:root{--bg:#FFF5F8;--bg2:#FFEBF1;--card:#FFFFFF;--sub:#FFF0F5;--hover:#FFE4EC;--title:#2D1B24;--text:#3D2A32;--muted:#6B4E58;--soft:#9A7A85;--pink:#FF6B9D;--pink2:#FF8FAB;--pink3:#FFB3C6;--border:rgba(255,107,157,.15);--border-strong:rgba(255,107,157,.35);--shadow:0 12px 36px rgba(255,107,157,.12);--glow:0 10px 28px rgba(255,107,157,.18);--nav-h:72px;--radius:18px}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}body.ui-locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.container{width:min(1280px,calc(100% - 32px));margin-inline:auto}.site-header{position:fixed;inset:0 0 auto;z-index:1000;background:rgba(255,245,248,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}.nav-shell{height:var(--nav-h);width:min(1280px,calc(100% - 32px));margin:auto;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;flex:0 0 auto;min-width:max-content}.brand-logo{display:block;max-width:156px;height:40px;object-fit:contain}.brand-text{font-size:1.3rem;font-weight:900;color:var(--title);letter-spacing:.02em}.desktop-nav{display:flex;align-items:center;gap:4px;flex:1;min-width:0}.desktop-nav a{display:flex;align-items:center;height:42px;padding:0 14px;border-radius:999px;font-weight:700;color:var(--muted);white-space:nowrap}.desktop-nav a:hover,.desktop-nav a.is-active{background:var(--hover);color:var(--pink)}.nav-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.icon-btn,.panel-close{width:44px;height:44px;border:1px solid var(--border);border-radius:50%;background:var(--card);color:var(--title);cursor:pointer;display:grid;place-items:center}.icon-btn:hover,.panel-close:hover{background:var(--hover)}.menu-trigger.mobile-only{display:none}.menu-trigger span{width:18px;height:2px;background:var(--title);display:block;margin:2px auto;border-radius:2px}.app-pill{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 19px;border-radius:999px;background:linear-gradient(135deg,var(--pink2),var(--pink));color:#fff;font-weight:800;box-shadow:var(--glow);white-space:nowrap}.app-pill:hover{transform:translateY(-1px)}main{padding-top:var(--nav-h)}
.hero{padding:54px 0 28px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(300px,1fr);gap:24px;align-items:stretch}.hero-media,.media-card{background:linear-gradient(145deg,#fff,#ffedf3);border:1px solid var(--border);border-radius:28px;min-height:520px;overflow:hidden;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;position:relative}.hero-media:empty:before,.media-card:empty:before{content:"TANGXIN VLOG";font-weight:900;letter-spacing:.18em;color:rgba(255,107,157,.28);font-size:clamp(1.4rem,3vw,3rem)}.hero-media img,.media-card img{width:100%;height:100%;object-fit:contain;display:block}.hero-copy{background:var(--card);border:1px solid var(--border);border-radius:28px;padding:34px;box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:center}.eyebrow{font-size:.82rem;color:var(--pink);font-weight:900;letter-spacing:.12em;text-transform:uppercase}.hero h1,.page-hero h1{font-size:clamp(2rem,4vw,4.4rem);line-height:1.12;margin:.35em 0 .3em;color:var(--title);letter-spacing:-.035em}.hero p,.page-hero p{color:var(--muted)}.button-row{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:999px;font-weight:800;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--pink2),var(--pink));color:#fff;box-shadow:var(--glow)}.btn-secondary{border:1px solid rgba(255,107,157,.4);color:var(--pink);background:#fff}.btn:hover{transform:translateY(-1px)}.hero-list{display:grid;gap:10px;margin-top:8px}.hero-list a{padding:12px 14px;border-radius:14px;background:var(--sub);border:1px solid var(--border);font-weight:700}.hero-list a:hover{background:var(--hover)}
.quick-strip{position:relative;z-index:1;background:var(--sub);border-block:1px solid var(--border)}.quick-scroll{display:flex;gap:18px;overflow-x:auto;padding:13px 0;scrollbar-width:none}.quick-scroll::-webkit-scrollbar{display:none}.quick-scroll a{white-space:nowrap;color:var(--muted);font-weight:700}.quick-scroll a:hover{color:var(--pink)}.section{padding:58px 0}.section.alt{background:var(--bg2)}.section-head{display:flex;justify-content:space-between;gap:18px;align-items:end;margin-bottom:24px}.section-head h2{font-size:clamp(1.65rem,3vw,2.7rem);line-height:1.2;margin:0;color:var(--title)}.section-head p{margin:0;color:var(--muted);max-width:660px}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:0 8px 24px rgba(255,107,157,.07)}.card h3{margin:0 0 10px;color:var(--title);font-size:1.08rem}.card p{margin:0;color:var(--muted)}.card .label{display:inline-flex;margin-bottom:12px;padding:4px 10px;border-radius:999px;background:var(--sub);color:var(--pink);font-size:.82rem;font-weight:800}.feature-list{display:grid;gap:12px}.feature-item{padding:18px 20px;background:var(--card);border:1px solid var(--border);border-radius:16px}.feature-item strong{display:block;color:var(--title);margin-bottom:5px}.feature-item span{color:var(--muted)}.split{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center}.split .media-card{min-height:390px}.prose{font-size:1.02rem}.prose p{color:var(--muted);margin:.85em 0}.prose h2,.prose h3{color:var(--title);line-height:1.25}.topic-track{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(270px,1fr);gap:16px;overflow-x:auto;padding-bottom:6px;scroll-snap-type:x proximity}.topic-track .card{scroll-snap-align:start}.page-hero{padding:56px 0 34px;background:linear-gradient(180deg,var(--bg2),var(--bg))}.page-hero-inner{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:30px;align-items:center}.page-hero .media-card{min-height:330px}.breadcrumbs{display:flex;gap:8px;flex-wrap:wrap;color:var(--soft);font-size:.9rem}.breadcrumbs a:hover{color:var(--pink)}.notice{padding:18px 20px;border-radius:16px;background:var(--sub);border:1px solid var(--border);color:var(--muted)}.notice strong{color:var(--title)}.steps{counter-reset:step;display:grid;gap:14px}.step{position:relative;padding:20px 20px 20px 68px;background:var(--card);border:1px solid var(--border);border-radius:16px}.step:before{counter-increment:step;content:counter(step);position:absolute;left:18px;top:18px;width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:linear-gradient(135deg,var(--pink2),var(--pink));color:#fff;font-weight:900}.faq{display:grid;gap:12px}.faq details{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:0 18px}.faq summary{cursor:pointer;font-weight:800;color:var(--title);padding:18px 4px}.faq details p{padding:0 4px 18px;margin:0;color:var(--muted)}
.site-footer{background:#2D1B24;color:#FFD6E3;padding:52px 0 calc(36px + env(safe-area-inset-bottom))}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:34px}.footer-brand-row{display:flex;align-items:center;gap:12px}.footer-logo{width:52px;height:52px;object-fit:contain}.footer-brand strong{display:block;color:#fff;font-size:1.15rem}.footer-brand span{display:block;color:#f4a7bf;font-size:.75rem;letter-spacing:.12em}.footer-brand p{color:#d8afbd;max-width:430px}.site-footer nav{display:flex;flex-direction:column;gap:8px}.site-footer h2{color:#fff;font-size:.95rem;margin:0 0 8px}.site-footer a{color:#d8afbd}.site-footer a:hover{color:#fff}.footer-subtitle{margin-top:18px!important}.footer-note{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:20px;color:#b98e9d;font-size:.9rem;display:flex;justify-content:space-between;gap:28px}.footer-note p{margin:0}.overlay{position:fixed;inset:0;background:rgba(45,27,36,.36);z-index:1400;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-visible{opacity:1;visibility:visible;pointer-events:auto}.channel-panel{position:fixed;top:0;right:0;width:min(460px,88vw);height:100dvh;background:#fff;z-index:1500;transform:translateX(105%);visibility:hidden;pointer-events:none;transition:.25s;box-shadow:-20px 0 60px rgba(45,27,36,.18);display:flex;flex-direction:column}.channel-panel.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.panel-head{height:72px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 18px;flex:0 0 auto}.panel-brand{display:flex;align-items:center;gap:10px;font-weight:900}.panel-brand img{height:38px;max-width:150px;object-fit:contain}.panel-groups{overflow-y:auto;padding:18px}.panel-groups section{padding:10px 0 18px}.panel-groups h2{font-size:.86rem;color:var(--soft);text-transform:uppercase;letter-spacing:.08em}.panel-groups a{display:block;padding:13px 14px;border-radius:14px}.panel-groups a:hover{background:var(--sub)}.panel-groups b{display:block;color:var(--title)}.panel-groups span{display:block;color:var(--muted);font-size:.9rem;margin-top:2px}.search-panel{position:fixed;top:var(--nav-h);left:0;right:0;z-index:1500;background:#fff;border-bottom:1px solid var(--border);box-shadow:0 20px 60px rgba(45,27,36,.16);transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-panel.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}.search-inner{padding:24px 0 28px}.search-head{display:flex;justify-content:space-between;align-items:center;gap:18px}.search-head h2{margin:0;color:var(--title)}.search-box{height:54px;border:1px solid var(--border-strong);border-radius:16px;display:flex;align-items:center;gap:10px;padding:0 16px;margin:18px 0;background:var(--bg)}.search-box input{border:0;outline:0;background:transparent;width:100%;color:var(--title)}.search-columns{display:grid;grid-template-columns:1fr 1fr;gap:18px}.search-columns h3{font-size:.9rem;color:var(--soft)}.tag-row{display:flex;gap:8px;flex-wrap:wrap}.tag-row button{border:1px solid var(--border);background:var(--sub);color:var(--pink);border-radius:999px;padding:7px 12px;cursor:pointer}.search-results{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}.search-results a{padding:14px;border:1px solid var(--border);border-radius:14px;background:#fff}.search-results b,.search-results span{display:block}.search-results span{color:var(--muted);font-size:.88rem;margin-top:3px}.empty-result{color:var(--muted)}.mobile-bottom-nav{display:none}
:focus-visible{outline:3px solid rgba(255,107,157,.38);outline-offset:3px}
@media(max-width:980px){.desktop-nav{display:none}.hero-grid,.page-hero-inner,.split{grid-template-columns:1fr}.hero-copy{order:-1}.grid-4{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.4fr repeat(2,1fr)}.footer-grid nav:last-child{grid-column:2/4}.hero-media{min-height:420px}.menu-trigger.desktop-only{display:grid}}
@media(max-width:720px){:root{--nav-h:64px}.container,.nav-shell{width:min(100% - 30px,1280px)}.nav-shell{display:grid;grid-template-columns:48px 1fr auto;gap:8px}.menu-trigger.mobile-only{display:grid}.desktop-only{display:none!important}.brand{justify-content:center;min-width:0}.brand-logo{max-width:132px;height:36px}.brand-text{font-size:1.08rem}.nav-actions{margin:0}.app-pill{padding:0 14px;min-width:58px}.hero{padding-top:28px}.hero-grid{display:flex;flex-direction:column}.hero-copy{padding:24px}.hero-media{min-height:280px}.hero h1,.page-hero h1{font-size:2.25rem}.button-row{display:grid;grid-template-columns:1fr 1fr}.btn{padding:0 14px}.section{padding:42px 0}.section-head{display:block}.section-head p{margin-top:10px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.topic-track{grid-auto-columns:84vw}.page-hero{padding:34px 0 22px}.page-hero-inner{display:flex;flex-direction:column}.page-hero-inner>div:first-child{order:-1}.page-hero .media-card{min-height:240px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-grid nav:last-child{grid-column:auto}.footer-note{display:block}.footer-note p+p{margin-top:8px}.search-panel{top:0;height:100dvh;overflow-y:auto}.search-inner{padding-top:18px}.search-columns,.search-results{grid-template-columns:1fr}.channel-panel{width:min(88vw,420px)}.mobile-bottom-nav{position:fixed;z-index:900;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;padding-bottom:env(safe-area-inset-bottom);background:rgba(255,255,255,.96);border-top:1px solid var(--border);backdrop-filter:blur(14px)}.mobile-bottom-nav a{min-height:54px;display:flex;align-items:center;justify-content:center;font-size:.83rem;color:var(--muted);font-weight:700}.mobile-bottom-nav a.is-active{color:var(--pink);background:var(--sub)}.site-footer{padding-bottom:calc(90px + env(safe-area-inset-bottom))}.hero-copy p{margin-top:0}.hero-list{margin-top:0}.card{padding:19px}}
@media(max-width:380px){.button-row{grid-template-columns:1fr}.app-pill{padding:0 10px}.brand-text{font-size:1rem}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}