:root{--orange:#f2930d;--orange-dark:#a85800;--grad:linear-gradient(135deg,#ffc15a,#ed8a09);--ink:#2b1a0b;--ink2:#6f5b46;--ink3:#968573;--line:#f0dfc7;--paper:#fffaf3;--white:#fff;--shadow:0 18px 50px -28px rgba(116,69,16,.35)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}a{color:inherit}img{max-width:100%;height:auto}button,input,textarea,select{font:inherit}.wrap{width:min(1120px,100%);margin:0 auto;padding:0 24px}.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px;z-index:9999}.demo-bar{background:#5b3410;color:#fff;text-align:center;font-size:13px;padding:5px 16px}.nav{position:sticky;top:0;z-index:30;background:rgba(255,250,243,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(240,223,199,.75)}.nav .wrap{height:76px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;margin-right:auto}.brand-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:var(--grad);color:#fff;font-weight:900}.brand b{display:block;line-height:1.2}.brand small{display:block;font-size:10px;letter-spacing:1.6px;color:var(--ink3)}.nav-links{display:flex;gap:25px;align-items:center;list-style:none;margin:0;padding:0}.nav-links a{text-decoration:none;font-size:14px;font-weight:700}.nav-links a:hover{color:var(--orange-dark)}.menu-btn{display:none;border:0;background:none;font-size:26px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:999px;text-decoration:none;font-weight:800;border:1px solid transparent;cursor:pointer}.btn-primary{background:var(--grad);color:#3c2205;box-shadow:0 8px 22px -10px rgba(242,147,13,.8)}.btn-ghost{background:#fff;border-color:#e7c69b;color:var(--orange-dark)}.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #9c5700;outline-offset:3px}.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 500px at 80% -10%,rgba(255,182,74,.35),transparent 60%),radial-gradient(800px 400px at -10% 110%,rgba(242,147,13,.18),transparent 55%);padding:64px 0 56px}.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:stretch}.hero .wrap>div:first-child{display:flex;flex-direction:column;justify-content:center;min-width:0}.hero-tag{align-self:flex-start;display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);color:var(--orange-dark);font-size:13px;font-weight:700;padding:6px 16px;border-radius:999px;margin-bottom:18px;box-shadow:0 4px 14px rgba(242,147,13,.12)}.hero-tag .dot{width:8px;height:8px;border-radius:50%;background:var(--orange)}.hero h1{font-size:44px;font-weight:900;line-height:1.3;letter-spacing:1px;margin:0;overflow-wrap:anywhere}.hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}.hero .lang{margin-top:22px;display:flex;gap:10px;flex-wrap:wrap}.chip{display:inline-flex;background:#fff;border:1px solid var(--line);border-radius:9px;padding:5px 11px;color:var(--ink2);font-size:13px}.hero-cta{margin-top:26px;display:flex;gap:14px;flex-wrap:wrap}.hero-card{background:linear-gradient(160deg,#fff 0%,#fff6e6 100%);border:1px solid var(--line);border-radius:24px;padding:22px 24px;box-shadow:var(--shadow);position:relative;min-width:0;height:560px;overflow:hidden;display:flex;flex-direction:column;align-items:flex-start}.hero-card:before{content:"";position:absolute;top:0;left:24px;right:24px;height:3px;border-radius:3px;background:var(--grad)}.hero-news-list{display:flex;flex-direction:column;gap:10px;width:100%;flex:1 1 0;min-height:0;overflow:hidden}.hero-news-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 14px;text-decoration:none;transition:.18s;display:block}.hero-news-item:hover{border-color:var(--orange);transform:translateY(-2px)}.meta{display:flex;gap:8px;align-items:center;font-size:11.5px;color:var(--ink3);margin-bottom:5px;flex-wrap:wrap}.date{background:#fff1e0;color:var(--orange-dark);font-weight:800;padding:2px 8px;border-radius:999px}.hero-news-item h3{font-size:14.5px;font-weight:800;line-height:1.45;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.hero-news-item p{font-size:12px;color:var(--ink2);margin:4px 0 0;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.hero-news-more{margin-top:auto;width:100%;padding:10px 20px}.section{padding:64px 0}.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.sec-title{text-align:center;margin-bottom:32px}.en{color:var(--orange-dark);font-size:12px;font-weight:800;letter-spacing:2.4px;text-transform:uppercase}.sec-title h2{font-size:32px;line-height:1.35;margin:5px 0 8px}.sec-title p{color:var(--ink2);margin:0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 8px 26px -24px rgba(70,40,5,.5)}.card h3{margin:8px 0;line-height:1.5}.card p{color:var(--ink2)}.card-icon{font-size:30px;color:var(--orange-dark)}.card-link{text-decoration:none;display:block;transition:.18s}.card-link:hover{transform:translateY(-3px);border-color:var(--orange)}.cover{aspect-ratio:16/9;border-radius:12px;background:linear-gradient(135deg,#ffe8bd,#fff7e9);display:grid;place-items:center;color:var(--orange-dark);font-weight:800;overflow:hidden;margin-bottom:16px}.cover img{width:100%;height:100%;object-fit:cover}.review quote{display:block;font-size:17px;color:var(--ink);font-weight:650}.review footer{margin-top:16px;color:var(--ink2)}.faq-list{max-width:860px;margin:auto}.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;padding:18px 22px}.faq-item h3{font-size:17px;margin:0 0 8px}.faq-item p{margin:0;color:var(--ink2)}.news-list{max-width:860px;margin:0 auto}.news-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 24px;margin-bottom:14px;display:block;text-decoration:none}.news-item h3{font-size:18px;line-height:1.55;margin:5px 0}.news-item p{font-size:14px;color:var(--ink2);margin:6px 0}.center{text-align:center;margin-top:26px}.cta{margin:64px auto 0;background:linear-gradient(135deg,#fff1d8,#fff);border:1px solid var(--line);border-radius:24px;padding:38px}.cta h2{margin-top:0}.lead-form{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:flex;flex-direction:column;gap:5px;font-size:13px;font-weight:700}.field.full{grid-column:1/-1}.field input,.field textarea,.field select{width:100%;padding:11px 13px;border:1px solid #dfc5a4;border-radius:10px;background:#fff;color:var(--ink)}.field textarea{min-height:100px;resize:vertical}.form-status{grid-column:1/-1;min-height:24px;color:var(--orange-dark)}.site-footer{background:#2a1604;color:rgba(255,255,255,.8);padding:42px 0;margin-top:64px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}.site-footer a{color:#fff}.site-footer h3{color:#fff}.page-head{padding:56px 0 30px;background:linear-gradient(135deg,#fff0d5,#fffaf3)}.page-head h1{font-size:40px;line-height:1.3;margin:8px 0}.breadcrumbs{font-size:13px;color:var(--ink2)}.breadcrumbs a{color:var(--orange-dark)}.article{max-width:820px;margin:0 auto;padding:36px 24px}.article-title{font-size:38px;line-height:1.4;margin:12px 0}.article-summary{font-size:18px;color:var(--ink2);background:#fff6e7;border-left:4px solid var(--orange);padding:18px 22px;border-radius:0 12px 12px 0}.article-body{font-size:17px}.article-body h2{font-size:27px;margin-top:42px}.article-body h3{font-size:21px}.article-body blockquote{border-left:3px solid var(--orange);margin-left:0;padding-left:18px;color:var(--ink2)}.source-list{font-size:14px;color:var(--ink2)}.profile{display:grid;grid-template-columns:280px 1fr;gap:36px;align-items:start}.portrait{aspect-ratio:4/5;border-radius:22px;background:var(--grad);display:grid;place-items:center;color:#fff;font-size:70px;font-weight:900;overflow:hidden}.portrait img{width:100%;height:100%;object-fit:cover}.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.fact{padding:14px;background:#fff;border:1px solid var(--line);border-radius:12px}.empty{padding:28px;text-align:center;border:1px dashed var(--line);border-radius:16px;color:var(--ink2)}
@media(max-width:960px){.nav-links{gap:15px}.grid{grid-template-columns:repeat(2,1fr)}.hero h1{font-size:38px}.hero-card{padding:20px 18px}}
@media(max-width:860px){.menu-btn{display:block}.nav-links{display:none;position:absolute;top:76px;left:0;right:0;background:#fffaf3;padding:18px 24px;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}.nav-links.open{display:flex}.nav .btn{display:none}.hero .wrap{grid-template-columns:1fr}.hero .hero-card{height:auto;overflow:visible}.hero-news-list{flex:0 0 auto;overflow:visible}.hero-news-more{margin-top:12px}.profile{grid-template-columns:1fr}.portrait{max-width:320px}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.wrap{padding:0 18px}.hero{padding:40px 0}.hero h1{font-size:32px}.section{padding:44px 0}.sec-title h2{font-size:27px}.grid,.lead-form,.facts{grid-template-columns:1fr}.field.full{grid-column:auto}.cta{padding:24px 18px}.article-title,.page-head h1{font-size:30px}.article{padding:26px 18px}.footer-grid{grid-template-columns:1fr}.hero-card{padding:18px 14px}.btn{padding:11px 18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* 俞冰站点主题：国风胭脂红 */
:root{--orange:#b5352c;--orange-dark:#8e2820;--grad:linear-gradient(135deg,#c9584a,#a53227)}
/* B 站视频嵌入 */
.video-embed{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:14px;margin:18px 0;box-shadow:var(--shadow)}
.video-embed iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0}
.video-embed-note{font-size:13px;color:var(--ink3);margin-top:-6px}
.video-embed-note a{color:var(--orange-dark)}
/* ICP 条 */
.icp-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center;padding:14px 24px 22px;font-size:13px;color:var(--ink3);border-top:1px solid var(--line);margin-top:8px}
.icp-bar a{color:var(--ink2);text-decoration:none}
.icp-bar a:hover{color:var(--orange-dark);text-decoration:underline}
.icp-sep{opacity:.5}
/* 视频列表页 */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.video-card{display:block;background:var(--white);border:1px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none;color:inherit;transition:.18s}
.video-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#e0b98f}
.video-card .v-thumb{position:relative;aspect-ratio:16/9;background:#f6ecdd}
.video-card .v-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.video-card .v-dur{position:absolute;right:8px;bottom:8px;background:rgba(20,16,12,.78);color:#fff;font-size:12px;padding:2px 7px;border-radius:6px}
.video-card .v-body{padding:12px 14px 14px}
.video-card .v-title{font-size:14.5px;font-weight:700;line-height:1.5;margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:44px}
.video-card .v-meta{font-size:12.5px;color:var(--ink3);margin:0}
.video-feature{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:22px;margin-bottom:14px}
.video-feature h3{margin:0 0 4px;font-size:18px}
.video-feature .vf-meta{font-size:13px;color:var(--ink3);margin:0 0 14px}
.video-feature .video-embed{margin:0}
.video-all-link{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;background:linear-gradient(135deg,#fdf3e6,#fae8d8);border:1px solid #ecd3ae;border-radius:16px;padding:20px 24px;margin:26px 0}
.video-all-link p{margin:0;font-size:15px}
@media(max-width:960px){.video-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.video-grid{grid-template-columns:1fr}}