15px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;padding:22px 44px 22px 0;position:relative;font-weight:600;font-size:16.5px;transition:color .18s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);font-size:22px;font-weight:400;color:var(--coral);line-height:1;transition:transform .2s ease}
.faq-item[open] summary{color:var(--coral)}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 44px 22px 0;color:var(--muted);font-size:15px}
/* ============ cta ============ */
.cta-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:56px;box-shadow:var(--sh-2);display:grid;grid-template-columns:1.3fr 0.7fr;gap:48px;align-items:center}
.cta-card h2{font-size:clamp(24px,2.8vw,34px);margin-top:14px}
.cta-card p{margin-top:16px;color:var(--muted);font-size:15.5px}
.cta-actions{display:flex;flex-direction:column;gap:14px}
.cta-actions .btn{width:100%}
.cta-note{font-size:13px;color:var(--muted);line-height:1.7}
/* ============ footer ============ */
.site-footer{background:var(--ink);color:var(--paper);padding:72px 0 32px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px}
.footer-brand strong{display:block;font-size:20px;font-weight:700;letter-spacing:-.01em}
.footer-brand span{display:block;font-size:12px;color:#A79EAB;letter-spacing:.08em;margin-top:4px}
.footer-brand p{margin-top:18px;font-size:14px;color:#C9C0CA;line-height:1.9;max-width:320px}
.social-row{display:flex;gap:10px;margin-top:22px}
.social-row span{width:36px;height:36px;border-radius:50%;border:1px solid rgba(250,246,239,.2);display:inline-flex;align-items:center;justify-content:center;font-size:13px;color:#C9C0CA;transition:border-color .2s ease,color .2s ease}
.social-row span:hover{border-color:var(--coral);color:var(--coral)}
.footer-col h4{font-size:15px;margin-bottom:18px;color:#fff;font-weight:600}
.footer-col a{display:block;font-size:14px;color:#C9C0CA;padding:6px 0;transition:color .18s ease}
.footer-col a:hover{color:var(--coral)}
.footer-col ul li{font-size:14px;color:#C9C0CA;padding:6px 0;line-height:1.7}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;margin-top:56px;padding-top:26px;border-top:1px solid rgba(250,246,239,.14);font-size:13px;color:#A79EAB}
/* ============ responsive ============ */
@media (max-width:1024px){
  .section{padding:72px 0}
  .cat-hero-grid{grid-template-columns:1fr 280px;gap:32px}
  .qa-grid{grid-template-columns:repeat(2,1fr)}
  .rules-grid,.faq-grid{grid-template-columns:1fr;gap:36px}
  .cta-card{grid-template-columns:1fr;gap:32px;padding:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .nav-login{display:none}
  .nav-inner{height:66px;gap:14px}
  .logo strong{font-size:17px}
  .nav-cta{height:38px;padding:0 16px;font-size:13.5px}
  .cat-hero{padding:24px 0 44px}
  .cat-hero-grid{grid-template-columns:1fr;gap:28px}
  .cat-figure{aspect-ratio:16/9;border-radius:var(--r-card)}
  .qa-grid{grid-template-columns:1fr}
  .cta-card{padding:32px 24px;border-radius:var(--r-card)}
  .post-row{padding:22px 20px}
  .topic-card{flex:0 0 268px;padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;margin-top:36px}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .section-head h2{font-size:25px}
  .cat-hero h1{font-size:27px}
  .btn{width:100%}
  .chip{padding:7px 14px;font-size:13px}
  .cta-actions .btn{width:100%}
  .post-row h3{font-size:17px}
  .rules-list .num{padding-top:2px}
}