/* ============================================
   西安直播服务 · 主题样式 v2
   陕西艺景网络科技有限公司
   ============================================ */

:root{
  --bg:#06070A; --bg2:#0B0E14; --card:#0E1119; --line:rgba(255,255,255,.08);
  --txt:#E9ECF2; --dim:#8B93A7; --cyan:#00D4FF; --orange:#FF5B2E;
  --grad:linear-gradient(120deg,#00D4FF 0%,#4D7CFF 45%,#FF5B2E 100%);
  --r:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--txt);
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border:0}
ul,ol{list-style:none}
.wrap{width:min(1200px,92vw);margin:0 auto}
.grad-txt{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.tac{text-align:center}

/* ============ 导航 ============ */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:.35s;
  background:rgba(6,7,10,.55);backdrop-filter:blur(16px);border-bottom:1px solid transparent}
.nav.solid{background:rgba(6,7,10,.94);border-bottom-color:var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:.5px}
.logo-mark{width:30px;height:30px;border-radius:9px;background:var(--grad);position:relative;overflow:hidden;flex:none}
.logo-mark::after{content:"";position:absolute;inset:3px;border-radius:7px;background:var(--bg)}
.logo-mark::before{content:"";position:absolute;width:4px;height:12px;left:11px;top:9px;background:var(--cyan);border-radius:2px;box-shadow:8px 0 0 var(--orange)}
.menu{display:flex;gap:28px;font-size:14.5px;color:var(--dim);align-items:center}
.menu>li{position:relative}
.menu>li>a{display:block;padding:6px 0;position:relative;transition:.25s}
.menu>li>a:hover,.menu>li.cur>a{color:#fff}
.menu>li>a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--grad);transition:.3s;border-radius:2px}
.menu>li>a:hover::after,.menu>li.cur>a::after{width:100%}
.sub{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);min-width:168px;
  background:#0F131C;border:1px solid var(--line);border-radius:12px;padding:8px;opacity:0;visibility:hidden;transition:.28s;
  box-shadow:0 18px 44px rgba(0,0,0,.6)}
.menu>li:hover .sub{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.sub a{display:block;padding:9px 14px;border-radius:8px;font-size:13.5px;color:var(--dim);transition:.2s;white-space:nowrap}
.sub a:hover{background:rgba(0,212,255,.08);color:#fff}
.nav-tel{display:flex;align-items:center;gap:8px;font-weight:700;font-size:15px;
  padding:9px 18px;border-radius:999px;border:1px solid var(--line);transition:.3s;white-space:nowrap}
.nav-tel:hover{border-color:var(--cyan);box-shadow:0 0 24px rgba(0,212,255,.22)}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--orange);box-shadow:0 0 10px var(--orange);animation:pulse 1.6s infinite;flex:none}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.75)}}
.m-nav-btn{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:none;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.m-nav-btn i{display:block;width:18px;height:2px;background:var(--txt);border-radius:2px;transition:.3s}
.m-nav-btn.on i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.m-nav-btn.on i:nth-child(2){opacity:0}
.m-nav-btn.on i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ Hero ============ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:120px 0 80px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.grid-bg{position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;-webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,#000 30%,transparent 75%);
  mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,#000 30%,transparent 75%)}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}
.blob-1{width:520px;height:520px;background:rgba(0,212,255,.34);top:-140px;right:-100px;animation:float1 16s ease-in-out infinite}
.blob-2{width:460px;height:460px;background:rgba(255,91,46,.24);bottom:-160px;left:-120px;animation:float2 20s ease-in-out infinite}
.blob-3{width:320px;height:320px;background:rgba(77,124,255,.28);top:35%;left:42%;animation:float1 24s ease-in-out infinite reverse}
@keyframes float1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-40px,50px) scale(1.12)}}
@keyframes float2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(50px,-40px) scale(1.08)}}
.hero-in{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;
  border:1px solid rgba(0,212,255,.32);background:rgba(0,212,255,.07);font-size:13px;color:#9BE8FF;margin-bottom:26px}
.hero h1{font-size:clamp(34px,4.4vw,60px);line-height:1.15;letter-spacing:-1px;font-weight:900;margin-bottom:22px}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;color:var(--dim);max-width:560px;margin-bottom:34px}
.hero-sub b{color:#fff;font-weight:600}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:52px}
.btn{display:inline-flex;align-items:center;gap:9px;padding:15px 30px;border-radius:12px;font-weight:700;
  font-size:15.5px;transition:.3s;border:1px solid transparent;cursor:pointer;font-family:inherit}
.btn-main{background:var(--grad);color:#04060A;box-shadow:0 10px 34px rgba(0,212,255,.26)}
.btn-main:hover{transform:translateY(-3px);box-shadow:0 16px 44px rgba(0,212,255,.4)}
.btn-ghost{border-color:var(--line);color:var(--txt);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.06)}
.stats{display:flex;gap:44px;flex-wrap:wrap}
.stat-num{font-size:34px;font-weight:900;letter-spacing:-1px;line-height:1}
.stat-num span{font-size:17px;font-weight:700;color:var(--dim);margin-left:2px}
.stat-lb{font-size:13px;color:var(--dim);margin-top:7px}
.player{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(150deg,#101522,#080A10);box-shadow:0 40px 90px rgba(0,0,0,.6);aspect-ratio:16/10;display:flex;align-items:center;justify-content:center}
.player-glow{position:absolute;inset:-40%;background:conic-gradient(from 0deg,transparent,rgba(0,212,255,.16),transparent 40%);animation:spin 9s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.player-core{position:relative;z-index:2;text-align:center}
.rec{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:2px;color:#FF8A6B;
  padding:6px 14px;border-radius:999px;background:rgba(255,91,46,.12);border:1px solid rgba(255,91,46,.3);margin-bottom:18px}
.rec i{width:6px;height:6px;border-radius:50%;background:var(--orange);animation:pulse 1.2s infinite}
.play-ring{width:88px;height:88px;margin:0 auto;border-radius:50%;border:1px solid rgba(0,212,255,.4);
  display:flex;align-items:center;justify-content:center;position:relative}
.play-ring::before{content:"";position:absolute;inset:-14px;border-radius:50%;border:1px solid rgba(0,212,255,.14);animation:ripple 2.6s ease-out infinite}
@keyframes ripple{0%{transform:scale(.85);opacity:.9}100%{transform:scale(1.35);opacity:0}}
.play-tri{width:0;height:0;border-left:20px solid var(--cyan);border-top:13px solid transparent;border-bottom:13px solid transparent;margin-left:7px;filter:drop-shadow(0 0 12px rgba(0,212,255,.7))}
.player-cap{position:absolute;bottom:0;left:0;right:0;padding:18px 22px;display:flex;justify-content:space-between;align-items:center;
  background:linear-gradient(transparent,rgba(0,0,0,.75));font-size:13px;color:var(--dim);z-index:3}
.player-cap b{color:#fff;font-weight:600}

/* ============ Section ============ */
section{padding:110px 0;position:relative}
.sec-head{max-width:720px;margin-bottom:58px}
.sec-tag{font-size:13px;letter-spacing:3px;color:var(--cyan);font-weight:700;margin-bottom:14px;text-transform:uppercase}
.sec-head h2{font-size:clamp(27px,3.2vw,42px);font-weight:900;line-height:1.24;letter-spacing:-.5px;margin-bottom:16px}
.sec-head p{color:var(--dim);font-size:16px}

/* 服务卡 */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc{position:relative;padding:32px 28px;border-radius:var(--r);background:var(--card);
  border:1px solid var(--line);overflow:hidden;transition:.4s;display:block}
.svc::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:.45s}
.svc:hover{transform:translateY(-6px);border-color:rgba(0,212,255,.3);box-shadow:0 24px 60px rgba(0,0,0,.5)}
.svc:hover::before{transform:scaleX(1)}
.svc-ico{width:48px;height:48px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:rgba(0,212,255,.08);border:1px solid rgba(0,212,255,.18);margin-bottom:20px}
.svc-ico svg{width:23px;height:23px;stroke:var(--cyan);fill:none;stroke-width:1.7}
.svc h3{font-size:19px;font-weight:800;margin-bottom:11px}
.svc p{font-size:14.5px;color:var(--dim);margin-bottom:18px}
.svc ul{font-size:13.5px;color:#A9B2C6}
.svc li{padding-left:16px;position:relative;margin-bottom:7px}
.svc li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--cyan);opacity:.75}

/* 优势 */
.adv{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.adv-item{padding:26px 22px;border-radius:14px;background:var(--bg2);border:1px solid var(--line);transition:.35s}
.adv-item:hover{background:#111620;border-color:rgba(255,91,46,.28)}
.adv-n{font-size:13px;font-weight:800;color:var(--orange);letter-spacing:2px;margin-bottom:12px}
.adv-item h4{font-size:16.5px;font-weight:800;margin-bottom:9px}
.adv-item p{font-size:13.5px;color:var(--dim)}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(5,1fr);margin-top:20px}
.flow-step{position:relative;padding:0 18px;text-align:center}
.flow-step::before{content:"";position:absolute;top:26px;left:50%;right:-50%;height:1px;background:linear-gradient(90deg,rgba(0,212,255,.4),rgba(0,212,255,.06))}
.flow-step:last-child::before{display:none}
.flow-dot{width:52px;height:52px;margin:0 auto 20px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:17px;background:var(--bg2);border:1px solid rgba(0,212,255,.3);color:var(--cyan);position:relative;z-index:2}
.flow-step h4{font-size:15.5px;margin-bottom:8px}
.flow-step p{font-size:13px;color:var(--dim)}

/* 案例 */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:var(--card);transition:.4s;display:block}
.case:hover{transform:translateY(-6px);border-color:rgba(255,255,255,.2);box-shadow:0 24px 60px rgba(0,0,0,.55)}
.case-img{aspect-ratio:16/10;position:relative;display:flex;align-items:flex-end;padding:18px;overflow:hidden;background-size:cover;background-position:center}
.c1{background:linear-gradient(135deg,#0B2A3E,#123A52 60%,#1D5A78)}
.c2{background:linear-gradient(135deg,#2A1206,#4A2210 60%,#7A3A18)}
.c3{background:linear-gradient(135deg,#0D1B36,#16295A 60%,#2A458C)}
.case-img::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 20%,rgba(255,255,255,.16),transparent 55%)}
.case-tag{position:relative;z-index:2;font-size:12px;padding:5px 12px;border-radius:999px;background:rgba(0,0,0,.45);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(6px)}
.case-body{padding:22px}
.case-body h4{font-size:16.5px;margin-bottom:9px}
.case-body p{font-size:13.5px;color:var(--dim)}
.case-meta{display:flex;gap:16px;margin-top:14px;font-size:12.5px;color:#6E7689}

/* 场景标签 */
.tags{display:flex;flex-wrap:wrap;gap:12px}
.tag{padding:11px 21px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.02);font-size:14px;color:#B4BCCE;transition:.3s}
.tag:hover{border-color:var(--cyan);color:#fff;background:rgba(0,212,255,.07);transform:translateY(-2px)}

/* FAQ */
.faq{max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;background:none;border:none;color:var(--txt);font-size:16.5px;font-weight:700;text-align:left;
  padding:24px 44px 24px 0;cursor:pointer;position:relative;font-family:inherit;line-height:1.5}
.faq-q::after{content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);font-size:24px;font-weight:300;color:var(--cyan);transition:.3s}
.faq-item.open .faq-q::after{content:"−"}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;color:var(--dim);font-size:14.8px}
.faq-item.open .faq-a{max-height:400px}
.faq-a-in{padding:0 44px 24px 0}

/* CTA */
.cta-box{position:relative;border-radius:26px;padding:70px 56px;overflow:hidden;
  background:linear-gradient(135deg,#0C1420,#101927 55%,#1A1018);border:1px solid var(--line);text-align:center}
.cta-box::before{content:"";position:absolute;width:600px;height:600px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,212,255,.16),transparent 65%);top:-300px;left:50%;transform:translateX(-50%)}
.cta-box h2{position:relative;font-size:clamp(26px,3vw,38px);font-weight:900;margin-bottom:16px}
.cta-box p{position:relative;color:var(--dim);margin-bottom:34px;font-size:16px}
.cta-box .btn{position:relative}

/* ============ 页脚 ============ */
footer{border-top:1px solid var(--line);padding:64px 0 34px;background:var(--bg2)}
.f-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;margin-bottom:48px}
.f-brand p{color:var(--dim);font-size:13.5px;margin-top:16px;max-width:300px}
.f-col h5{font-size:14px;font-weight:800;margin-bottom:18px;letter-spacing:.5px}
.f-col a{display:block;color:var(--dim);font-size:13.5px;margin-bottom:11px;transition:.25s}
.f-col a:hover{color:var(--cyan);transform:translateX(3px)}
.f-contact>div{display:flex;gap:10px;color:var(--dim);font-size:13.5px;margin-bottom:13px;align-items:flex-start}
.f-tel{font-size:22px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:.5px}
.f-links{display:flex;flex-wrap:wrap;gap:8px 18px;padding:22px 0;border-top:1px solid var(--line);font-size:12.5px}
.f-links span{color:#5D6577}
.f-links a{color:#6E7689}
.f-links a:hover{color:var(--cyan)}
.f-bot{border-top:1px solid var(--line);padding-top:26px;display:flex;justify-content:space-between;gap:20px;
  color:#5D6577;font-size:12.5px;flex-wrap:wrap}
.f-bot a{color:#5D6577}
.f-bot a:hover{color:var(--dim)}

/* ============ 内页通用 ============ */
.page-head{padding:150px 0 60px;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-head .grid-bg{opacity:.6}
.page-head .blob{opacity:.35}
.ph-in{position:relative;z-index:2}
.page-head h1{font-size:clamp(28px,3.6vw,44px);font-weight:900;letter-spacing:-.5px;margin-bottom:14px}
.page-head p{color:var(--dim);font-size:15.5px;max-width:680px}
.crumb{display:flex;gap:10px;font-size:13px;color:#6E7689;margin-bottom:18px;flex-wrap:wrap;align-items:center}
.crumb a{color:#8B93A7}
.crumb a:hover{color:var(--cyan)}

.banner-img{width:100%;max-height:340px;object-fit:cover;display:block}

/* 列表页 */
.list-layout{display:grid;grid-template-columns:1fr 320px;gap:48px;padding:70px 0 100px;align-items:start}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{border-radius:16px;border:1px solid var(--line);background:var(--card);overflow:hidden;transition:.35s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-5px);border-color:rgba(0,212,255,.28);box-shadow:0 20px 50px rgba(0,0,0,.5)}
.card-thumb{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#0B1120,#152036);position:relative}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:.5s}
.card:hover .card-thumb img{transform:scale(1.06)}
.card-thumb.noimg::after{content:"艺景影视";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.14);font-size:20px;font-weight:900;letter-spacing:4px}
.card-body{padding:22px;flex:1;display:flex;flex-direction:column}
.card-body h3{font-size:16.5px;font-weight:800;line-height:1.5;margin-bottom:10px}
.card:hover .card-body h3{color:var(--cyan)}
.card-body p{font-size:13.5px;color:var(--dim);flex:1;margin-bottom:14px}
.card-meta{display:flex;gap:14px;font-size:12.5px;color:#6E7689;margin-top:auto}

/* 横向列表（资讯） */
.news-list{display:flex;flex-direction:column;gap:18px}
.news-item{display:grid;grid-template-columns:220px 1fr;gap:24px;padding:20px;border-radius:14px;
  border:1px solid var(--line);background:var(--card);transition:.35s}
.news-item:hover{border-color:rgba(0,212,255,.28);transform:translateX(4px)}
.news-thumb{aspect-ratio:4/3;border-radius:10px;overflow:hidden;background:#131A26}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-info h3{font-size:17px;font-weight:800;margin-bottom:10px;line-height:1.5}
.news-info p{font-size:13.5px;color:var(--dim);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-date{font-size:12.5px;color:#6E7689;margin-top:12px;display:flex;gap:14px;align-items:center}

/* 分页 */
.pagebar{margin-top:44px}
.pagination{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.pagination a,.pagination span{padding:9px 15px;border-radius:9px;border:1px solid var(--line);
  font-size:13.5px;color:var(--dim);transition:.25s}
.pagination a:hover{border-color:var(--cyan);color:#fff;background:rgba(0,212,255,.07)}
.pagination .cur{background:var(--grad);color:#04060A;font-weight:700;border-color:transparent}

/* 文章正文 */
.article{max-width:860px}
.article-h1{font-size:clamp(24px,2.6vw,34px);font-weight:900;line-height:1.4;margin-bottom:18px}
.article-meta{display:flex;gap:20px;font-size:13px;color:#6E7689;padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:32px;flex-wrap:wrap}
.entry{font-size:15.5px;line-height:1.95;color:#C4CBD9}
.entry p{margin-bottom:18px}
.entry h2{font-size:22px;font-weight:800;color:#fff;margin:36px 0 16px;padding-left:14px;border-left:3px solid var(--cyan);
  line-height:1.4}
.entry h3{font-size:18px;font-weight:800;color:#fff;margin:28px 0 12px}
.entry h4{font-size:16px;font-weight:700;color:#fff;margin:22px 0 10px}
.entry img{border-radius:12px;margin:22px auto}
.entry ul,.entry ol{margin:0 0 18px 0;padding-left:22px}
.entry ul li{list-style:disc;margin-bottom:9px}
.entry ol li{list-style:decimal;margin-bottom:9px}
.entry a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.entry blockquote{border-left:3px solid var(--orange);background:rgba(255,91,46,.06);padding:16px 20px;border-radius:0 10px 10px 0;margin:22px 0;color:#D5DBE6}
.entry table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px}
.entry th,.entry td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.entry th{background:rgba(255,255,255,.04);font-weight:700;color:#fff}
.entry strong{color:#fff}
.entry hr{border:none;border-top:1px solid var(--line);margin:32px 0}

/* 侧栏 */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
.widget{border-radius:16px;border:1px solid var(--line);background:var(--card);padding:24px}
.widget h3{font-size:15px;font-weight:800;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--line);position:relative}
.widget h3::after{content:"";position:absolute;left:0;bottom:-1px;width:36px;height:2px;background:var(--grad)}
.submenu ul{display:flex;flex-direction:column;gap:2px}
.submenu a{display:block;padding:11px 14px;border-radius:9px;font-size:14px;color:var(--dim);transition:.25s;border-left:2px solid transparent}
.submenu a:hover{background:rgba(0,212,255,.07);color:#fff;border-left-color:var(--cyan);padding-left:18px}
.contact-box{text-align:center}
.contact-box .f-tel{display:block;margin-bottom:8px}
.contact-box p{font-size:12.5px;color:#6E7689;margin-bottom:16px}
.contact-box .btn{width:100%;justify-content:center;padding:12px 20px;font-size:14px}

/* 相关推荐 */
.related{margin-top:60px;padding-top:44px;border-top:1px solid var(--line)}
.related h3{font-size:19px;font-weight:800;margin-bottom:24px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related-grid .card-body p{display:none}

/* 搜索 */
.search-form{display:flex;gap:12px;max-width:560px;margin:0 auto 40px}
.search-form input{flex:1;padding:14px 18px;border-radius:12px;border:1px solid var(--line);background:var(--card);
  color:var(--txt);font-size:15px;font-family:inherit;outline:none;transition:.25s}
.search-form input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(0,212,255,.1)}
.search-form button{padding:14px 28px;border-radius:12px;border:none;background:var(--grad);color:#04060A;
  font-weight:700;font-size:15px;cursor:pointer;font-family:inherit}

/* 滚动动画 */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}*{animation:none!important;transition:none!important}}

/* ============ 响应式 ============ */
@media(max-width:1024px){
  .hero-in{grid-template-columns:1fr;gap:48px}
  .player{max-width:520px}
  .svc-grid,.case-grid,.cards{grid-template-columns:repeat(2,1fr)}
  .adv{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr);gap:34px 0}
  .flow-step::before{display:none}
  .f-top{grid-template-columns:1fr 1fr}
  .list-layout{grid-template-columns:1fr;gap:40px}
  .sidebar{position:static}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:820px){
  .menu{position:fixed;top:72px;left:0;right:0;background:#0A0D13;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:12px 5vw 24px;display:none;max-height:calc(100vh - 72px);overflow-y:auto}
  .menu.open{display:flex}
  .menu>li>a{padding:13px 0;border-bottom:1px solid rgba(255,255,255,.05)}
  .menu>li>a::after{display:none}
  .sub{position:static;transform:none;opacity:1;visibility:visible;background:none;border:none;
    box-shadow:none;padding:4px 0 8px 14px;min-width:0}
  .sub a{padding:9px 0;border-bottom:1px solid rgba(255,255,255,.03)}
  .m-nav-btn{display:flex}
  .nav-tel span:not(.dot-live){display:none}
  .nav-tel{padding:9px 13px;font-size:13px}
}
@media(max-width:680px){
  section{padding:72px 0}
  .svc-grid,.case-grid,.cards,.adv,.f-top,.related-grid{grid-template-columns:1fr}
  .hero h1{font-size:31px}
  .stats{gap:28px}
  .stat-num{font-size:27px}
  .cta-box{padding:48px 24px}
  .flow{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr;gap:14px}
  .news-thumb{aspect-ratio:16/9}
  .page-head{padding:120px 0 44px}
  .list-layout{padding:44px 0 70px}
  .article-meta{gap:12px}
}