/* roulang page: index */
:root{
  --bg-ink:#0C0A12;
  --bg-soft:#14101D;
  --bg-paper:#F6F2EC;
  --surface:#1B1626;
  --surface-2:#241D33;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.20);
  --grad-brand:linear-gradient(90deg,#FF3F6C 0%,#FFB13C 100%);
  --accent:#7C5CFF;
  --mint:#33D6B8;
  --text-1:#F6F2EC;
  --text-2:#B6AECB;
  --text-3:#7E7693;
  --r-xl:32px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow-card:0 20px 60px rgba(0,0,0,.55);
}

/* ===== 基础 reset ===== */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;background:var(--bg-ink);color:var(--text-1);font-family:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;font-size:16.5px;line-height:1.8;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,p,figure{margin:0;}
input{font:inherit;}
::selection{background:rgba(255,63,108,.35);color:#fff;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media(min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

/* ===== 顶部信息条 ===== */
.topbar{background:var(--bg-soft);border-bottom:1px solid var(--line);font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.topbar-domain{color:var(--text-3);letter-spacing:.06em;font-variant-numeric:tabular-nums;flex-shrink:0;}
.topbar-note{color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-action{flex-shrink:0;font-weight:700;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;transition:opacity .2s ease;}
.topbar-action:hover{opacity:.78;}
.topbar-action:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
@media(max-width:767px){.topbar-note{display:none;}}

/* ===== 主导航 ===== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(12,10,18,.72);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;}
.site-header.is-scrolled{background:rgba(12,10,18,.94);border-bottom-color:var(--line);box-shadow:0 12px 40px rgba(0,0,0,.5);}
.nav-inner{display:flex;align-items:center;gap:16px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;background:var(--grad-brand);color:#1A0A12;font-weight:900;font-size:15px;letter-spacing:-.04em;}
.brand-text{font-size:15px;font-weight:800;letter-spacing:-.01em;color:var(--text-1);white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--text-3);margin:0 3px;}
@media(max-width:520px){.brand-text{font-size:13px;}.brand-mark{width:32px;height:32px;font-size:13px;border-radius:10px;}}
.main-nav{display:none;}
@media(min-width:1024px){.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}}
.nav-link{position:relative;display:inline-flex;align-items:center;padding:9px 14px;border-radius:999px;font-size:15px;color:var(--text-2);transition:color .2s ease,background .2s ease;}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.06);}
.nav-link.is-active{color:var(--text-1);font-weight:600;}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--grad-brand);}
.nav-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.nav-cta{display:none;}
@media(min-width:1024px){.nav-cta{display:inline-flex;margin-left:14px;}}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);color:var(--text-1);transition:border-color .2s ease,background .2s ease;}
.nav-toggle:hover{border-color:var(--accent);background:rgba(124,92,255,.12);}
.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
@media(min-width:1024px){.nav-toggle{display:none;}}

/* ===== 抽屉导航 ===== */
.drawer{position:fixed;inset:0;z-index:90;background:rgba(10,8,16,.98);backdrop-filter:blur(10px);padding:22px 20px 32px;display:flex;flex-direction:column;transform:translateX(102%);visibility:hidden;transition:transform .3s ease,visibility .3s ease;}
.drawer.is-open{transform:translateX(0);visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;}
.drawer-close:hover{border-color:var(--accent);}
.drawer-links{display:flex;flex-direction:column;}
.drawer-link{height:48px;display:flex;align-items:center;font-size:17px;color:var(--text-2);border-bottom:1px solid var(--line);}
.drawer-link.is-active{color:var(--text-1);font-weight:700;}
.drawer-link:hover{color:var(--text-1);}
.drawer-cta{margin-top:auto;}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:14px 28px;font-weight:700;font-size:16px;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background-position .35s ease,border-color .2s ease,color .2s ease;cursor:pointer;}
.btn-sm{padding:10px 22px;font-size:14.5px;}
.btn-primary{background:var(--grad-brand);background-size:170% 100%;background-position:0 0;color:#1B0710;box-shadow:0 12px 30px rgba(255,63,108,.24);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 24px rgba(255,63,108,.48);background-position:100% 0;}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{border:1px solid var(--line-strong);color:var(--text-1);background:transparent;}
.btn-ghost:hover{border-color:var(--accent);background:rgba(124,92,255,.10);transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.98);}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;isolation:isolate;padding:64px 0 56px;min-height:520px;display:flex;align-items:center;}
@media(min-width:1024px){.hero{min-height:680px;padding:88px 0 72px;}}
.hero-bg{position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center;transform:scale(1.03);}
.hero-mask{position:absolute;inset:0;z-index:-1;background:linear-gradient(105deg,rgba(12,10,18,.97) 0%,rgba(12,10,18,.88) 44%,rgba(12,10,18,.46) 100%);}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;border:1px solid rgba(255,63,108,.42);background:rgba(255,63,108,.10);font-size:13px;letter-spacing:.10em;color:#FFD3C0;}
.hero-title{font-size:clamp(30px,5.1vw,62px);line-height:1.10;letter-spacing:-.025em;font-weight:900;margin-top:22px;max-width:900px;}
.hero-title span{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-rule{width:88px;height:4px;border-radius:4px;background:var(--grad-brand);margin-top:24px;}
.hero-sub{margin-top:22px;max-width:660px;color:var(--text-2);font-size:16.5px;line-height:1.85;}
.hero-sub strong{color:var(--text-1);font-weight:700;}

.hero-form{margin-top:32px;max-width:840px;background:rgba(27,22,38,.82);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--shadow-card);backdrop-filter:blur(8px);}
.hero-form-row{display:grid;grid-template-columns:1fr;gap:14px;}
@media(min-width:768px){.hero-form-row{grid-template-columns:1fr 1fr;}}
.field{display:flex;flex-direction:column;gap:6px;}
.field-label{font-size:12.5px;letter-spacing:.08em;color:var(--text-3);}
.field input{width:100%;padding:12px 16px;border-radius:var(--r-sm);border:1px solid var(--line-strong);background:rgba(12,10,18,.75);color:var(--text-1);font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;}
.field input::placeholder{color:#6E6683;}
.field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(124,92,255,.24);}
.hero-submit{margin-top:16px;width:100%;}
@media(min-width:768px){.hero-submit{width:auto;min-width:220px;}}
.form-note{margin-top:12px;font-size:13px;color:var(--text-3);}
.form-note.is-ok{color:var(--mint);}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;}
.hero-stat b{display:block;font-size:26px;font-weight:900;font-variant-numeric:tabular-nums;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2;}
.hero-stat span{font-size:13px;color:var(--text-3);}

/* ===== 通用板块 ===== */
.section{padding:56px 0;position:relative;}
@media(min-width:1024px){.section{padding:96px 0;}}
.section-soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-paper{background:var(--bg-paper);color:#1C1626;}
.sec-num{display:block;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;letter-spacing:.20em;color:var(--text-3);}
.sec-title{font-size:27px;line-height:1.28;font-weight:800;letter-spacing:-.02em;margin-top:10px;}
@media(min-width:768px){.sec-title{font-size:38px;}}
.sec-desc{margin-top:14px;color:var(--text-2);font-size:16px;max-width:720px;}
.section-paper .sec-num{color:#9A8F86;}
.section-paper .sec-title{color:#1C1626;}
.section-paper .sec-desc{color:#5A5364;}
.sec-head{margin-bottom:34px;}

/* ===== 数据徽章带 ===== */
.badge-band{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
@media(min-width:768px){.badge-band{grid-template-columns:repeat(4,1fr);gap:24px;}}
.badge-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 22px;transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;}
.badge-card:hover{transform:translateY(-4px);border-color:rgba(255,63,108,.42);box-shadow:var(--shadow-card);}
.badge-card b{display:block;font-size:32px;font-weight:900;font-variant-numeric:tabular-nums;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.15;}
.badge-card span{display:block;margin-top:6px;font-size:13.5px;color:var(--text-3);}

/* ===== 卖点三连 ===== */
.usp-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:1024px){.usp-grid{grid-template-columns:1.55fr 1fr;}}
.usp-main{position:relative;overflow:hidden;border-radius:var(--r-xl);border:1px solid var(--line);background:var(--surface);padding:32px 28px;display:flex;flex-direction:column;justify-content:flex-end;min-height:340px;transition:border-color .22s ease,box-shadow .22s ease;}
.usp-main:hover{border-color:rgba(255,177,60,.45);box-shadow:var(--shadow-card);}
.usp-main-img{position:absolute;inset:0;z-index:0;}
.usp-main-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease-out;}
.usp-main:hover .usp-main-img img{transform:scale(1.04);}
.usp-main::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(12,10,18,.20) 0%,rgba(12,10,18,.86) 62%,rgba(12,10,18,.98) 100%);}
.usp-main-body{position:relative;z-index:2;}
.usp-tag{display:inline-flex;padding:5px 14px;border-radius:999px;font-size:12.5px;letter-spacing:.08em;border:1px solid rgba(255,255,255,.30);color:#FFE3D2;}
.usp-main h3{font-size:24px;font-weight:800;margin-top:14px;line-height:1.35;letter-spacing:-.01em;}
.usp-main p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:520px;}
.usp-side{display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:768px){.usp-side{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.usp-side{grid-template-columns:1fr;}}
.usp-mini{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;}
.usp-mini:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-card);}
.usp-icon{width:44px;height:44px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;background:rgba(124,92,255,.16);border:1px solid rgba(124,92,255,.38);color:#C9BCFF;font-weight:900;font-size:15px;}
.usp-mini h3{font-size:19px;font-weight:800;margin-top:16px;}
.usp-mini p{margin-top:10px;font-size:14.5px;color:var(--text-2);}

/* ===== 场景演示 ===== */
.scene-list{display:flex;flex-direction:column;gap:48px;}
.scene-row{display:grid;grid-template-columns:1fr;gap:24px;align-items:center;}
@media(min-width:900px){.scene-row{grid-template-columns:1fr 1fr;gap:56px;}.scene-row.is-rev .scene-media{order:2;}}
.scene-media{position:relative;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10;background:var(--surface-2);}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease-out;}
.scene-media:hover img{transform:scale(1.03);}
.scene-num{position:absolute;top:16px;left:16px;z-index:2;padding:5px 14px;border-radius:999px;background:rgba(12,10,18,.72);border:1px solid var(--line-strong);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;letter-spacing:.16em;color:#FFC7B0;}
.scene-body h3{font-size:24px;font-weight:800;letter-spacing:-.01em;}
@media(min-width:768px){.scene-body h3{font-size:28px;}}
.scene-body p{margin-top:14px;color:var(--text-2);font-size:15.5px;max-width:520px;}
.scene-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.chip{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.04);font-size:13px;color:var(--text-2);}
.chip:hover{border-color:var(--accent);color:var(--text-1);}

/* ===== 社会认同 ===== */
.rail{display:flex;gap:20px;overflow-x:auto;padding-bottom:10px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:999px;}
.rail-card{scroll-snap-align:start;flex:0 0 84%;max-width:360px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;transition:border-color .22s ease,transform .22s ease;}
.rail-card:hover{border-color:rgba(255,63,108,.45);transform:translateY(-4px);}
@media(min-width:768px){.rail-card{flex:0 0 340px;}}
.rail-top{display:flex;align-items:center;gap:12px;}
.avatar{width:44px;height:44px;border-radius:50%;flex-shrink:0;background:var(--grad-brand);display:inline-flex;align-items:center;justify-content:center;font-weight:900;color:#1B0710;font-size:16px;}
.rail-name{font-weight:700;font-size:15px;}
.rail-city{font-size:12.5px;color:var(--text-3);}
.rail-quote{margin-top:16px;font-size:14.5px;color:var(--text-2);}
.city-wall{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.city-tag{padding:7px 16px;border-radius:999px;border:1px solid var(--line);font-size:13px;color:var(--text-2);transition:border-color .2s ease,color .2s ease,background .2s ease;}
.city-tag:hover{border-color:var(--mint);color:var(--mint);background:rgba(51,214,184,.08);}

/* ===== 对比差异 ===== */
.compare{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:900px){.compare{grid-template-columns:1fr 1fr;gap:24px;}}
.compare-panel{border-radius:var(--r-xl);padding:8px 24px;}
.compare-panel.is-plain{background:rgba(255,255,255,.03);border:1px solid var(--line);}
.compare-panel.is-brand{background:var(--surface);border:1px solid transparent;background-image:linear-gradient(var(--surface),var(--surface)),var(--grad-brand);background-origin:border-box;background-clip:padding-box,border-box;box-shadow:var(--shadow-card);}
.compare-title{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:800;letter-spacing:.04em;padding:20px 0 6px;}
.compare-title i{width:8px;height:8px;border-radius:50%;background:var(--text-3);display:inline-block;}
.compare-panel.is-brand .compare-title i{background:var(--mint);}
.compare-row{display:flex;flex-direction:column;justify-content:center;gap:4px;min-height:64px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--text-2);}
.compare-row:last-child{border-bottom:0;}
.compare-row b{font-size:12.5px;letter-spacing:.08em;color:var(--text-3);font-weight:600;}
.compare-panel.is-brand .compare-row{color:var(--text-1);}
.compare-panel.is-brand .compare-row b{color:#FFB99E;}

/* ===== 资讯证据 ===== */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:640px){.news-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1100px){.news-grid{grid-template-columns:repeat(4,1fr);}}
.news-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 22px;min-height:220px;transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;}
.news-card:hover{transform:translateY(-5px);border-color:rgba(255,177,60,.5);box-shadow:var(--shadow-card);}
.news-card:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.news-cat{align-self:flex-start;padding:4px 12px;border-radius:999px;font-size:12px;color:#FFD3BE;border:1px solid rgba(255,63,108,.42);background:rgba(255,63,108,.10);}
.news-title{margin-top:14px;font-size:18px;font-weight:800;line-height:1.45;letter-spacing:-.01em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-desc{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;padding-top:16px;font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.news-empty{border:1px dashed var(--line-strong);border-radius:var(--r-lg);padding:56px 24px;text-align:center;color:var(--text-3);font-size:15px;background:rgba(255,255,255,.02);}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:880px;}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);overflow:hidden;transition:border-color .2s ease;}
.faq-item.is-open{border-color:rgba(255,63,108,.45);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;text-align:left;font-size:16px;font-weight:700;color:var(--text-1);transition:background .2s ease;}
.faq-q:hover{background:rgba(255,255,255,.04);}
.faq-q:focus-visible{outline:2px solid var(--accent);outline-offset:-4px;}
.faq-icon{position:relative;flex-shrink:0;width:20px;height:20px;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--grad-brand);border-radius:2px;transform:translate(-50%,-50%);transition:transform .2s ease,opacity .2s ease;}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-a-inner{padding:0 22px 22px;color:var(--text-2);font-size:15px;line-height:1.85;}

/* ===== 保障条（浅底） ===== */
.guard-grid{display:grid;grid-template-columns:1fr;gap:18px;}
@media(min-width:640px){.guard-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.guard-grid{grid-template-columns:repeat(4,1fr);gap:24px;}}
.guard-item{background:#FFFFFF;border:1px solid rgba(28,22,38,.10);border-radius:var(--r-md);padding:24px 22px;transition:transform .22s ease,box-shadow .22s ease;}
.guard-item:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(28,22,38,.12);}
.guard-ico{width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(255,63,108,.14),rgba(255,177,60,.14));color:#D3315C;font-weight:900;font-size:14px;}
.guard-item h3{margin-top:14px;font-size:17px;font-weight:800;color:#1C1626;}
.guard-item p{margin-top:8px;font-size:14px;color:#5A5364;line-height:1.75;}

/* ===== 分类入口 ===== */
.entry-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media(min-width:900px){.entry-grid{grid-template-columns:repeat(3,1fr);}}
.entry-card{position:relative;overflow:hidden;border-radius:var(--r-xl);border:1px solid var(--line);background:var(--surface);display:flex;flex-direction:column;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;}
.entry-card:hover{transform:translateY(-6px);border-color:rgba(255,63,108,.5);box-shadow:var(--shadow-card);}
.entry-card:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.entry-thumb{aspect-ratio:4/3;overflow:hidden;background:var(--surface-2);}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease-out;}
.entry-card:hover .entry-thumb img{transform:scale(1.05);}
.entry-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1;}
.entry-body h3{font-size:20px;font-weight:800;letter-spacing:-.01em;}
.entry-body p{margin-top:10px;font-size:14.5px;color:var(--text-2);flex:1;}
.entry-arrow{margin-top:18px;font-size:13.5px;font-weight:700;color:#FFB99E;display:inline-flex;align-items:center;gap:8px;}
.entry-arrow span{transition:transform .2s ease;display:inline-block;}
.entry-card:hover .entry-arrow span{transform:translateX(5px);}

/* ===== 同城场景 ===== */
.city-scenes{display:grid;grid-template-columns:1fr;gap:20px;margin-top:34px;}
@media(min-width:768px){.city-scenes{grid-template-columns:repeat(3,1fr);gap:24px;}}
.city-scene{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;transition:border-color .22s ease,transform .22s ease;}
.city-scene:hover{border-color:var(--accent);transform:translateY(-4px);}
.city-scene h3{font-size:18px;font-weight:800;}
.city-scene p{margin-top:10px;font-size:14.5px;color:var(--text-2);}

/* ===== 兴趣圈子横滑 ===== */
.circle-rail{display:flex;gap:20px;overflow-x:auto;padding:6px 0 16px;scroll-snap-type:x mandatory;}
.circle-rail::-webkit-scrollbar{height:6px;}
.circle-rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:999px;}
.circle-card{scroll-snap-align:start;flex:0 0 78%;max-width:320px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--surface);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;}
.circle-card:hover{transform:translateY(-5px);border-color:rgba(51,214,184,.5);box-shadow:var(--shadow-card);}
@media(min-width:768px){.circle-card{flex:0 0 300px;}.circle-card:nth-child(even){transform:translateY(18px);}.circle-card:nth-child(even):hover{transform:translateY(13px);}}
.circle-thumb{aspect-ratio:4/3;overflow:hidden;background:var(--surface-2);}
.circle-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease-out;}
.circle-card:hover .circle-thumb img{transform:scale(1.05);}
.circle-body{padding:18px 20px 22px;}
.circle-body h3{font-size:17px;font-weight:800;}
.circle-body p{margin-top:8px;font-size:13.8px;color:var(--text-2);}
.circle-count{margin-top:12px;font-size:12.5px;color:var(--mint);font-variant-numeric:tabular-nums;}

/* ===== 新手三步 ===== */
.steps{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:900px){.steps{grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}.step-card:nth-child(2){margin-top:28px;}.step-card:nth-child(3){margin-top:56px;}}
.step-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 24px;transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;}
.step-card:hover{border-color:rgba(255,177,60,.5);transform:translateY(-4px);box-shadow:var(--shadow-card);}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:var(--grad-brand);color:#1B0710;font-weight:900;font-variant-numeric:tabular-nums;font-size:15px;}
.step-card h3{margin-top:16px;font-size:19px;font-weight:800;}
.step-card p{margin-top:10px;font-size:14.5px;color:var(--text-2);}
.step-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:13.5px;font-weight:700;color:#FFB99E;}
.step-link:hover{color:#FFD3BE;}
.step-link:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:56px 0 28px;}
@media(min-width:1024px){.site-footer{padding:72px 0 32px;}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media(min-width:900px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:11px;font-size:14px;}
.footer-brand span{font-size:15px;font-weight:800;}
.footer-about{color:var(--text-2);font-size:14px;max-width:420px;}
.footer-col h4{font-size:13px;letter-spacing:.14em;color:var(--text-3);font-weight:700;margin-bottom:16px;}
.footer-col a,.footer-col p{display:block;font-size:14px;color:var(--text-2);margin-bottom:11px;transition:color .2s ease;}
.footer-col a:hover{color:var(--text-1);}
.footer-col a:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}
.footer-bottom{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--text-3);}
@media(min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}}
.footer-domain{font-variant-numeric:tabular-nums;letter-spacing:.04em;}

/* ===== 浮动转化 ===== */
.mobile-bar{position:fixed;left:14px;right:14px;bottom:14px;z-index:70;display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:999px;background:rgba(20,16,29,.96);border:1px solid rgba(255,63,108,.45);box-shadow:0 16px 44px rgba(0,0,0,.6);backdrop-filter:blur(10px);}
.mobile-bar p{font-size:13px;color:var(--text-2);flex:1;line-height:1.4;}
.mobile-bar .btn{padding:10px 20px;font-size:14px;}
@media(min-width:1024px){.mobile-bar{display:none;}}
.desk-float{display:none;}
@media(min-width:1024px){
  .desk-float{display:flex;position:fixed;right:26px;bottom:26px;z-index:70;align-items:center;gap:14px;padding:14px 18px;border-radius:var(--r-lg);background:rgba(20,16,29,.95);border:1px solid var(--line-strong);box-shadow:0 20px 60px rgba(0,0,0,.6);backdrop-filter:blur(10px);}
  .desk-float p{font-size:13.5px;color:var(--text-2);line-height:1.5;max-width:180px;}
}

/* ===== 响应式补充 ===== */
@media(max-width:520px){
  .hero-stats{gap:20px;}
  .hero-form{padding:16px;}
  .btn{width:100%;}
  .nav-cta,.mobile-bar .btn,.desk-float .btn{width:auto;}
  .mobile-bar .btn{width:auto;}
}

/* roulang page: article */
:root{
  --bg-ink:#0C0A12;
  --bg-soft:#14101D;
  --bg-paper:#F6F2EC;
  --surface:#1B1626;
  --surface-2:#241D33;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.20);
  --grad-brand:linear-gradient(90deg,#FF3F6C 0%,#FFB13C 100%);
  --accent:#7C5CFF;
  --mint:#33D6B8;
  --text-1:#F6F2EC;
  --text-2:#B6AECB;
  --text-3:#7E7693;
  --r-xl:32px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow-card:0 20px 60px rgba(0,0,0,.55);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;background:var(--bg-ink);color:var(--text-1);font-family:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;font-size:16.5px;line-height:1.8;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px;}}
/* 顶部信息条 */
.topbar{background:var(--bg-soft);border-bottom:1px solid var(--line);font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.topbar-domain{color:var(--text-3);letter-spacing:.06em;font-variant-numeric:tabular-nums;flex-shrink:0;}
.topbar-note{color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:none;}
.topbar-action{flex-shrink:0;font-weight:700;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;transition:opacity .2s ease;}
.topbar-action:hover{opacity:.78;}
.topbar-action:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
@media (min-width:768px){.topbar-note{display:block;}}
/* 主导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(12,10,18,.72);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;}
.site-header.is-scrolled{background:rgba(12,10,18,.94);border-bottom-color:var(--line);box-shadow:0 12px 40px rgba(0,0,0,.5);}
.nav-inner{display:flex;align-items:center;gap:16px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:10px;background:var(--grad-brand);color:#1A0A12;font-weight:900;font-size:13px;letter-spacing:-.04em;flex-shrink:0;}
.brand-text{font-size:13px;font-weight:800;letter-spacing:-.01em;color:var(--text-1);white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--text-3);margin:0 3px;}
.main-nav{display:none;align-items:center;gap:4px;margin-left:auto;}
.nav-link{position:relative;display:inline-flex;align-items:center;padding:9px 14px;border-radius:999px;font-size:15px;color:var(--text-2);transition:color .2s ease,background .2s ease;}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.06);}
.nav-link.is-active{color:var(--text-1);font-weight:600;}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--grad-brand);}
.nav-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.nav-cta{display:none;margin-left:14px;}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);color:var(--text-1);transition:border-color .2s ease,background .2s ease;}
.nav-toggle:hover{border-color:var(--accent);background:rgba(124,92,255,.12);}
.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
@media (min-width:1080px){
  .main-nav{display:flex;}
  .nav-cta{display:inline-flex;}
  .nav-toggle{display:none;}
  .brand-text{font-size:14px;}
  .brand-mark{width:38px;height:38px;font-size:15px;border-radius:12px;}
}
/* 抽屉导航 */
.drawer{position:fixed;inset:0;z-index:90;background:rgba(10,8,16,.98);backdrop-filter:blur(10px);padding:22px 20px 32px;display:flex;flex-direction:column;transform:translateX(102%);visibility:hidden;transition:transform .3s ease,visibility .3s ease;}
.drawer.is-open{transform:translateX(0);visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;}
.drawer-close:hover{border-color:var(--accent);}
.drawer-links{display:flex;flex-direction:column;}
.drawer-link{height:48px;display:flex;align-items:center;font-size:17px;color:var(--text-2);border-bottom:1px solid var(--line);}
.drawer-link:hover{color:var(--text-1);}
.drawer-link.is-active{color:var(--text-1);font-weight:700;}
.drawer-cta{margin-top:auto;display:flex;}
/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:14px 28px;font-weight:700;font-size:16px;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background-position .35s ease,border-color .2s ease,color .2s ease;cursor:pointer;}
.btn-sm{padding:10px 22px;font-size:14.5px;}
.btn-primary{background:var(--grad-brand);background-size:170% 100%;background-position:0 0;color:#1B0710;box-shadow:0 12px 30px rgba(255,63,108,.24);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 24px rgba(255,63,108,.48);background-position:100% 0;}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{border:1px solid var(--line-strong);color:var(--text-1);background:transparent;}
.btn-ghost:hover{border-color:var(--accent);background:rgba(124,92,255,.10);transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.98);}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
/* 通用板块 */
.section{padding:48px 0;}
@media (min-width:768px){.section{padding:72px 0;}}
.section--soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:30px;}
.section-num{display:inline-block;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;letter-spacing:.18em;color:var(--text-3);opacity:.75;margin-bottom:10px;font-variant-numeric:tabular-nums;}
.section-head h2{font-size:clamp(24px,3.4vw,34px);line-height:1.3;font-weight:800;letter-spacing:-.01em;color:var(--text-1);}
.section-head p{margin-top:10px;color:var(--text-2);font-size:15px;}
/* 面包屑 */
.article-crumb{position:relative;padding:28px 0 4px;overflow:hidden;isolation:isolate;}
.article-crumb::before{content:"";position:absolute;top:-220px;right:-80px;width:560px;height:560px;background:radial-gradient(circle,rgba(255,63,108,.20),transparent 62%);z-index:-1;pointer-events:none;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);}
.crumbs a{color:var(--text-2);transition:color .2s ease;}
.crumbs a:hover{color:#FFB13C;}
.crumbs a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.crumbs .sep{color:var(--text-3);opacity:.7;}
.crumbs-current{color:var(--text-2);}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;}
.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;border:1px solid var(--line-strong);font-size:12.5px;line-height:1.5;color:var(--text-2);background:rgba(255,255,255,.03);}
.tag--brand{border-color:rgba(255,63,108,.5);color:#FFD9C2;background:rgba(255,63,108,.12);}
.tag--mint{border-color:rgba(51,214,184,.4);color:var(--mint);background:rgba(51,214,184,.08);}
/* 文章头 */
.article-head-section{padding:24px 0 8px;}
.article-head{max-width:900px;}
.article-title{font-size:clamp(28px,4.6vw,52px);line-height:1.14;letter-spacing:-.02em;font-weight:900;color:var(--text-1);}
.title-rule{width:88px;height:4px;border-radius:4px;background:var(--grad-brand);margin:22px 0 20px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;color:var(--text-3);font-size:13.5px;font-variant-numeric:tabular-nums;}
.author{display:flex;align-items:center;gap:10px;color:var(--text-2);font-weight:600;}
.author-avatar{width:38px;height:38px;border-radius:50%;background:var(--grad-brand);color:#1B0710;font-weight:900;display:inline-flex;align-items:center;justify-content:center;font-size:12.5px;letter-spacing:-.02em;}
.meta-dot{opacity:.6;}
.article-cover{margin-top:30px;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);background:var(--surface);aspect-ratio:21/9;}
.article-cover img{width:100%;height:100%;object-fit:cover;}
@media (max-width:640px){.article-cover{aspect-ratio:16/9;border-radius:var(--r-lg);}}
/* 要点速览 */
.key-points{max-width:900px;margin:0 auto;border-radius:var(--r-lg);padding:1px;background:var(--grad-brand);box-shadow:var(--shadow-card);}
.key-points-inner{border-radius:calc(var(--r-lg) - 1px);background:var(--surface);padding:26px 24px;}
@media (min-width:768px){.key-points-inner{padding:30px 32px;}}
.key-points h2{font-size:19px;font-weight:800;color:var(--text-1);letter-spacing:-.01em;}
.key-points-sub{margin-top:8px;font-size:14px;color:var(--text-2);}
.key-list{display:grid;gap:12px;margin-top:18px;}
.key-list li{display:flex;gap:12px;font-size:15px;line-height:1.7;color:var(--text-2);}
.key-dot{flex-shrink:0;width:9px;height:9px;border-radius:50%;margin-top:9px;background:var(--grad-brand);}
/* 正文 */
.post-body{max-width:720px;margin:0 auto;font-size:17px;line-height:1.85;color:var(--text-2);word-break:break-word;}
.post-body > * + *{margin-top:1.4em;}
.post-body p{font-size:17px;line-height:1.85;}
.post-body h2{font-size:clamp(22px,3vw,28px);line-height:1.35;color:var(--text-1);font-weight:800;padding-left:16px;position:relative;margin-top:1.9em;letter-spacing:-.01em;}
.post-body h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:3px;background:var(--grad-brand);}
.post-body h3{font-size:20px;line-height:1.45;color:var(--text-1);font-weight:700;margin-top:1.6em;}
.post-body h4{font-size:17px;color:var(--text-1);font-weight:700;}
.post-body a{color:#FFB13C;text-decoration:underline;text-underline-offset:3px;transition:color .2s ease;}
.post-body a:hover{color:#FF3F6C;}
.post-body a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px;}
.post-body img{border-radius:var(--r-lg);width:100%;margin:1.6em 0;border:1px solid var(--line);}
.post-body blockquote{margin:1.6em 0;padding:18px 22px;background:var(--surface-2);border-left:3px solid var(--accent);border-radius:0 18px 18px 0;color:var(--text-1);font-size:16.5px;}
.post-body blockquote p{margin:0;}
.post-body ul,.post-body ol{padding-left:1.3em;}
.post-body ul{list-style:disc;}
.post-body ol{list-style:decimal;}
.post-body li{margin:.5em 0;}
.post-body strong{color:var(--text-1);font-weight:700;}
.post-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}
.post-body table{width:100%;border-collapse:collapse;font-size:15px;}
.post-body th,.post-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.post-body th{background:var(--surface-2);color:var(--text-1);}
.post-empty{border:1px solid var(--line);background:var(--surface);border-radius:var(--r-lg);padding:36px 28px;text-align:center;}
.post-empty h2{display:block;padding-left:0;margin:0 0 12px;font-size:24px;color:var(--text-1);}
.post-empty h2::before{display:none;}
.post-empty p{margin:0 0 22px;color:var(--text-2);}
/* 相关推荐 */
.related-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.related-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;box-shadow:0 12px 36px rgba(0,0,0,.35);}
.related-card:hover{transform:translateY(-3px);border-color:rgba(255,63,108,.5);box-shadow:var(--shadow-card);}
.related-card:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.related-thumb{display:block;aspect-ratio:4/3;overflow:hidden;background:var(--surface-2);}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out;}
.related-card:hover .related-thumb img{transform:scale(1.03);}
.related-body{display:flex;flex-direction:column;gap:10px;padding:20px 22px 24px;flex:1;}
.related-meta{font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.related-title{font-size:19px;line-height:1.45;font-weight:700;color:var(--text-1);}
.related-desc{font-size:14px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.related-empty{border:1px dashed var(--line-strong);border-radius:var(--r-lg);padding:32px 24px;color:var(--text-2);font-size:15px;text-align:center;}
/* 延伸阅读 */
.extend-list{border-top:1px solid var(--line);}
.extend-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line);}
.extend-num{font-variant-numeric:tabular-nums;color:var(--text-3);font-weight:800;font-size:14px;min-width:34px;padding-top:3px;}
.extend-item h3{font-size:17px;line-height:1.5;font-weight:700;color:var(--text-1);}
.extend-item p{margin-top:6px;font-size:14px;line-height:1.75;color:var(--text-2);}
.extend-tag{display:inline-block;margin-top:10px;font-size:12px;color:var(--mint);border:1px solid rgba(51,214,184,.36);border-radius:999px;padding:3px 10px;}
/* 返回 CTA */
.return-cta{border:1px solid var(--line);border-radius:var(--r-xl);padding:32px 26px;background:linear-gradient(120deg,var(--surface) 0%,var(--surface-2) 100%);display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;box-shadow:var(--shadow-card);}
.return-cta h2{font-size:clamp(22px,3vw,28px);line-height:1.35;font-weight:800;color:var(--text-1);letter-spacing:-.01em;}
.return-cta p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:520px;}
.return-actions{display:flex;flex-wrap:wrap;gap:12px;}
/* 页脚 */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:56px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;}}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:15px;color:var(--text-1);margin-bottom:14px;}
.footer-about{color:var(--text-2);font-size:14px;line-height:1.8;max-width:380px;}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:14px;letter-spacing:.02em;}
.footer-col a{display:block;color:var(--text-2);font-size:14px;padding:5px 0;transition:color .2s ease;}
.footer-col a:hover{color:#FFB13C;}
.footer-col a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.footer-col p{color:var(--text-2);font-size:13.5px;line-height:1.8;margin-bottom:8px;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;border-top:1px solid var(--line);margin-top:36px;padding-top:20px;color:var(--text-3);font-size:12.5px;line-height:1.7;}
.footer-domain{color:var(--text-2);}
@media (max-width:767px){
  .footer-bottom{flex-direction:column;}
  .article-meta{gap:10px;}
  .return-cta{padding:26px 20px;}
  .return-actions{width:100%;}
  .return-actions .btn{flex:1;}
}

/* roulang page: category1 */
:root{
  --bg-ink:#0C0A12;
  --bg-soft:#14101D;
  --bg-paper:#F6F2EC;
  --surface:#1B1626;
  --surface-2:#241D33;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.20);
  --grad-brand:linear-gradient(90deg,#FF3F6C 0%,#FFB13C 100%);
  --accent:#7C5CFF;
  --mint:#33D6B8;
  --text-1:#F6F2EC;
  --text-2:#B6AECB;
  --text-3:#7E7693;
  --r-xl:32px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow-card:0 20px 60px rgba(0,0,0,.55);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
html body{margin:0;background:var(--bg-ink);color:var(--text-1);font-family:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;font-size:16.5px;line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
::selection{background:rgba(255,63,108,.32);color:#fff;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px;}}

/* ===== 顶部导航 ===== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(12,10,18,.72);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;}
.site-header.is-scrolled{background:rgba(12,10,18,.94);border-bottom-color:var(--line);box-shadow:0 12px 40px rgba(0,0,0,.5);}
.nav-inner{display:flex;align-items:center;gap:12px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;min-width:0;}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:11px;background:var(--grad-brand);color:#1A0A12;font-weight:900;font-size:13px;letter-spacing:-.04em;flex-shrink:0;}
.brand-text{font-size:13px;font-weight:800;letter-spacing:-.01em;color:var(--text-1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand-text em{font-style:normal;color:var(--text-3);margin:0 3px;}
.main-nav{display:none;}
.nav-link{position:relative;display:inline-flex;align-items:center;padding:9px 14px;border-radius:999px;font-size:15px;color:var(--text-2);transition:color .2s ease,background .2s ease;}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.06);}
.nav-link.is-active{color:var(--text-1);font-weight:600;}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--grad-brand);}
.nav-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.nav-cta{display:none;}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);color:var(--text-1);transition:border-color .2s ease,background .2s ease;}
.nav-toggle:hover{border-color:var(--accent);background:rgba(124,92,255,.12);}
.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
@media (min-width:1024px){
  .main-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
  .nav-cta{display:inline-flex;margin-left:12px;}
  .nav-toggle{display:none;}
}

/* ===== 抽屉导航 ===== */
.drawer{position:fixed;inset:0;z-index:90;background:rgba(10,8,16,.98);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding:22px 20px 32px;display:flex;flex-direction:column;transform:translateX(102%);visibility:hidden;transition:transform .3s ease,visibility .3s ease;}
.drawer.is-open{transform:translateX(0);visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.drawer-top .brand-text{font-size:13.5px;}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--text-1);flex-shrink:0;}
.drawer-close:hover{border-color:var(--accent);}
.drawer-close:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.drawer-links{display:flex;flex-direction:column;}
.drawer-link{height:48px;display:flex;align-items:center;font-size:17px;color:var(--text-2);border-bottom:1px solid var(--line);}
.drawer-link.is-active{color:var(--text-1);font-weight:700;}
.drawer-link:hover{color:var(--text-1);}
.drawer-cta{margin-top:24px;width:100%;}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:14px 28px;font-weight:700;font-size:16px;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background-position .35s ease,border-color .2s ease,color .2s ease;cursor:pointer;}
.btn-sm{padding:10px 22px;font-size:14.5px;}
.btn-primary{background:var(--grad-brand);background-size:170% 100%;background-position:0 0;color:#1B0710;box-shadow:0 12px 30px rgba(255,63,108,.24);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 24px rgba(255,63,108,.48);background-position:100% 0;}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{border:1px solid var(--line-strong);color:var(--text-1);background:transparent;}
.btn-ghost:hover{border-color:var(--accent);background:rgba(124,92,255,.10);transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.98);}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

/* ===== 分类引导带 ===== */
.cat-hero{position:relative;overflow:hidden;isolation:isolate;background:var(--bg-soft);border-bottom:1px solid var(--line);padding:48px 0 44px;}
@media (min-width:768px){.cat-hero{padding:78px 0 66px;}}
.cat-hero-beam{position:absolute;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(780px 340px at 84% -14%,rgba(255,63,108,.30),transparent 62%),radial-gradient(640px 320px at 58% 110%,rgba(124,92,255,.26),transparent 66%);}
.cat-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,63,108,.55),transparent);}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;}
.crumb a{color:var(--text-2);transition:color .18s ease;}
.crumb a:hover{color:var(--text-1);}
.crumb a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.crumb span[aria-current]{color:var(--text-1);}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;letter-spacing:.22em;color:var(--text-3);margin-bottom:16px;font-variant-numeric:tabular-nums;}
.eyebrow-num{font-weight:800;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.cat-hero h1{font-size:clamp(29px,5vw,52px);line-height:1.12;letter-spacing:-.02em;font-weight:900;max-width:17em;color:var(--text-1);}
.cat-hero h1::after{content:"";display:block;width:88px;height:4px;border-radius:4px;background:var(--grad-brand);margin-top:22px;}
.cat-hero-lead{max-width:700px;margin-top:20px;color:var(--text-2);font-size:16.5px;}
.cat-hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.pill{display:inline-flex;align-items:center;gap:6px;padding:7px 15px;border-radius:999px;font-size:13px;color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.04);font-variant-numeric:tabular-nums;}

/* ===== 板块通用 ===== */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:86px 0;}}
.section--tight{padding:26px 0;}
@media (min-width:768px){.section--tight{padding:34px 0;}}
.section--soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--paper{background:var(--bg-paper);color:#221B2E;}
.section-head{display:flex;flex-direction:column;gap:12px;margin-bottom:34px;max-width:780px;}
.section-num{font-size:12px;letter-spacing:.26em;color:var(--text-3);font-variant-numeric:tabular-nums;}
.section-head h2{font-size:clamp(23px,3.4vw,38px);line-height:1.22;letter-spacing:-.015em;font-weight:800;color:var(--text-1);}
.section-head p{color:var(--text-2);font-size:15.5px;max-width:700px;}
.section--soft .section-head h2{color:var(--text-1);}
.section--paper .section-num{color:#8A7F97;}
.section--paper .section-head h2{color:#1A1424;}
.section--paper .section-head p{color:#5B5268;}

/* ===== 筛选条 ===== */
.filter-bar{display:flex;flex-direction:column;gap:16px;padding:20px 22px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--shadow-card);}
@media (min-width:900px){.filter-bar{flex-direction:row;align-items:center;gap:28px;flex-wrap:wrap;}}
.filter-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.filter-label{font-size:12.5px;color:var(--text-3);letter-spacing:.12em;flex-shrink:0;}
.chip{padding:8px 16px;border-radius:999px;border:1px solid var(--line);font-size:13.5px;color:var(--text-2);background:rgba(255,255,255,.03);transition:color .18s ease,border-color .18s ease,background .18s ease,transform .18s ease;}"
.chip:hover{border-color:var(--line-strong);color:var(--text-1);}
.chip.is-on{background:var(--grad-brand);border-color:transparent;color:#1B0710;font-weight:700;}
.chip:active{transform:scale(.97);}
.chip:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

/* ===== 活动卡片 ===== */
.event-grid{display:grid;gap:24px;grid-template-columns:1fr;}
@media (min-width:768px){.event-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.event-grid{grid-template-columns:repeat(3,1fr);}}
.event-card{display:flex;flex-direction:column;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface);overflow:hidden;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;}
.event-card:hover{transform:translateY(-4px);border-color:rgba(255,63,108,.45);box-shadow:var(--shadow-card);}
.event-card:focus-within{border-color:var(--accent);}
.event-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--surface-2);}
.event-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.event-card:hover .event-media img{transform:scale(1.03);}
.event-flag{position:absolute;top:12px;left:12px;padding:5px 13px;border-radius:999px;font-size:12px;font-weight:700;color:#1B0710;background:var(--grad-brand);}
.event-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.event-title{font-size:19px;font-weight:800;line-height:1.42;color:var(--text-1);}
.event-desc{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.event-meta{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.event-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:8px;}
.badge-mint{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;color:var(--mint);border:1px solid rgba(51,214,184,.4);background:rgba(51,214,184,.10);font-variant-numeric:tabular-nums;}
.event-level{font-size:12.5px;color:var(--text-3);letter-spacing:.06em;}

/* ===== 参与流程 ===== */
.flow{display:grid;gap:18px;grid-template-columns:1fr;counter-reset:step;}
@media (min-width:768px){.flow{grid-template-columns:repeat(4,1fr);}}
.flow-step{position:relative;padding:26px 22px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface-2);transition:border-color .2s ease,transform .2s ease;}
.flow-step:hover{border-color:rgba(124,92,255,.5);transform:translateY(-3px);}
.flow-num{display:block;font-size:26px;font-weight:900;line-height:1;letter-spacing:-.03em;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;margin-bottom:14px;}
.flow-step h3{font-size:17px;font-weight:800;margin-bottom:8px;color:var(--text-1);}
.flow-step p{font-size:13.5px;color:var(--text-2);line-height:1.75;}

/* ===== 城市与时段建议 ===== */
.advice{display:grid;gap:20px;grid-template-columns:1fr;}
@media (min-width:900px){.advice{grid-template-columns:1fr 1fr;}}
.advice-col{border-radius:var(--r-lg);border:1px solid var(--line);padding:28px 26px;background:var(--surface);}
.advice-col h3{font-size:20px;font-weight:800;margin-bottom:16px;color:var(--text-1);display:flex;align-items:center;gap:10px;}
.advice-col h3::before{content:"";width:4px;height:20px;border-radius:3px;background:var(--grad-brand);display:inline-block;}
.advice-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--text-2);line-height:1.85;margin-bottom:12px;}
.advice-list li:last-child{margin-bottom:0;}
.advice-list li::before{content:"";position:absolute;left:0;top:12px;width:7px;height:7px;border-radius:50%;background:var(--accent);}
.advice-list strong{color:var(--text-1);font-weight:700;}

/* ===== 安全提示条 ===== */
.safety-grid{display:grid;gap:18px;grid-template-columns:1fr;}
@media (min-width:640px){.safety-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.safety-grid{grid-template-columns:repeat(4,1fr);}}
.safety-item{padding:24px 22px;border-radius:var(--r-md);background:#FFFFFF;border:1px solid rgba(26,20,36,.08);box-shadow:0 8px 24px rgba(26,20,36,.06);transition:transform .2s ease,box-shadow .2s ease;}
.safety-item:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(26,20,36,.10);}
.safety-icon{width:40px;height:40px;border-radius:13px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(255,63,108,.14),rgba(255,177,60,.18));color:#E23A63;margin-bottom:14px;}
.safety-item h3{font-size:16px;font-weight:800;color:#1A1424;margin-bottom:6px;}
.safety-item p{font-size:13.5px;color:#5B5268;line-height:1.75;}

/* ===== FAQ ===== */
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);overflow:hidden;transition:border-color .2s ease;}
.faq-item + .faq-item{margin-top:12px;}
.faq-item.is-open{border-color:rgba(255,63,108,.5);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;text-align:left;font-size:16px;font-weight:700;color:var(--text-1);}
.faq-q:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;}
.faq-icon{flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--line-strong);display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);transition:transform .2s ease,color .2s ease,border-color .2s ease;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:#FF6A8E;border-color:rgba(255,63,108,.5);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-a-inner{padding:0 22px 20px;color:var(--text-2);font-size:14.5px;line-height:1.85;}

/* ===== 收口 CTA ===== */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-xl);border:1px solid var(--line);background:var(--surface-2);padding:34px 24px;display:flex;flex-direction:column;gap:22px;box-shadow:var(--shadow-card);}
@media (min-width:900px){.cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:48px 46px;}}
.cta-band::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(520px 240px at 88% -20%,rgba(255,63,108,.24),transparent 64%);}
.cta-band h2{font-size:clamp(23px,3.2vw,34px);line-height:1.24;font-weight:800;color:var(--text-1);position:relative;}
.cta-band p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:560px;position:relative;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;}

/* ===== 移动端悬浮转化条 ===== */
.sticky-cta{position:fixed;left:12px;right:12px;bottom:12px;z-index:70;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 10px 9px 18px;border-radius:999px;border:1px solid rgba(255,63,108,.45);background:rgba(27,22,38,.95);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 16px 40px rgba(0,0,0,.55);}
.sticky-cta-text{font-size:13px;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
@media (min-width:1024px){.sticky-cta{left:auto;right:24px;bottom:24px;padding:10px 12px 10px 22px;gap:18px;}}
@media (max-width:1023px){html body{padding-bottom:82px;}}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:56px 0 26px;}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
@media (min-width:768px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;gap:28px;}}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:14.5px;margin-bottom:14px;color:var(--text-1);}
.footer-about{font-size:13.5px;color:var(--text-2);line-height:1.85;max-width:420px;}
.footer-col h4{font-size:12.5px;letter-spacing:.16em;color:var(--text-3);margin:0 0 14px;font-weight:700;}
.footer-col a{display:block;font-size:13.5px;color:var(--text-2);padding:5px 0;transition:color .18s ease;}
.footer-col a:hover{color:var(--text-1);}
.footer-col a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.footer-col p{font-size:13px;color:var(--text-3);margin:0 0 8px;line-height:1.7;}
.footer-bottom{margin-top:38px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:8px;font-size:12.5px;color:var(--text-3);line-height:1.7;}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;gap:24px;}}
.footer-domain{color:var(--text-2);}

/* ===== 动效偏好 ===== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category2 */
:root{
  --bg-ink:#0C0A12;
  --bg-soft:#14101D;
  --bg-paper:#F6F2EC;
  --surface:#1B1626;
  --surface-2:#241D33;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.20);
  --grad-brand:linear-gradient(90deg,#FF3F6C 0%,#FFB13C 100%);
  --accent:#7C5CFF;
  --mint:#33D6B8;
  --text-1:#F6F2EC;
  --text-2:#B6AECB;
  --text-3:#7E7693;
  --r-xl:32px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow-card:0 20px 60px rgba(0,0,0,.55);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;background:var(--bg-ink);color:var(--text-1);font-family:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;font-size:16.5px;line-height:1.8;-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,a,input,select,textarea{-webkit-tap-highlight-color:transparent;}
::selection{background:rgba(255,63,108,.35);color:#fff;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px;}}
/* 顶部信息条 */
.topbar{background:var(--bg-soft);border-bottom:1px solid var(--line);font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.topbar-domain{color:var(--text-3);letter-spacing:.06em;flex-shrink:0;}
.topbar-note{color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:none;}
.topbar-action{flex-shrink:0;font-weight:700;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;transition:opacity .2s ease;}
.topbar-action:hover{opacity:.78;}
.topbar-action:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
@media (min-width:768px){.topbar-note{display:block;}}
/* 主导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(12,10,18,.72);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;}
.site-header.is-scrolled{background:rgba(12,10,18,.94);border-bottom-color:var(--line);box-shadow:0 12px 40px rgba(0,0,0,.5);}
.nav-inner{display:flex;align-items:center;gap:16px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:10px;background:var(--grad-brand);color:#1A0A12;font-weight:900;font-size:13px;letter-spacing:-.04em;}
.brand-text{font-size:13px;font-weight:800;letter-spacing:-.01em;color:var(--text-1);white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--text-3);margin:0 3px;}
.main-nav{display:none;align-items:center;gap:4px;margin-left:auto;}
.nav-link{position:relative;display:inline-flex;align-items:center;padding:9px 14px;border-radius:999px;font-size:15px;color:var(--text-2);transition:color .2s ease,background .2s ease;}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.06);}
.nav-link.is-active{color:var(--text-1);font-weight:600;}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--grad-brand);}
.nav-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.nav-cta{display:none;margin-left:14px;}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);color:var(--text-1);transition:border-color .2s ease,background .2s ease;}
.nav-toggle:hover{border-color:var(--accent);background:rgba(124,92,255,.12);}
.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
@media (min-width:960px){
  .brand-mark{width:38px;height:38px;border-radius:12px;font-size:15px;}
  .brand-text{font-size:15px;}
  .main-nav{display:flex;}
  .nav-cta{display:inline-flex;}
  .nav-toggle{display:none;}
}
/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:90;background:rgba(10,8,16,.985);backdrop-filter:blur(10px);padding:22px 20px 32px;display:flex;flex-direction:column;transform:translateX(102%);visibility:hidden;transition:transform .3s ease,visibility .3s ease;}
.drawer.is-open{transform:translateX(0);visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--text-1);}
.drawer-close:hover{border-color:var(--accent);}
.drawer-links{display:flex;flex-direction:column;}
.drawer-link{height:48px;display:flex;align-items:center;font-size:17px;color:var(--text-2);border-bottom:1px solid var(--line);}
.drawer-link.is-active{color:var(--text-1);font-weight:700;}
.drawer-link:hover{color:var(--text-1);}
.drawer-cta{margin-top:auto;}
/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:14px 28px;font-weight:700;font-size:16px;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background-position .35s ease,border-color .2s ease,color .2s ease;cursor:pointer;white-space:nowrap;}
.btn-sm{padding:10px 22px;font-size:14.5px;}
.btn-primary{background:var(--grad-brand);background-size:170% 100%;background-position:0 0;color:#1B0710;box-shadow:0 12px 30px rgba(255,63,108,.24);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 24px rgba(255,63,108,.48);background-position:100% 0;}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{border:1px solid var(--line-strong);color:var(--text-1);background:transparent;}
.btn-ghost:hover{border-color:var(--accent);background:rgba(124,92,255,.10);transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.98);}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
/* 页面引导带 */
.page-hero{position:relative;overflow:hidden;padding:58px 0 48px;background:
radial-gradient(900px 380px at 8% -12%,rgba(255,63,108,.24),transparent 70%),
radial-gradient(760px 340px at 92% -4%,rgba(124,92,255,.22),transparent 72%),
var(--bg-ink);border-bottom:1px solid var(--line);}
.page-hero::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(rgba(255,255,255,.055) 1px,transparent 1px);background-size:22px 22px;opacity:.35;}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
.hero-copy{max-width:780px;}
.kicker{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;border:1px solid rgba(255,63,108,.42);background:rgba(255,63,108,.10);color:#FFD0CB;font-size:13px;font-weight:600;letter-spacing:.02em;}
.kicker .dot{width:6px;height:6px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(51,214,184,.12);}
.page-hero h1{margin-top:18px;font-size:clamp(38px,6.4vw,64px);line-height:1.08;letter-spacing:-.025em;font-weight:900;color:var(--text-1);}
.page-hero h1 .hl{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.grad-line{width:88px;height:4px;border-radius:4px;background:var(--grad-brand);margin:22px 0 20px;}
.hero-lead{max-width:720px;color:var(--text-2);font-size:16.5px;line-height:1.9;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-card{background:linear-gradient(180deg,rgba(36,29,51,.96),rgba(27,22,38,.96));border:1px solid var(--line-strong);border-radius:var(--r-xl);padding:24px;box-shadow:var(--shadow-card);}
.creator-row{display:flex;align-items:center;gap:14px;}
.creator-avatar{width:58px;height:58px;border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.18);flex-shrink:0;background:var(--surface-2);}
.creator-avatar img{width:100%;height:100%;object-fit:cover;}
.creator-name{font-size:17px;font-weight:800;line-height:1.35;}
.creator-sub{color:var(--text-3);font-size:12.5px;margin-top:2px;}
.creator-badge{display:inline-flex;align-items:center;gap:5px;margin-top:6px;padding:3px 9px;border-radius:999px;background:rgba(51,214,184,.12);border:1px solid rgba(51,214,184,.28);color:var(--mint);font-size:11.5px;font-weight:700;}
.hero-mini-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px;}
.mini-stat{background:rgba(12,10,18,.42);border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 12px;}
.mini-stat b{display:block;font-size:20px;line-height:1.2;color:var(--text-1);letter-spacing:-.02em;}
.mini-stat span{font-size:11.5px;color:var(--text-3);}
.hero-follow{width:100%;margin-top:16px;}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.45fr .75fr;gap:48px;}.page-hero{padding:78px 0 64px;}}
/* 数据徽章带 */
.stats-strip{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:26px 0;}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.stat-item{border:1px solid var(--line);border-radius:var(--r-md);background:rgba(27,22,38,.7);padding:16px 18px;transition:border-color .2s ease,transform .2s ease;}
.stat-item:hover{border-color:var(--line-strong);transform:translateY(-2px);}
.stat-num{font-size:28px;font-weight:900;line-height:1.15;letter-spacing:-.03em;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat-label{font-size:12.5px;color:var(--text-3);margin-top:4px;}
@media (min-width:768px){.stats-grid{grid-template-columns:repeat(4,1fr);gap:24px;}.stat-item{padding:20px 22px;}.stat-num{font-size:34px;}}
/* 通用板块 */
.section{padding:56px 0;}
.section-alt{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;flex-direction:column;gap:12px;max-width:820px;margin-bottom:32px;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--text-3);font-size:12px;font-weight:700;letter-spacing:.18em;}
.eyebrow .num{font-size:13px;opacity:.55;font-weight:800;}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--line-strong);}
.section-head h2{font-size:clamp(27px,4.4vw,40px);line-height:1.22;letter-spacing:-.02em;font-weight:900;color:var(--text-1);}
.section-head p{color:var(--text-2);font-size:15.5px;max-width:720px;}
@media (min-width:1024px){.section{padding:92px 0;}.section-head{margin-bottom:42px;}}
/* 圈子网格 */
.circle-grid{display:grid;grid-template-columns:1fr;gap:20px;}
.circle-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;}
.circle-card:hover{border-color:rgba(255,63,108,.38);transform:translateY(-3px);box-shadow:0 18px 44px rgba(0,0,0,.38);}
.circle-thumb{aspect-ratio:4/3;overflow:hidden;position:relative;background:var(--surface-2);}
.circle-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.circle-card:hover .circle-thumb img{transform:scale(1.04);}
.circle-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 42%,rgba(12,10,18,.65));}
.circle-city{position:absolute;left:12px;bottom:12px;z-index:1;padding:4px 10px;border-radius:999px;background:rgba(12,10,18,.72);border:1px solid var(--line-strong);font-size:11.5px;color:var(--text-1);backdrop-filter:blur(6px);}
.circle-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.circle-body h3{font-size:20px;line-height:1.35;font-weight:800;}
.circle-body p{font-size:14px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.circle-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);color:var(--text-3);font-size:12px;}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:rgba(124,92,255,.14);border:1px solid rgba(124,92,255,.26);color:#D7D0FF;font-size:11.5px;font-weight:600;white-space:nowrap;}
.circle-card:nth-child(1) .circle-thumb{aspect-ratio:16/10;}
.circle-card:nth-child(4) .circle-thumb{aspect-ratio:4/3;}
@media (min-width:640px){.circle-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.circle-grid{grid-template-columns:repeat(3,1fr);gap:24px;}.circle-card:nth-child(2){transform:translateY(18px);}.circle-card:nth-child(2):hover{transform:translateY(14px);}.circle-card:nth-child(5){transform:translateY(-8px);}.circle-card:nth-child(5):hover{transform:translateY(-12px);}}
/* 话题列表 */
.topic-list{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--surface);}
.topic-row{display:grid;grid-template-columns:52px 1fr auto;gap:14px;align-items:center;padding:18px 18px;border-bottom:1px solid var(--line);transition:background .2s ease;}
.topic-row:last-child{border-bottom:0;}
.topic-row:hover{background:rgba(255,255,255,.035);}
.topic-num{font-size:20px;font-weight:900;letter-spacing:-.03em;color:var(--text-3);}
.topic-title{font-size:16px;font-weight:700;line-height:1.5;}
.topic-sub{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:6px;color:var(--text-3);font-size:12px;}
.topic-count{font-size:13px;color:var(--mint);font-weight:700;white-space:nowrap;}
.topic-side-note{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-top:20px;color:var(--text-3);font-size:13px;}
@media (min-width:768px){.topic-row{grid-template-columns:64px 1fr auto;padding:20px 24px;}.topic-title{font-size:17px;}}
/* 礼仪 */
.etiquette-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:stretch;}
.etiquette-media{position:relative;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);min-height:300px;background:var(--surface-2);box-shadow:var(--shadow-card);}
.etiquette-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.etiquette-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,10,18,.05),rgba(12,10,18,.78));}
.etiquette-caption{position:absolute;left:20px;right:20px;bottom:20px;z-index:1;}
.etiquette-caption strong{display:block;font-size:20px;line-height:1.4;}
.etiquette-caption span{display:block;color:var(--text-2);font-size:13px;margin-top:4px;}
.rule-list{display:flex;flex-direction:column;gap:14px;justify-content:center;}
.rule-item{display:grid;grid-template-columns:38px 1fr;gap:14px;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;transition:border-color .2s ease,transform .2s ease;}
.rule-item:hover{border-color:var(--line-strong);transform:translateX(2px);}
.rule-index{width:38px;height:38px;border-radius:12px;background:rgba(255,63,108,.12);border:1px solid rgba(255,63,108,.28);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:900;color:#FFB1C1;}
.rule-item h3{font-size:16px;font-weight:800;line-height:1.45;}
.rule-item p{font-size:13.5px;color:var(--text-2);line-height:1.7;margin-top:3px;}
@media (min-width:960px){.etiquette-grid{grid-template-columns:.9fr 1.1fr;gap:36px;}}
/* 内容示例横滑 */
.rail-wrap{position:relative;}
.rail{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.18) transparent;}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:99px;}
.example-card{flex:0 0 86%;scroll-snap-align:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:border-color .2s ease,transform .2s ease;}
.example-card:hover{border-color:rgba(255,177,60,.36);transform:translateY(-3px);}
.example-card .thumb{aspect-ratio:4/3;overflow:hidden;background:var(--surface-2);}
.example-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.example-card:hover .thumb img{transform:scale(1.04);}
.example-body{padding:18px;}
.example-body h3{font-size:19px;line-height:1.4;font-weight:800;}
.example-body p{font-size:13.5px;line-height:1.7;color:var(--text-2);margin-top:8px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.example-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;color:var(--text-3);font-size:12px;}
@media (min-width:640px){.example-card{flex-basis:58%;}}
@media (min-width:1024px){.example-card{flex-basis:31%;}}
/* 新手上路 */
.steps-grid{display:grid;grid-template-columns:1fr;gap:18px;}
.step-card{position:relative;background:linear-gradient(180deg,var(--surface-2),var(--surface));border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;transition:transform .2s ease,border-color .2s ease;}
.step-card:hover{border-color:rgba(255,63,108,.34);transform:translateY(-3px);}
.step-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;}
.step-num{font-size:36px;line-height:1;font-weight:900;letter-spacing:-.05em;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.step-tag{font-size:11px;color:var(--text-3);letter-spacing:.16em;font-weight:700;}
.step-card h3{font-size:20px;line-height:1.4;font-weight:800;}
.step-card p{font-size:14px;color:var(--text-2);line-height:1.75;margin-top:8px;}
.step-card .step-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:13px;font-weight:700;color:#FFC8B3;}
.step-card .step-link:hover{color:#fff;}
@media (min-width:768px){.steps-grid{grid-template-columns:repeat(3,1fr);}.step-card:nth-child(2){margin-top:26px;}.step-card:nth-child(3){margin-top:52px;}}
/* 动态列表 */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px;}
.news-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;}
.news-card:hover{border-color:rgba(124,92,255,.42);transform:translateY(-3px);box-shadow:0 18px 44px rgba(0,0,0,.38);}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.news-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;color:var(--text-3);font-size:11.5px;}
.news-body h3{font-size:17.5px;line-height:1.45;font-weight:800;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a:hover{color:#FFC8B3;}
.news-body p{font-size:13.5px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.empty-state{border:1px dashed var(--line-strong);border-radius:var(--r-lg);padding:34px 22px;text-align:center;color:var(--text-2);background:rgba(27,22,38,.5);}
@media (min-width:768px){.news-grid{grid-template-columns:1fr 1fr;gap:24px;}}
@media (min-width:1100px){.news-grid{grid-template-columns:repeat(4,1fr);}.news-body h3{font-size:16.5px;}}
/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s ease;}
.faq-item[open]{border-color:rgba(255,63,108,.34);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;font-size:16px;font-weight:700;line-height:1.55;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:22px;line-height:1;color:var(--text-3);transition:transform .2s ease,color .2s ease;flex-shrink:0;}
.faq-item[open] summary::after{content:"−";color:#FFB13C;}
.faq-item summary:focus-visible{outline:2px solid var(--accent);outline-offset:-4px;}
.faq-body{padding:0 20px 20px;color:var(--text-2);font-size:14.5px;line-height:1.85;}
/* 行动区 */
.cta-section{padding-bottom:76px;}
.cta-panel{position:relative;overflow:hidden;border-radius:var(--r-xl);border:1px solid rgba(255,63,108,.30);background:
radial-gradient(700px 260px at 6% 0%,rgba(255,63,108,.20),transparent 68%),
radial-gradient(600px 300px at 100% 100%,rgba(124,92,255,.20),transparent 70%),
var(--surface);
padding:30px 22px;box-shadow:var(--shadow-card);}
.cta-panel h2{font-size:clamp(26px,4vw,38px);line-height:1.22;font-weight:900;letter-spacing:-.02em;max-width:640px;}
.cta-panel p{color:var(--text-2);margin-top:12px;max-width:620px;font-size:15px;}
.join-form{display:grid;grid-template-columns:1fr;gap:14px;margin-top:26px;max-width:820px;}
.field label{display:block;font-size:12.5px;font-weight:700;color:var(--text-3);margin-bottom:6px;letter-spacing:.04em;}
.field input,.field select{width:100%;background:rgba(12,10,18,.56);border:1px solid var(--line-strong);border-radius:var(--r-sm);padding:13px 14px;color:var(--text-1);outline:none;transition:border-color .2s ease,box-shadow .2s ease;font-size:15px;}
.field input::placeholder{color:#716982;}
.field input:focus,.field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(124,92,255,.20);}
.field select option{background:var(--surface);color:var(--text-1);}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:4px;}
.form-privacy{font-size:12px;color:var(--text-3);}
.form-message{display:none;margin-top:14px;border:1px solid rgba(51,214,184,.32);background:rgba(51,214,184,.10);color:#BFF8EC;border-radius:var(--r-sm);padding:12px 14px;font-size:13.5px;}
.form-message.is-visible{display:block;}
@media (min-width:768px){.join-form{grid-template-columns:1fr 1fr 1fr;}.form-foot{grid-column:1/-1;}.cta-panel{padding:46px 44px;}}
/* 页脚 */
.site-footer{background:#08060D;border-top:1px solid var(--line);padding:56px 0 22px;color:var(--text-2);}
.footer-grid{display:grid;grid-template-columns:1fr;gap:30px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:14.5px;font-weight:800;color:var(--text-1);line-height:1.5;}
.footer-about{margin-top:12px;font-size:13.5px;line-height:1.85;color:var(--text-3);max-width:420px;}
.footer-col h4{font-size:13px;letter-spacing:.14em;color:var(--text-1);font-weight:800;margin-bottom:12px;}
.footer-col a,.footer-col p{display:block;font-size:13.5px;color:var(--text-3);line-height:1.8;margin-bottom:8px;transition:color .2s ease;}
.footer-col a:hover{color:var(--text-1);}
.footer-col a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.footer-bottom{margin-top:36px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:8px;font-size:12px;color:var(--text-3);}
.footer-domain{color:var(--text-2);}
@media (min-width:900px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;}.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;gap:20px;}}
/* 移动贴底条 */
.mobile-bar{position:fixed;left:12px;right:12px;bottom:12px;z-index:70;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px 10px 16px;border-radius:999px;background:rgba(20,16,29,.96);border:1px solid rgba(255,63,108,.38);box-shadow:0 18px 50px rgba(0,0,0,.6);backdrop-filter:blur(12px);}
.mobile-bar span{font-size:12.5px;color:var(--text-2);line-height:1.3;}
.mobile-bar .btn{padding:10px 18px;font-size:13.5px;}
@media (min-width:960px){.mobile-bar{display:none;}}

/* roulang page: category3 */
:root{
  --bg-ink:#0C0A12;
  --bg-soft:#14101D;
  --bg-paper:#F6F2EC;
  --surface:#1B1626;
  --surface-2:#241D33;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.20);
  --grad-brand:linear-gradient(90deg,#FF3F6C 0%,#FFB13C 100%);
  --accent:#7C5CFF;
  --mint:#33D6B8;
  --text-1:#F6F2EC;
  --text-2:#B6AECB;
  --text-3:#7E7693;
  --r-xl:32px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow-card:0 20px 60px rgba(0,0,0,.55);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;background:var(--bg-ink);color:var(--text-1);font-family:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;font-size:16.5px;line-height:1.8;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px;}}

/* ===== 主导航 ===== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(12,10,18,.78);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;}
.site-header.is-scrolled{background:rgba(12,10,18,.95);border-bottom-color:var(--line);box-shadow:0 12px 40px rgba(0,0,0,.5);}
.nav-inner{display:flex;align-items:center;gap:16px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:10px;background:var(--grad-brand);color:#1A0A12;font-weight:900;font-size:13px;letter-spacing:-.04em;}
.brand-text{font-size:13px;font-weight:800;letter-spacing:-.01em;color:var(--text-1);white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--text-3);margin:0 3px;}
@media (min-width:768px){
  .brand-mark{width:38px;height:38px;border-radius:12px;font-size:15px;}
  .brand-text{font-size:15px;}
}
.main-nav{display:none;}
.nav-cta{display:none;}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);color:var(--text-1);transition:border-color .2s ease,background .2s ease;}
.nav-toggle:hover{border-color:var(--accent);background:rgba(124,92,255,.12);}
.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
@media (min-width:1024px){
  .main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
  .nav-cta{display:inline-flex;margin-left:14px;}
  .nav-toggle{display:none;}
}
.nav-link{position:relative;display:inline-flex;align-items:center;padding:9px 14px;border-radius:999px;font-size:15px;color:var(--text-2);transition:color .2s ease,background .2s ease;}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.06);}
.nav-link.is-active{color:var(--text-1);font-weight:600;}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--grad-brand);}
.nav-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

/* ===== 抽屉 ===== */
.drawer{position:fixed;inset:0;z-index:90;background:rgba(10,8,16,.98);backdrop-filter:blur(10px);padding:22px 20px 32px;display:flex;flex-direction:column;transform:translateX(102%);visibility:hidden;transition:transform .3s ease,visibility .3s ease;}
.drawer.is-open{transform:translateX(0);visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--text-1);}
.drawer-close:hover{border-color:var(--accent);}
.drawer-links{display:flex;flex-direction:column;}
.drawer-link{height:48px;display:flex;align-items:center;font-size:17px;color:var(--text-2);border-bottom:1px solid var(--line);}
.drawer-link.is-active{color:var(--text-1);font-weight:700;}
.drawer-link:hover{color:var(--text-1);}
.drawer-cta{margin-top:auto;}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:14px 28px;font-weight:700;font-size:16px;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background-position .35s ease,border-color .2s ease,color .2s ease;cursor:pointer;}
.btn-sm{padding:10px 22px;font-size:14.5px;}
.btn-primary{background:var(--grad-brand);background-size:170% 100%;background-position:0 0;color:#1B0710;box-shadow:0 12px 30px rgba(255,63,108,.24);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 24px rgba(255,63,108,.48);background-position:100% 0;}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{border:1px solid var(--line-strong);color:var(--text-1);background:transparent;}
.btn-ghost:hover{border-color:var(--accent);background:rgba(124,92,255,.10);transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.98);}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

/* ===== 分类页引导带 ===== */
.cat-hero{position:relative;overflow:hidden;isolation:isolate;padding:56px 0 48px;background:var(--bg-soft);border-bottom:1px solid var(--line);}
.cat-hero::before{content:"";position:absolute;top:-320px;right:-180px;width:720px;height:720px;z-index:-1;background:radial-gradient(circle at 35% 40%,rgba(255,63,108,.30),transparent 62%),radial-gradient(circle at 70% 72%,rgba(124,92,255,.26),transparent 62%);filter:blur(6px);pointer-events:none;}
.cat-hero::after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;z-index:-1;background:linear-gradient(180deg,rgba(12,10,18,0) 40%,rgba(12,10,18,.72) 100%);pointer-events:none;}
@media (min-width:768px){.cat-hero{padding:78px 0 66px;}}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;flex-wrap:wrap;}
.crumb a:hover{color:var(--text-1);}
.crumb .sep{opacity:.6;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--text-3);font-variant-numeric:tabular-nums;}
.eyebrow .dot{width:26px;height:2px;border-radius:2px;background:var(--grad-brand);display:inline-block;}
.cat-hero h1{margin:16px 0 0;font-size:36px;line-height:1.12;letter-spacing:-.02em;font-weight:900;max-width:760px;}
@media (min-width:768px){.cat-hero h1{font-size:52px;}}
@media (min-width:1024px){.cat-hero h1{font-size:58px;line-height:1.05;}}
.title-rule{width:88px;height:4px;border-radius:4px;background:var(--grad-brand);margin:22px 0 0;}
.cat-lead{margin-top:20px;max-width:680px;color:var(--text-2);font-size:16px;}
@media (min-width:768px){.cat-lead{font-size:17px;}}
.hero-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:32px;max-width:680px;}
@media (min-width:768px){.hero-facts{grid-template-columns:repeat(4,minmax(0,1fr));}}
.fact{border:1px solid var(--line);border-radius:var(--r-md);background:rgba(255,255,255,.03);padding:14px 16px;}
.fact b{display:block;font-size:20px;font-weight:900;letter-spacing:-.02em;font-variant-numeric:tabular-nums;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.fact span{display:block;font-size:12.5px;color:var(--text-3);margin-top:2px;}

/* ===== 板块 ===== */
.sec{padding:56px 0;}
@media (min-width:768px){.sec{padding:96px 0;}}
.sec-soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-paper{background:var(--bg-paper);color:#191322;}
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-num{display:inline-block;font-size:12.5px;letter-spacing:.22em;color:var(--text-3);font-variant-numeric:tabular-nums;margin-bottom:12px;}
.sec-head h2{font-size:27px;line-height:1.25;letter-spacing:-.02em;font-weight:900;}
@media (min-width:768px){.sec-head h2{font-size:38px;}}
.sec-head p{margin-top:14px;color:var(--text-2);max-width:720px;font-size:16px;}
.sec-paper .sec-num{color:#8B7F9C;}
.sec-paper .sec-head p{color:#4E4460;}

/* ===== 目录 ===== */
.toc-grid{display:grid;grid-template-columns:1fr;gap:26px;}
@media (min-width:1024px){.toc-grid{grid-template-columns:1.25fr .8fr;gap:40px;}}
.toc-list{border-top:1px solid var(--line);}
.toc-item{display:flex;gap:16px;align-items:flex-start;padding:18px 6px;border-bottom:1px solid var(--line);transition:background .2s ease,padding-left .2s ease;}
.toc-item:hover{background:rgba(255,255,255,.035);padding-left:12px;}
.toc-item .idx{font-size:13px;font-weight:800;color:transparent;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;font-variant-numeric:tabular-nums;min-width:26px;}
.toc-item h3{font-size:17px;font-weight:700;margin-bottom:4px;}
.toc-item p{font-size:14px;color:var(--text-3);line-height:1.7;}
.toc-note{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);padding:26px;box-shadow:var(--shadow-card);}
.toc-note h3{font-size:19px;font-weight:800;margin-bottom:12px;}
.toc-note p{color:var(--text-2);font-size:15px;}
.toc-note p + p{margin-top:12px;}

/* ===== 关键要点大卡 ===== */
.key-card{position:relative;border-radius:var(--r-xl);padding:2px;background:var(--grad-brand);box-shadow:var(--shadow-card);}
.key-card-inner{background:var(--surface);border-radius:calc(var(--r-xl) - 2px);padding:26px;display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:768px){.key-card-inner{padding:40px;}}
@media (min-width:1024px){.key-card-inner{grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;}}
.key-card h2{font-size:25px;line-height:1.3;font-weight:900;letter-spacing:-.02em;}
@media (min-width:768px){.key-card h2{font-size:32px;}}
.key-card p{margin-top:14px;color:var(--text-2);font-size:15.5px;}
.key-list{margin-top:20px;display:grid;gap:12px;}
.key-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-1);}
.key-list .mark{flex-shrink:0;width:22px;height:22px;border-radius:999px;background:rgba(51,214,184,.16);color:var(--mint);display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;margin-top:2px;}
.key-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10;background:var(--surface-2);}
.key-media img{width:100%;height:100%;object-fit:cover;}

/* ===== 攻略列表 ===== */
.guide-list{border-top:1px solid var(--line);}
.guide-item{display:block;padding:22px 4px;border-bottom:1px solid var(--line);transition:background .2s ease,padding-left .2s ease;}
.guide-item:hover{background:rgba(255,255,255,.04);padding-left:14px;}
.guide-item:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:10px;}
.guide-head{display:flex;align-items:baseline;gap:14px;}
.guide-num{font-size:13px;font-weight:800;color:var(--text-3);font-variant-numeric:tabular-nums;flex-shrink:0;}
.guide-item h3{font-size:18px;font-weight:800;line-height:1.4;letter-spacing:-.01em;}
@media (min-width:768px){.guide-item h3{font-size:21px;}}
.guide-item p.sum{margin:8px 0 0 0;color:var(--text-2);font-size:14.5px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
@media (min-width:768px){.guide-item p.sum{margin-left:40px;}}
.guide-meta{display:flex;gap:14px;flex-wrap:wrap;margin-top:10px;font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums;}
@media (min-width:768px){.guide-meta{margin-left:40px;}}
.guide-meta .tag{padding:2px 10px;border-radius:999px;border:1px solid rgba(124,92,255,.45);color:#C3B4FF;background:rgba(124,92,255,.12);}
.list-foot{margin-top:28px;display:flex;justify-content:center;}
.empty-state{border:1px dashed var(--line-strong);border-radius:var(--r-lg);padding:32px;text-align:center;color:var(--text-3);font-size:14.5px;}

/* ===== 误区 ===== */
.myth-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.myth-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.myth-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;transition:border-color .2s ease,transform .2s ease;}
.myth-card:hover{border-color:rgba(255,63,108,.5);transform:translateY(-3px);}
.myth-tag{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;font-size:12px;letter-spacing:.06em;color:#FFC9A2;border:1px solid rgba(255,177,60,.45);background:rgba(255,177,60,.10);margin-bottom:14px;}
.myth-card h3{font-size:19px;font-weight:800;line-height:1.45;}
.myth-card p{margin-top:10px;font-size:14.5px;color:var(--text-2);line-height:1.75;}
.myth-fix{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:14px;color:var(--mint);}

/* ===== 安全清单 ===== */
.check-grid{display:grid;grid-template-columns:1fr;gap:14px;}
@media (min-width:768px){.check-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
.check-item{display:flex;gap:14px;align-items:flex-start;background:#FFFFFF;border:1px solid rgba(20,16,29,.10);border-radius:var(--r-md);padding:18px 20px;transition:border-color .2s ease,box-shadow .2s ease;}
.check-item:hover{border-color:rgba(255,63,108,.4);box-shadow:0 10px 26px rgba(20,16,29,.10);}
.check-box{flex-shrink:0;width:24px;height:24px;border-radius:8px;background:var(--grad-brand);color:#2A0A14;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:900;margin-top:2px;}
.check-item strong{display:block;font-size:16px;font-weight:800;color:#171122;}
.check-item span.txt{display:block;font-size:14px;color:#514663;line-height:1.7;margin-top:3px;}

/* ===== 延伸阅读 ===== */
.read-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media (min-width:768px){.read-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.read-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;transition:border-color .2s ease,transform .2s ease;}
.read-card:hover{border-color:rgba(255,63,108,.5);transform:translateY(-3px);}
.read-card h3{font-size:17px;font-weight:800;line-height:1.5;}
.read-card p{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.read-meta{margin-top:auto;padding-top:16px;font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums;}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);overflow:hidden;transition:border-color .2s ease;}
.faq-item[open]{border-color:rgba(124,92,255,.55);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:16px;font-weight:700;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:focus-visible{outline:2px solid var(--accent);outline-offset:-3px;}
.faq-item summary .plus{flex-shrink:0;width:22px;height:22px;border-radius:999px;border:1px solid var(--line-strong);display:inline-flex;align-items:center;justify-content:center;font-size:13px;color:var(--text-2);transition:transform .2s ease,border-color .2s ease;}
.faq-item[open] summary .plus{transform:rotate(45deg);border-color:var(--accent);color:#fff;}
.faq-body{padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.8;}

/* ===== 收口 CTA ===== */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-xl);border:1px solid var(--line);background:linear-gradient(120deg,rgba(255,63,108,.16),rgba(124,92,255,.14) 60%,rgba(27,22,38,.9));padding:34px 24px;text-align:center;}
@media (min-width:768px){.cta-band{padding:56px 48px;}}
.cta-band h2{font-size:26px;line-height:1.3;font-weight:900;letter-spacing:-.02em;}
@media (min-width:768px){.cta-band h2{font-size:36px;}}
.cta-band p{margin-top:14px;color:var(--text-2);font-size:15.5px;max-width:640px;margin-left:auto;margin-right:auto;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:26px;}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:56px 0 26px;margin-top:0;}
@media (min-width:768px){.site-footer{padding:72px 0 30px;}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;letter-spacing:-.01em;}
.footer-about{margin-top:16px;color:var(--text-3);font-size:14px;line-height:1.8;max-width:420px;}
.footer-col h4{font-size:14px;font-weight:800;color:var(--text-1);margin-bottom:14px;letter-spacing:.02em;}
.footer-col a,.footer-col p{display:block;font-size:14px;color:var(--text-3);line-height:1.9;transition:color .2s ease;}
.footer-col a:hover{color:var(--text-1);}
.footer-col a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:var(--text-3);}
.footer-domain{color:var(--text-2);font-variant-numeric:tabular-nums;}

/* ===== 移动端底部转化条 ===== */
.mobile-bar{position:fixed;left:12px;right:12px;bottom:12px;z-index:50;display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:999px;border:1px solid rgba(255,63,108,.5);background:rgba(20,16,29,.96);backdrop-filter:blur(10px);box-shadow:0 12px 34px rgba(0,0,0,.6);}
.mobile-bar span{font-size:13px;color:var(--text-2);flex:1;}
.mobile-bar .btn{padding:9px 18px;font-size:13.5px;}
@media (min-width:1024px){.mobile-bar{display:none;}}
@media (max-width:1023px){body{padding-bottom:76px;}}