:root{
  --bg-main:#fffde6;--bg-sub:#fdf8cf;--bg-card:#fffffb;--bg-deep:#fcf5c2;
  --accent:#a97a06;--accent-dark:#7a5804;--accent-light:#e6ad00;--pink:#d9a217;--gold:#e6ad00;
  --text-primary:#3a2e0a;--text-secondary:#6c5a22;--border-color:#f0e3a8;--border-strong:#e6d488;
  --shadow-s:0 4px 14px rgba(169,122,6,.08);--shadow-m:0 10px 26px rgba(169,122,6,.12);--shadow-l:0 18px 46px rgba(169,122,6,.16);
  --max-w:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;background:var(--bg-main);color:var(--text-primary);font-size:15px;line-height:1.7;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.container{width:min(calc(100% - 40px),var(--max-w));margin:0 auto}
section{padding:64px 0;scroll-margin-top:96px}
.sec-alt{background:var(--bg-sub)}

/* nav */
.site-header{position:sticky;top:0;z-index:100;height:68px;background:rgba(255,253,230,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--border-color);box-shadow:var(--shadow-s);display:flex;align-items:center}
.nav-inner{width:min(calc(100% - 40px),var(--max-w));margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-size:24px;font-weight:800;color:var(--accent-dark)}
.brand img{width:42px;height:42px;border-radius:12px;object-fit:cover;border:1px solid var(--border-strong)}
.nav-links{display:flex;gap:4px;list-style:none;flex-wrap:nowrap}
.nav-links a{display:block;padding:8px 12px;border-radius:999px;font-size:14px;font-weight:700;color:var(--text-secondary);transition:.25s}
.nav-links a:hover{color:var(--accent-dark);background:var(--bg-deep)}
.nav-links a.is-current{background:linear-gradient(135deg,var(--accent),var(--pink));color:#fff;box-shadow:var(--shadow-s)}

/* hero */
.hero{position:relative;background:linear-gradient(150deg,#5c4204,#8a6505 55%,#b8860b);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 78% 30%,rgba(230,173,0,.55),transparent 60%),linear-gradient(100deg,rgba(58,46,10,.92) 0%,rgba(58,46,10,.55) 45%,rgba(58,46,10,0) 75%);pointer-events:none}
.hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:48px;align-items:center;padding:72px 0}
.hero-badge{display:inline-block;padding:5px 14px;border:1px solid rgba(255,253,230,.5);border-radius:999px;color:#fffde6;font-size:12px;letter-spacing:1px;margin-bottom:20px}
.hero h1{font-size:52px;line-height:1.2;font-weight:900;letter-spacing:2px;color:#fffde6;margin-bottom:16px}
.hero h1 em{font-style:normal;color:var(--accent-light);display:block}
.hero-sub{color:#fdf8cf;font-size:16px;font-weight:700;letter-spacing:1px;margin-bottom:16px}
.hero-desc{color:rgba(255,253,230,.82);font-size:15px;max-width:520px;margin-bottom:28px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn-main{display:inline-block;padding:13px 28px;border-radius:999px;background:linear-gradient(135deg,#fde68a,var(--accent-light));color:var(--accent-dark);font-weight:800;font-size:15px;box-shadow:0 8px 24px rgba(230,173,0,.4);transition:.25s}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(230,173,0,.55)}
.btn-ghost{display:inline-block;padding:12px 26px;border-radius:999px;border:1px solid rgba(255,253,230,.6);color:#fffde6;font-weight:700;font-size:15px;transition:.25s}
.btn-ghost:hover{background:rgba(255,253,230,.15)}
.hero-slider{position:relative;height:420px}
.hero-slide{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transform:translateY(14px) scale(.97);transition:.8s}
.hero-slide.is-active{opacity:1;transform:translateY(0) scale(1)}
.hero-slide img{width:300px;aspect-ratio:3/4;object-fit:cover;border-radius:18px;border:1px solid rgba(255,253,230,.4);box-shadow:0 24px 60px rgba(20,14,0,.55)}
.hero-mobile-posters{display:none}

/* section title */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px;flex-wrap:wrap}
.sec-head-left{display:flex;align-items:flex-end;gap:14px}
.sec-bar{width:8px;height:34px;border-radius:4px;background:linear-gradient(180deg,var(--accent),var(--accent-light));flex:0 0 auto}
.sec-head h2{font-size:32px;font-weight:800;color:var(--accent-dark);line-height:1.2}
.sec-head small{font-size:13px;color:var(--text-secondary);font-weight:500;padding-bottom:4px}
.sec-more{font-size:13px;font-weight:700;color:var(--accent);white-space:nowrap}
.sec-more:hover{color:var(--accent-dark)}

/* drama grid */
.drama-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.drama-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-s);transition:.28s}
.drama-card:hover{transform:translateY(-3px);border-color:var(--border-strong);box-shadow:var(--shadow-m)}
.poster-wrap{position:relative;aspect-ratio:3/4;overflow:hidden}
.poster-wrap img{width:100%;height:100%;object-fit:cover;transition:.4s}
.drama-card:hover .poster-wrap img{transform:scale(1.04)}
.tag{position:absolute;top:10px;left:10px;padding:3px 10px;border-radius:999px;background:rgba(58,46,10,.72);color:#fffde6;font-size:11px;font-weight:700;backdrop-filter:blur(4px)}
.drama-info{padding:14px 14px 16px}
.drama-info h3{font-size:15px;font-weight:700;margin-bottom:6px;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.drama-info p{font-size:12.5px;color:var(--text-secondary);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* hot asymmetric */
.hot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;grid-template-rows:repeat(2,1fr);gap:22px}
.hot-card{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--border-color);box-shadow:var(--shadow-s);transition:.28s;min-height:220px}
.hot-card:hover{transform:translateY(-3px);border-color:var(--border-strong);box-shadow:var(--shadow-m)}
.hot-card.big{grid-row:span 2;grid-column:1}
.hot-card.last{grid-column:2 / -1}
.hot-card img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.hot-mask{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:20px;background:linear-gradient(180deg,transparent 40%,rgba(58,46,10,.88))}
.hot-mask h3{color:#fffde6;font-size:18px;font-weight:800;margin-bottom:4px}
.hot-card.big .hot-mask h3{font-size:24px}
.hot-mask p{color:rgba(255,253,230,.82);font-size:12.5px}

/* ai scroll */
.ai-scroll{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:16px}
.ai-scroll::-webkit-scrollbar{height:6px}
.ai-scroll::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}
.ai-card{flex:0 0 220px;scroll-snap-align:start;background:var(--bg-card);border:1px solid var(--border-color);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-s);transition:.28s}
.ai-card:hover{transform:translateY(-3px);border-color:var(--border-strong)}
.ai-card img{width:100%;aspect-ratio:3/4;object-fit:cover}
.ai-card div{padding:12px 14px 16px}
.ai-card h3{font-size:15px;font-weight:700;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ai-card p{font-size:12px;color:var(--text-secondary)}
.scroll-tip{text-align:center;font-size:13px;color:var(--text-secondary);margin-top:8px;font-weight:700}

/* rank */
.rank-list{display:flex;flex-direction:column;gap:12px}
.rank-row{display:flex;align-items:center;gap:16px;padding:13px 18px;border:1px solid var(--border-color);border-radius:14px;background:var(--bg-card);box-shadow:var(--shadow-s);transition:.25s}
.rank-row:hover{transform:translateY(-2px);border-color:var(--border-strong)}
.rank-no{width:40px;height:40px;flex:0 0 40px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;background:var(--bg-deep);color:var(--accent-dark)}
.rank-row:nth-child(-n+3) .rank-no{background:linear-gradient(135deg,var(--accent),var(--accent-light));color:#fff}
.rank-main{flex:1;min-width:0}
.rank-main h3{font-size:15px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-main p{font-size:12px;color:var(--text-secondary)}
.rank-heat{display:flex;align-items:center;gap:10px}
.heat-num{font-size:14px;font-weight:800;color:var(--accent)}
.pill{padding:2px 9px;border-radius:999px;font-size:11px;font-weight:700;white-space:nowrap}
.pill-up{background:#e8f6e2;color:#3d7a2a}
.pill-down{background:#fbe6e6;color:#a63232}
.pill-flat{background:#efefef;color:#777}

/* wish */
.wish-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:32px;align-items:start}
.rule-list{display:flex;flex-direction:column;gap:14px}
.rule-card{display:flex;gap:14px;padding:16px 18px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;box-shadow:var(--shadow-s)}
.rule-no{width:34px;height:34px;flex:0 0 34px;border-radius:11px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--accent),var(--accent-light));color:#fff;font-weight:800;font-size:13px}
.rule-card h3{font-size:15px;font-weight:700;margin-bottom:2px}
.rule-card p{font-size:14px;line-height:1.8;color:var(--text-secondary)}
.board{position:sticky;top:96px;background:linear-gradient(160deg,var(--bg-deep),var(--bg-card));border:1px solid var(--border-strong);border-radius:18px;padding:22px;box-shadow:var(--shadow-l)}
.board h3{font-size:20px;font-weight:800;color:var(--accent-dark);margin-bottom:4px}
.board .board-sub{font-size:12px;color:var(--text-secondary);margin-bottom:16px}
.board-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px dashed var(--border-strong)}
.board-row:last-of-type{border-bottom:none}
.board-idx{width:22px;height:22px;flex:0 0 22px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;background:var(--bg-card);color:var(--accent-dark);border:1px solid var(--border-strong)}
.board-row:nth-of-type(-n+3) .board-idx{background:linear-gradient(135deg,var(--accent),var(--accent-light));color:#fff;border-color:transparent}
.board-name{flex:1;min-width:0;font-size:14px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.board-vote{font-size:13px;font-weight:800;color:var(--accent)}
.board-note{margin-top:14px;font-size:12px;color:var(--text-secondary);border-top:1px solid var(--border-strong);padding-top:12px}

/* news */
.news-list{display:flex;flex-direction:column;gap:14px}
.news-row{display:flex;align-items:flex-start;gap:18px;padding:16px 20px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;box-shadow:var(--shadow-s);transition:.25s}
.news-row:hover{transform:translateY(-2px);border-color:var(--border-strong)}
.news-date{flex:0 0 auto;padding:5px 12px;border-radius:12px;background:var(--bg-deep);color:var(--accent);font-size:12px;font-weight:700}
.news-body h3{font-size:15px;font-weight:700;margin-bottom:2px}
.news-body p{font-size:14px;line-height:1.8;color:var(--text-secondary)}

/* app showcase */
.app-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.phones{display:flex;gap:9px;justify-content:center}
.phone{background:var(--bg-card);border:5px solid var(--border-strong);border-radius:22px;padding:4px;box-shadow:var(--shadow-m);flex:1;max-width:150px}
.phone img{width:100%;aspect-ratio:9/16;object-fit:cover;border-radius:14px}
.app-text h2{font-size:32px;font-weight:800;color:var(--accent-dark);margin-bottom:16px;line-height:1.3}
.app-text h2 em{font-style:normal;color:var(--accent-light)}
.app-text p{color:var(--text-secondary);margin-bottom:22px}
.feat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.feat{display:flex;align-items:center;gap:9px;padding:10px 14px;border-radius:999px;background:var(--bg-deep);border:1px solid var(--border-color);font-size:13px;font-weight:700;color:var(--text-primary)}
.feat::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 6px}

/* download banner */
.download-banner{position:relative;width:100%;border-radius:0;padding:48px 24px 44px;background:linear-gradient(135deg,#5c4204,#8a6505 50%,#b8860b);overflow:hidden;color:#fffde6}
.download-banner::before,.download-banner::after{content:"";position:absolute;top:-40%;width:20%;height:190%;transform:skewX(-16deg);pointer-events:none;z-index:1;background:linear-gradient(90deg,transparent,rgba(255,255,255,.52),transparent);animation:shine 4.2s linear infinite}
.download-banner::after{width:11%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.30),transparent);animation-delay:1.15s}
@keyframes shine{0%{left:-40%}100%{left:130%}}
.db-inner{position:relative;z-index:2;width:min(calc(100% - 40px),var(--max-w));margin:0 auto;text-align:center}
.db-head{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:26px;flex-wrap:wrap}
.db-head img{width:68px;height:68px;border-radius:18px;border:1px solid rgba(255,253,230,.35);object-fit:cover}
.db-head-txt{text-align:left}
.db-head-txt strong{display:block;font-size:22px;font-weight:800;color:#fffde6}
.db-head-txt span{font-size:12.5px;color:rgba(255,253,230,.78)}
.db-btns{display:flex;gap:14px;justify-content:center;flex-wrap:nowrap;margin-bottom:20px}
.db-btn{flex:1 1 0;max-width:240px;padding:13px 10px;border-radius:14px;background:rgba(255,253,230,.14);border:1px solid rgba(255,253,230,.55);color:#fffde6;font-weight:800;font-size:15px;transition:.25s;white-space:nowrap}
.db-btn:hover{background:rgba(255,253,230,.28);transform:translateY(-2px)}
.db-tip{font-size:12px;color:rgba(255,253,230,.82)}
.db-tip a{color:var(--accent-light);font-weight:700;text-decoration:underline}

/* install */
.install-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.install-box{background:var(--bg-card);border:1px solid var(--border-color);border-radius:18px;padding:22px;box-shadow:var(--shadow-s)}
.install-box h3{font-size:18px;font-weight:800;color:var(--accent-dark);margin-bottom:14px}
.ver-table{display:grid;grid-template-columns:1fr 1fr;gap:8px 14px;font-size:13.5px}
.ver-table dt{color:var(--text-secondary);font-weight:700}
.ver-table dd{color:var(--text-primary);font-weight:700;word-break:break-all}
.step-list{display:flex;flex-direction:column;gap:12px}
.step{display:flex;gap:12px;align-items:flex-start}
.step-num{width:26px;height:26px;flex:0 0 26px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-light));color:#fff;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center}
.step h4{font-size:14px;font-weight:700}
.step p{font-size:13px;color:var(--text-secondary)}
.check-list{display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:var(--text-secondary)}
.check-list li{list-style:none;display:flex;gap:8px}
.check-list li::before{content:"✓";color:var(--accent);font-weight:800}

/* cert */
.cert-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.cert-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:18px;padding:18px;box-shadow:var(--shadow-s);position:relative}
.cert-inner{border:1px dashed var(--border-strong);border-radius:13px;padding:18px;position:relative;min-height:190px}
.cert-inner h3{font-size:17px;font-weight:800;color:var(--accent-dark);margin-bottom:12px}
.cert-row{display:flex;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--text-secondary);padding:3px 0}
.cert-row b{color:var(--text-primary);font-weight:700;text-align:right}
.cert-seal{position:absolute;right:14px;bottom:14px;width:64px;height:64px;border:2px dashed #c0392b;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#c0392b;font-size:10px;font-weight:800;transform:rotate(-12deg);background:rgba(192,57,43,.04)}
.cert-seal span:first-child{font-size:18px}
.cert-foot{margin-top:14px;font-size:12.5px;color:var(--text-secondary)}
.cert-ok{color:#3d7a2a;font-weight:700}

/* faq */
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-card{padding:18px 20px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;box-shadow:var(--shadow-s)}
.faq-q{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.faq-tag{flex:0 0 auto;padding:3px 10px;border-radius:999px;background:linear-gradient(135deg,var(--accent),var(--accent-light));color:#fff;font-size:11px;font-weight:800}
.faq-q h3{font-size:15px;font-weight:700}
.faq-a{font-size:14px;line-height:1.85;color:var(--text-secondary);padding-left:0}

/* about */
.about-grid{display:grid;grid-template-columns:0.8fr 1.2fr;gap:60px;align-items:center}
.about-img img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:18px;box-shadow:var(--shadow-l);border:1px solid var(--border-strong)}
.about-text h2{font-size:32px;font-weight:800;color:var(--accent-dark);margin-bottom:18px}
.about-text p{color:var(--text-secondary);margin-bottom:14px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag-pill{padding:6px 14px;border-radius:999px;background:var(--bg-deep);border:1px solid var(--border-strong);font-size:13px;font-weight:700;color:var(--accent-dark)}

/* footer */
.site-footer{background:var(--bg-sub);border-top:1px solid var(--border-color);padding:56px 0 26px;margin-top:22px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--accent-dark);margin-bottom:12px}
.footer-brand img{width:36px;height:36px;border-radius:10px;border:1px solid var(--border-strong)}
.footer-col p{font-size:13px;color:var(--text-secondary);line-height:1.8}
.footer-col h3{font-size:15px;font-weight:800;color:var(--accent-dark);margin-bottom:14px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.footer-col a{font-size:13.5px;color:var(--text-secondary)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid var(--border-strong);margin-top:36px;padding-top:20px;text-align:center;font-size:12.5px;color:var(--text-secondary)}
.footer-bottom time{font-size:12px;color:var(--text-secondary)}

/* floating */
.to-top{position:fixed;right:22px;bottom:112px;width:46px;height:46px;border-radius:50%;background:var(--bg-card);border:1px solid var(--border-strong);box-shadow:var(--shadow-m);display:flex;align-items:center;justify-content:center;color:var(--accent-dark);font-weight:800;z-index:90;opacity:0;pointer-events:none;transition:.3s}
.to-top.is-show{opacity:1;pointer-events:auto}
.float-video{position:fixed;right:22px;bottom:26px;width:76px;height:76px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#ff7a6b,#c0392b);color:#fff;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;text-align:center;border:none;cursor:pointer;z-index:90;box-shadow:0 0 0 0 rgba(192,57,43,.5);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(192,57,43,.5)}70%{box-shadow:0 0 0 18px rgba(192,57,43,0)}100%{box-shadow:0 0 0 0 rgba(192,57,43,0)}}
.modal-mask{position:fixed;inset:0;background:rgba(58,46,10,.55);z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.modal-mask.is-open{display:flex}
.modal-box{background:var(--bg-card);border-radius:18px;padding:24px;width:min(420px,100%);box-shadow:var(--shadow-l);border:1px solid var(--border-strong)}
.modal-box h3{font-size:18px;font-weight:800;color:var(--accent-dark);margin-bottom:12px}
.modal-box p{font-size:13.5px;color:var(--text-secondary);margin-bottom:14px}
.modal-input{width:100%;padding:10px 12px;border:1px solid var(--border-strong);border-radius:12px;font-size:13px;color:var(--text-primary);background:var(--bg-main);margin-bottom:12px}
.modal-btn{width:100%;padding:11px;border-radius:12px;border:none;background:linear-gradient(135deg,var(--accent),var(--accent-light));color:#fff;font-weight:800;font-size:14px;cursor:pointer}
.modal-tip{font-size:12px;color:var(--accent);margin-top:10px;text-align:center;min-height:16px}

/* responsive */
@media(max-width:1100px){
  .drama-grid{grid-template-columns:repeat(2,1fr)}
  .nav-links a{padding:7px 8px;font-size:13px}
  .app-grid{gap:35px}
}
@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr;text-align:center;padding:56px 0}
  .hero-desc{margin:0 auto 28px}
  .hero-btns{justify-content:center}
  .hero-slider{display:none}
  .hero-mobile-posters{display:flex;justify-content:center;gap:9px;margin-top:32px}
  .hero-mobile-posters img{width:118px;aspect-ratio:3/4;object-fit:cover;border-radius:12px;border:1px solid rgba(255,253,230,.4);box-shadow:var(--shadow-m)}
  .wish-grid{grid-template-columns:1fr}
  .board{position:static}
  .about-grid{grid-template-columns:1fr;gap:32px}
  .about-img{max-width:320px;margin:0 auto}
}
@media(max-width:800px){
  html{scroll-padding-top:78px}
  section{scroll-margin-top:78px;padding:46px 0}
  .nav-links{display:none}
  .site-header{height:60px}
  .brand{font-size:20px}
  .brand img{width:34px;height:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .hero h1{font-size:38px}
}
@media(max-width:700px){
  .hot-grid{grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .hot-card.big{grid-column:1 / -1;grid-row:auto;min-height:260px}
  .hot-card.last{grid-column:auto}
  .install-grid{grid-template-columns:1fr}
  .cert-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  .container{width:calc(100% - 28px)}
  section{padding:46px 0}
  .hero h1{font-size:31px}
  .sec-head h2{font-size:26px}
  .drama-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .app-grid{grid-template-columns:1fr;gap:30px}
  .phones{gap:6px}
  .phone{border-width:3px;border-radius:16px}
  .feat-grid{grid-template-columns:1fr}
  .db-btns{gap:8px}
  .db-btn{font-size:12px;padding:11px 4px;flex:1 1 0;max-width:none}
  .db-head img{width:56px;height:56px}
  .db-head-txt strong{font-size:18px}
  .about-text h2{font-size:26px}
  .board{padding:16px}
  .to-top{right:14px;bottom:100px;width:40px;height:40px}
  .float-video{right:14px;bottom:20px;width:64px;height:64px;font-size:12px}
  .news-row{flex-direction:column;gap:8px}
}
@media(max-width:400px){
  .hero h1{font-size:28px;letter-spacing:1px}
  .nav-links{display:none}
}