/* ============ 壹拓星云·娱播站 V2 电波青年 — 共享样式 ============ */
:root{
  --paper:#fdfcf8;
  --ink:#101014;
  --pink:#ff2e63;
  --cyan:#08d9d6;
  --yellow:#ffd93d;
  --blue:#2b5bff;
  --disp:'Archivo Black','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --body:'Archivo','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --mono:'Space Mono','PingFang SC',monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--body);background:var(--paper);color:var(--ink);overflow-x:hidden;-webkit-font-smoothing:antialiased}
::selection{background:var(--yellow);color:var(--ink)}
h1,h2,h3{font-family:var(--disp);font-weight:900}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1280px;margin:0 auto;padding:0 32px}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.22em;text-transform:uppercase}
section{padding:110px 0;position:relative}
.reveal{opacity:0;transform:translateY(40px);transition:.8s cubic-bezier(.24,.12,.09,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- NAV ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:200;display:flex;align-items:center;justify-content:space-between;padding:0 32px;height:72px;background:rgba(253,252,248,.88);backdrop-filter:blur(16px);border-bottom:2px solid var(--ink)}
.nav-logo{font-family:var(--disp);font-size:19px;display:flex;align-items:center;gap:12px}
.nav-logo .sq{width:26px;height:26px;background:var(--pink);position:relative;flex-shrink:0}
.nav-logo .sq::after{content:'';position:absolute;inset:6px;background:var(--cyan);mix-blend-mode:multiply}
.nav-logo small{font-family:var(--mono);font-weight:400;font-size:10px;letter-spacing:.2em;color:#7a7a85}
.nav-links{display:flex;gap:2px}
.nav-links a{font-size:14px;font-weight:600;padding:10px 16px;position:relative;transition:.25s}
.nav-links a::after{content:'';position:absolute;left:16px;right:16px;bottom:4px;height:3px;background:var(--pink);transform:scaleX(0);transform-origin:left;transition:.3s}
.nav-links a:hover::after,.nav-links a.on::after{transform:scaleX(1)}
.nav-links a.on{font-weight:800}
.nav-cta{font-family:var(--mono);font-size:13px;font-weight:700;background:var(--ink);color:#fff;padding:13px 26px;transition:.25s;letter-spacing:.1em}
.nav-cta:hover{background:var(--pink)}
.burger{display:none;width:44px;height:44px;border:2px solid var(--ink);background:var(--paper);cursor:pointer;position:relative}
.burger i,.burger i::before,.burger i::after{content:'';position:absolute;left:10px;right:10px;height:2.5px;background:var(--ink);transition:.3s}
.burger i{top:50%;margin-top:-1px}
.burger i::before{top:-8px;left:0;right:0}
.burger i::after{top:8px;left:0;right:0}
body.menu-open .burger i{background:transparent}
body.menu-open .burger i::before{transform:translateY(8px) rotate(45deg)}
body.menu-open .burger i::after{transform:translateY(-8px) rotate(-45deg)}

/* ---------- HOME HERO ---------- */
.hero{min-height:100vh;padding:150px 0 0;display:flex;flex-direction:column;justify-content:center;overflow:hidden;position:relative}
.hero .wrap{width:100%}
.hero-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:3vw;flex-wrap:wrap;gap:14px}
.hero-top .mono{color:#7a7a85}
.live-flag{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.15em}
.live-flag i{width:10px;height:10px;background:var(--pink);border-radius:50%;animation:blink 1.2s infinite}
@keyframes blink{50%{opacity:.15}}
.hero h1{font-size:clamp(52px,10.5vw,150px);line-height:.95;letter-spacing:-.015em;text-transform:uppercase}
.hero h1 .out{color:transparent;-webkit-text-stroke:2.5px var(--ink)}
.hero h1 .fill-pink{color:var(--pink)}
.hero-rot{display:inline-block;position:relative;overflow:hidden;vertical-align:bottom;height:1em}
.hero-rot span{display:block;animation:rot 8s cubic-bezier(.7,0,.2,1) infinite}
.hero-rot span b{display:block;height:1em;font-weight:inherit}
@keyframes rot{0%,20%{transform:translateY(0)}25%,45%{transform:translateY(-1em)}50%,70%{transform:translateY(-2em)}75%,95%{transform:translateY(-3em)}100%{transform:translateY(-4em)}}
.hero-mid{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:4vw;align-items:end}
.hero-sub{font-size:16.5px;line-height:1.9;color:#55555f;max-width:480px}
.hero-ctas{display:flex;gap:0;justify-content:flex-end;flex-wrap:wrap}
.btn-a{font-family:var(--mono);font-weight:700;font-size:14px;letter-spacing:.08em;padding:20px 38px;background:var(--pink);color:#fff;transition:.25s;border:2px solid var(--ink);display:inline-block}
.btn-a:hover{background:var(--ink)}
.btn-b{font-family:var(--mono);font-weight:700;font-size:14px;letter-spacing:.08em;padding:20px 38px;background:transparent;color:var(--ink);border:2px solid var(--ink);border-left:none;transition:.25s;display:inline-block}
.btn-b:hover{background:var(--yellow)}
.hero-visual{margin-top:5vw;position:relative;height:340px;overflow:hidden;border-top:2px solid var(--ink);border-bottom:2px solid var(--ink)}
.bars{position:absolute;inset:0;display:flex;align-items:flex-end;gap:6px;padding:0 6px}
.bar{flex:1;background:var(--cyan);animation:eq 1.6s ease-in-out infinite;transform-origin:bottom;min-height:12%}
.bar:nth-child(3n){background:var(--pink)}
.bar:nth-child(4n){background:var(--yellow)}
.bar:nth-child(7n){background:var(--ink)}
@keyframes eq{0%,100%{transform:scaleY(.25)}50%{transform:scaleY(1)}}
.hero-visual .cap{position:absolute;top:20px;left:32px;z-index:2;font-family:var(--mono);font-size:12px;letter-spacing:.2em;background:var(--paper);padding:8px 16px;border:2px solid var(--ink)}
.hero-visual .cap2{position:absolute;bottom:20px;right:32px;z-index:2;font-family:var(--mono);font-size:12px;letter-spacing:.2em;background:var(--ink);color:#fff;padding:8px 16px}

/* ticker */
.ticker{background:var(--ink);color:#fff;overflow:hidden;padding:18px 0;border-bottom:2px solid var(--ink)}
.ticker-track{display:flex;width:max-content;animation:tick 22s linear infinite;font-family:var(--disp);font-size:20px;text-transform:uppercase;letter-spacing:.04em;white-space:nowrap}
.ticker-track span{padding-right:48px}
.ticker-track em{font-style:normal;color:var(--cyan)}
.ticker-track strong{color:var(--yellow);font-weight:900}
@keyframes tick{to{transform:translateX(-50%)}}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:2px solid var(--ink)}
.stat{padding:64px 32px;border-right:2px solid var(--ink);transition:.3s}
.stat:last-child{border-right:none}
.stat:hover{background:var(--yellow)}
.stat .num{font-family:var(--disp);font-size:clamp(38px,4.5vw,64px);line-height:1}
.stat .lbl{margin-top:14px;font-family:var(--mono);font-size:12px;letter-spacing:.18em;color:#55555f;text-transform:uppercase}
.stat:nth-child(1) .num{color:var(--pink)}.stat:nth-child(2) .num{color:var(--blue)}
.stat:nth-child(3) .num{color:#00a8a5}.stat:nth-child(4) .num{color:var(--ink)}
.stat:hover .num{color:var(--ink)}

/* section heads */
.sec-num{font-family:var(--disp);font-size:clamp(70px,9vw,130px);line-height:1;color:transparent;-webkit-text-stroke:2px rgba(16,16,20,.18);position:absolute;top:44px;right:32px;pointer-events:none;user-select:none}
.sec-head{margin-bottom:64px;max-width:780px}
.sec-head .mono{color:var(--pink);display:block;margin-bottom:20px}
.sec-head h2{font-size:clamp(36px,5vw,68px);line-height:1.04;text-transform:uppercase;letter-spacing:-.01em}
.sec-head h2 .hl{background:var(--cyan);padding:0 12px;display:inline-block}
.sec-head h2 .hl2{background:var(--yellow);padding:0 12px;display:inline-block}
.sec-head p{margin-top:22px;color:#55555f;line-height:1.9;font-size:15.5px;max-width:560px}
.sec-head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap}
.link-more{font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.1em;border:2px solid var(--ink);padding:14px 28px;transition:.25s;white-space:nowrap}
.link-more:hover{background:var(--ink);color:#fff}

/* ---------- services list (click → modal) ---------- */
.svc-list{border-top:2px solid var(--ink)}
.svc{display:grid;grid-template-columns:110px 1fr 1.1fr auto;gap:32px;align-items:center;padding:44px 0;border-bottom:2px solid var(--ink);transition:.3s;cursor:pointer}
.svc:hover{background:#fff;padding-left:24px;padding-right:24px;margin:0 -24px}
.svc .no{font-family:var(--disp);font-size:34px;color:transparent;-webkit-text-stroke:1.8px var(--ink);transition:.3s}
.svc:hover .no{color:var(--pink);-webkit-text-stroke:1.8px var(--pink)}
.svc h3{font-size:clamp(22px,2.4vw,32px);text-transform:uppercase;letter-spacing:.01em}
.svc p{color:#55555f;font-size:14.5px;line-height:1.85}
.svc .arr{font-family:var(--disp);font-size:28px;transition:.3s}
.svc:hover .arr{transform:translateX(8px);color:var(--pink)}
.svc .chip{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.1em;border:1.5px solid var(--ink);padding:5px 12px;margin:8px 8px 0 0;background:var(--paper)}
.svc .hint{display:inline-block;margin-top:10px;font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--pink)}

/* ---------- MODAL ---------- */
.modal-mask{position:fixed;inset:0;z-index:300;background:rgba(16,16,20,.66);backdrop-filter:blur(6px);display:none;align-items:center;justify-content:center;padding:24px}
.modal-mask.open{display:flex}
.modal{background:var(--paper);border:2px solid var(--ink);width:min(920px,100%);max-height:88vh;overflow-y:auto;position:relative;animation:mIn .35s cubic-bezier(.24,.12,.09,1)}
@keyframes mIn{from{transform:translateY(40px) scale(.97);opacity:0}to{transform:none;opacity:1}}
.modal-x{position:sticky;top:0;margin-left:auto;display:flex;z-index:5;float:right}
.modal-x button{width:56px;height:56px;border:none;border-left:2px solid var(--ink);border-bottom:2px solid var(--ink);background:var(--yellow);font-size:22px;cursor:pointer;font-family:var(--mono);font-weight:700;transition:.25s}
.modal-x button:hover{background:var(--pink);color:#fff}
.modal-head{padding:44px 48px 30px;border-bottom:2px solid var(--ink)}
.modal-head .mono{color:var(--pink);display:block;margin-bottom:14px}
.modal-head h3{font-size:clamp(26px,3.4vw,42px);text-transform:uppercase;line-height:1.1}
.modal-head p{margin-top:16px;color:#55555f;font-size:15px;line-height:1.85;max-width:640px}
.modal-body{padding:40px 48px 52px}
.modal-body h4{font-family:var(--body);font-weight:900;font-size:17px;margin:30px 0 18px;display:flex;align-items:center;gap:12px}
.modal-body h4::before{content:'';width:22px;height:10px;background:var(--pink)}
.modal-body h4:first-child{margin-top:0}
.m-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.m-card{border:2px solid var(--ink);padding:26px;background:#fff;transition:.3s}
.m-card:hover{background:var(--yellow)}
.m-card .t{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:#7a7a85;margin-bottom:10px}
.m-card b{font-size:19px;font-weight:900;display:block;margin-bottom:10px}
.m-card p{font-size:13.5px;color:#55555f;line-height:1.8}
.m-list{list-style:none}
.m-list li{padding:14px 0 14px 30px;border-bottom:1.5px dashed rgba(16,16,20,.2);font-size:14.5px;line-height:1.75;position:relative}
.m-list li::before{content:'→';position:absolute;left:0;color:var(--pink);font-weight:900}
.m-list li:last-child{border-bottom:none}
.m-table{width:100%;border-collapse:collapse;border:2px solid var(--ink);font-size:13.5px;background:#fff}
.m-table th{background:var(--ink);color:#fff;font-family:var(--mono);font-size:11px;letter-spacing:.1em;padding:13px 14px;text-align:left;font-weight:700}
.m-table th.rec{background:var(--pink)}
.m-table td{padding:13px 14px;border-bottom:1.5px solid rgba(16,16,20,.12);border-right:1.5px solid rgba(16,16,20,.12);line-height:1.6;vertical-align:top}
.m-table td:last-child,.m-table th:last-child{border-right:none}
.m-table tr:last-child td{border-bottom:none}
.m-table td:first-child{font-weight:800;white-space:nowrap}
.m-table td.rec{background:rgba(255,46,99,.06);font-weight:600}
.m-tags{display:flex;gap:8px;flex-wrap:wrap}
.m-tags span{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;border:1.5px solid var(--ink);padding:7px 14px;background:#fff}
.m-cta{margin-top:36px;display:flex;gap:0;flex-wrap:wrap}

/* ---------- 热门地区入驻展示（案例轮播） ---------- */
.pink-block{background:var(--pink);color:#fff;border-top:2px solid var(--ink);border-bottom:2px solid var(--ink)}
.pink-block .sec-num{-webkit-text-stroke-color:rgba(255,255,255,.3)}
.pink-block .sec-head .mono{color:var(--yellow)}
.pink-block .sec-head p{color:rgba(255,255,255,.85)}
.case-viewport{overflow:hidden}
.case-track{display:flex;transition:transform .75s cubic-bezier(.24,.12,.09,1)}
.case-slide{min-width:100%;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.case-img{position:relative;height:420px;border:3px solid #fff;overflow:hidden;background:rgba(255,255,255,.1)}
.case-img .ph{position:absolute;inset:0;display:grid;place-items:center;text-align:center}
.case-img .ph-art{position:absolute;inset:0}
.ci1{background:repeating-linear-gradient(45deg,#1a1a22 0 26px,#101014 26px 52px)}
.ci2{background:repeating-linear-gradient(-45deg,#ffd93d 0 26px,#ffc400 26px 52px)}
.ci3{background:repeating-linear-gradient(90deg,#08d9d6 0 26px,#00b3b0 26px 52px)}
.ci4{background:repeating-linear-gradient(45deg,#2b5bff 0 26px,#1e3fa8 26px 52px)}
.ci5{background:repeating-linear-gradient(-45deg,#7a1040 0 26px,#4d0a24 26px 52px)}
.case-img .ph-inner{position:relative;z-index:2;background:rgba(16,16,20,.72);backdrop-filter:blur(4px);border:2px dashed rgba(255,255,255,.6);padding:22px 34px;color:#fff}
.case-img .ph-inner b{font-family:var(--mono);font-size:13px;letter-spacing:.18em;display:block}
.case-img .ph-inner span{font-family:var(--mono);font-size:11px;opacity:.7;display:block;margin-top:8px;letter-spacing:.1em}
.case-img .tag{position:absolute;top:18px;left:18px;z-index:3;font-family:var(--mono);font-size:12px;letter-spacing:.18em;background:#fff;color:var(--ink);padding:7px 14px;font-weight:700}
.case-info .mono{color:var(--yellow);display:block;margin-bottom:16px}
.case-info h3{font-size:clamp(28px,3.4vw,46px);line-height:1.12;text-transform:uppercase}
.case-info p{margin-top:20px;line-height:1.95;color:rgba(255,255,255,.9);font-size:15px;max-width:500px}
.case-info .quote{margin-top:26px;border-left:5px solid var(--yellow);padding:6px 0 6px 20px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.85)}
.case-info .quote b{color:var(--yellow)}
.case-nav{display:flex;gap:14px;margin-top:52px;align-items:center}
.case-nav button{width:58px;height:58px;border:2px solid #fff;background:transparent;color:#fff;font-size:22px;cursor:pointer;transition:.25s;font-family:var(--mono)}
.case-nav button:hover{background:#fff;color:var(--pink)}
.case-count{font-family:var(--mono);font-size:14px;letter-spacing:.2em}

/* ---------- 博客 ---------- */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);border:2px solid var(--ink)}
.blog-card{padding:40px 34px;border-right:2px solid var(--ink);transition:.3s;cursor:pointer;position:relative;min-height:320px;display:flex;flex-direction:column;background:var(--paper)}
.blog-card:last-child{border-right:none}
.blog-card:hover{background:var(--ink);color:#fff}
.blog-card .cat{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--pink);margin-bottom:auto}
.blog-card h3{font-size:21px;line-height:1.4;margin:26px 0 16px;font-family:var(--body);font-weight:800}
.blog-card p{font-size:13.5px;color:#55555f;line-height:1.8;transition:.3s}
.blog-card:hover p{color:rgba(255,255,255,.65)}
.blog-card .date{font-family:var(--mono);font-size:12px;margin-top:24px;color:#7a7a85}
.blog-card .go{position:absolute;top:38px;right:30px;font-family:var(--disp);font-size:22px;opacity:0;transition:.3s;transform:translateX(-8px)}
.blog-card:hover .go{opacity:1;transform:none;color:var(--yellow)}

/* 资源中心 tabs + list */
.res-tabs{display:flex;flex-wrap:wrap;border:2px solid var(--ink);width:max-content;max-width:100%;margin-bottom:44px;background:#fff}
.res-tabs button{border:none;background:transparent;font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.1em;padding:16px 26px;cursor:pointer;border-right:2px solid var(--ink);transition:.25s;color:var(--ink)}
.res-tabs button:last-child{border-right:none}
.res-tabs button:hover{background:var(--yellow)}
.res-tabs button.on{background:var(--ink);color:#fff}
.res-grid{display:grid;grid-template-columns:repeat(3,1fr);border:2px solid var(--ink)}
.res-card{padding:36px 32px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);min-height:300px;display:flex;flex-direction:column;position:relative;cursor:pointer;transition:.3s;background:var(--paper)}
.res-card:hover{background:var(--ink);color:#fff}
.res-card:hover p{color:rgba(255,255,255,.65)}
.res-card .cat{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--pink);margin-bottom:auto}
.res-card h3{font-family:var(--body);font-weight:800;font-size:20px;line-height:1.45;margin:24px 0 14px}
.res-card p{font-size:13.5px;color:#55555f;line-height:1.8;transition:.3s}
.res-card .date{font-family:var(--mono);font-size:12px;margin-top:22px;color:#7a7a85}

/* ---------- 视频（左竖大屏 + 右小屏切换） ---------- */
.dark-block{background:var(--ink);color:#fff}
.dark-block .sec-num{-webkit-text-stroke-color:rgba(255,255,255,.16)}
.dark-block .sec-head .mono{color:var(--cyan)}
.dark-block .sec-head p{color:rgba(255,255,255,.6)}
.vswitch{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:26px;align-items:stretch}
.vbig{position:relative;aspect-ratio:9/16;max-height:640px;overflow:hidden;border:2px solid rgba(255,255,255,.25);cursor:pointer;background:#1c1c26}
.vbig .art{position:absolute;inset:0;transition:opacity .4s}
.vbig::before{content:'';position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0 4px,rgba(0,0,0,.2) 4px 5px);z-index:1}
.vbig .playb{z-index:2}
.vbig .livep{position:absolute;top:20px;left:22px;z-index:3;font-family:var(--mono);font-size:11.5px;font-weight:700;letter-spacing:.14em;background:var(--pink);color:#fff;padding:7px 14px;display:flex;gap:8px;align-items:center}
.vbig .livep i{width:8px;height:8px;background:#fff;border-radius:50%;animation:blink 1.2s infinite}
.vbig .vdur{top:20px;right:22px;left:auto}
.vcap-big{position:absolute;left:24px;right:24px;bottom:24px;z-index:3}
.vcap-big .mono{color:var(--cyan);display:block;margin-bottom:10px}
.vcap-big b{font-size:clamp(19px,2vw,26px);font-weight:900;line-height:1.4;display:block}
.vcap-big p{font-size:13px;color:rgba(255,255,255,.7);margin-top:10px;line-height:1.7}
.vthumbs{display:grid;grid-template-rows:repeat(4,1fr);gap:18px}
.vthumb{display:grid;grid-template-columns:200px 1fr;gap:0;border:2px solid rgba(255,255,255,.18);cursor:pointer;transition:.3s;background:rgba(255,255,255,.04);overflow:hidden;min-height:0}
.vthumb:hover{border-color:#fff}
.vthumb.on{border-color:var(--yellow);background:rgba(255,217,61,.08)}
.vthumb .tv{position:relative;overflow:hidden}
.vthumb .tv .art{position:absolute;inset:0;transition:.5s}
.vthumb:hover .tv .art{transform:scale(1.08)}
.vthumb .tv::before{content:'';position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0 3px,rgba(0,0,0,.16) 3px 4px);z-index:1}
.vthumb .tv .vdur{top:10px;right:10px;font-size:10px;padding:4px 9px}
.vthumb .ti{padding:16px 20px;display:flex;flex-direction:column;justify-content:center;gap:8px;min-width:0}
.vthumb .ti .mono{font-size:10px;color:var(--cyan)}
.vthumb .ti b{font-size:15px;font-weight:800;line-height:1.45}
.vthumb .ti span{font-size:12px;color:rgba(255,255,255,.5)}
.playb{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:76px;height:76px;background:var(--yellow);display:grid;place-items:center;transition:.3s;z-index:2}
.playb::after{content:'';border-style:solid;border-width:11px 0 11px 18px;border-color:transparent transparent transparent var(--ink);margin-left:5px}
.vbig:hover .playb{background:var(--pink);transform:translate(-50%,-50%) rotate(90deg)}
.vdur{position:absolute;z-index:2;font-family:var(--mono);font-size:12px;background:#fff;color:var(--ink);padding:6px 12px;font-weight:700}
.va1{background:linear-gradient(150deg,#1c1c26,#31184d 55%,#5c1040)}
.va2{background:linear-gradient(150deg,#083a3a,#08d9d6 130%)}
.va3{background:linear-gradient(150deg,#1e3fa8,#2b5bff 60%,#08d9d6 150%)}
.va4{background:linear-gradient(150deg,#4d0a24,#ff2e63 140%)}

/* ---------- 流水看板 + 图片展示框 ---------- */
.yellow-block{background:var(--yellow)}
.yellow-block .sec-num{-webkit-text-stroke-color:rgba(16,16,20,.14)}
.yellow-block .sec-head .mono{color:var(--pink)}
.rev-board{border:2px solid var(--ink);background:var(--paper)}
.rev-board .bd-head{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 28px;border-bottom:2px solid var(--ink);flex-wrap:wrap}
.rev-board .bd-head b{font-family:var(--disp);font-size:17px;letter-spacing:.02em}
.rev-board .bd-head .mono{color:#7a7a85}
.rev-kpis{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:2px solid var(--ink)}
.rev-kpis div{padding:26px 28px;border-right:2px solid var(--ink)}
.rev-kpis div:last-child{border-right:none}
.rev-kpis b{font-family:var(--disp);font-size:clamp(24px,2.6vw,36px);display:block;line-height:1.1}
.rev-kpis span{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:#7a7a85;display:block;margin-top:8px}
.rev-chart{padding:28px 28px 12px}
.rev-chart canvas{width:100%;height:300px;display:block}
.rev-frames{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
.rev-frame{border:2px solid var(--ink);background:var(--paper);position:relative;overflow:hidden;transition:.3s}
.rev-frame:hover{transform:translateY(-6px)}
.rev-frame .ph{height:340px;position:relative;display:grid;place-items:center;overflow:hidden}
.rev-frame .ph .bg{position:absolute;inset:0}
.rf1{background:repeating-linear-gradient(45deg,#ffe98a 0 22px,#ffd93d 22px 44px)}
.rf2{background:repeating-linear-gradient(-45deg,#ffd9e3 0 22px,#ffb3c7 22px 44px)}
.rf3{background:repeating-linear-gradient(90deg,#c9f6f5 0 22px,#9be9e7 22px 44px)}
.rev-frame .ph .ico{position:relative;z-index:2;width:56px;height:56px;border:2px dashed var(--ink);display:grid;place-items:center;background:rgba(253,252,248,.85);font-family:var(--mono);font-size:22px;font-weight:700}
.rev-frame .meta{border-top:2px solid var(--ink);padding:16px 20px;display:flex;justify-content:space-between;align-items:center;gap:10px}
.rev-frame .meta b{font-size:14px;font-weight:800}
.rev-frame .meta span{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:#7a7a85}
.rev-note{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:rgba(16,16,20,.55);margin-top:26px}

/* ---------- 关于我们 / 辐射地图 ---------- */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.about-copy p{color:#55555f;line-height:1.95;font-size:15.5px;margin-bottom:18px}
.mvv{margin-top:36px;border:2px solid var(--ink)}
.mvv div{padding:24px 28px;border-bottom:2px solid var(--ink);display:grid;grid-template-columns:110px 1fr;gap:20px;transition:.3s}
.mvv div:last-child{border-bottom:none}
.mvv div:hover{background:var(--cyan)}
.mvv b{font-family:var(--disp);font-size:16px}
.mvv span{font-size:14px;line-height:1.8;color:#3c3c46}
.rad-card{border:2px solid var(--ink);background:#fff;position:relative;overflow:hidden}
.rad-card .hdr{border-bottom:2px solid var(--ink);padding:16px 24px;font-family:var(--mono);font-size:12px;letter-spacing:.2em;display:flex;justify-content:space-between}
.rad-map{position:relative;height:520px;background-image:linear-gradient(rgba(16,16,20,.06) 1.5px,transparent 1.5px),linear-gradient(90deg,rgba(16,16,20,.06) 1.5px,transparent 1.5px);background-size:44px 44px}
.rad-map svg{position:absolute;inset:0;width:100%;height:100%}
.rad-node{position:absolute;display:flex;flex-direction:column;align-items:center;gap:8px;transform:translate(-50%,-50%);z-index:2}
.rad-node i{width:16px;height:16px;border-radius:50%;position:relative;display:block}
.rad-node i::after{content:'';position:absolute;inset:-9px;border:2px solid currentColor;border-radius:50%;animation:ripple 2.2s infinite}
@keyframes ripple{from{transform:scale(.5);opacity:1}to{transform:scale(1.4);opacity:0}}
.rad-node span{font-family:var(--mono);font-size:11px;font-weight:700;background:var(--ink);color:#fff;padding:4px 10px;letter-spacing:.1em;white-space:nowrap}
.rad-node.hq i{width:22px;height:22px}
.rad-node.hq span{background:var(--pink);font-size:12px;padding:6px 14px}

/* ---------- 子页面页头 ---------- */
.page-hero{padding:190px 0 90px;border-bottom:2px solid var(--ink);position:relative;overflow:hidden}
.page-hero .mono{color:var(--pink);display:block;margin-bottom:22px}
.page-hero h1{font-size:clamp(44px,7.5vw,104px);line-height:.98;text-transform:uppercase;letter-spacing:-.01em}
.page-hero h1 .out{color:transparent;-webkit-text-stroke:2.5px var(--ink)}
.page-hero h1 .hl{background:var(--cyan);padding:0 14px;display:inline-block}
.page-hero p{margin-top:26px;color:#55555f;font-size:16px;line-height:1.9;max-width:560px}
.page-hero .deco{position:absolute;right:-40px;bottom:-60px;font-family:var(--disp);font-size:clamp(120px,20vw,280px);line-height:1;color:transparent;-webkit-text-stroke:2px rgba(16,16,20,.1);pointer-events:none;user-select:none}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:start}
.wx-card{background:var(--ink);color:#fff;padding:50px 44px;position:relative}
.wx-card::after{content:'';position:absolute;top:0;right:0;width:120px;height:120px;background:var(--pink);clip-path:polygon(100% 0,0 0,100% 100%);z-index:1}
.wx-card h3{font-size:clamp(26px,3vw,38px);text-transform:uppercase;line-height:1.1}
.wx-card h3 em{font-style:normal;color:var(--cyan)}
.wx-card>p{margin:20px 0 30px;color:rgba(255,255,255,.6);font-size:14.5px;line-height:1.85}
.qr-img{border:3px solid #fff;margin-bottom:30px;overflow:hidden;position:relative;z-index:0}
.qr-img img{width:100%;display:block}
.wx-id{display:flex;align-items:center;gap:16px;border:2px solid rgba(255,255,255,.25);padding:18px 22px;position:relative;z-index:2}
.wx-id b{font-family:var(--mono);font-size:17px;letter-spacing:.06em}
.wx-id span{display:block;font-family:var(--mono);font-size:11px;color:rgba(255,255,255,.5);margin-top:3px;letter-spacing:.1em}
.copy-btn{margin-left:auto;background:var(--yellow);border:none;color:var(--ink);font-family:var(--mono);font-weight:700;font-size:12.5px;padding:12px 22px;cursor:pointer;letter-spacing:.08em;transition:.25s}
.copy-btn:hover{background:var(--pink);color:#fff}
.faq details{border:2px solid var(--ink);margin-bottom:16px;background:#fff;transition:.3s}
.faq details[open]{background:var(--paper)}
.faq summary{cursor:pointer;list-style:none;padding:24px 28px;font-weight:800;font-size:16px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .pl{font-family:var(--disp);font-size:22px;color:var(--pink);transition:.3s}
.faq details[open] summary .pl{transform:rotate(45deg)}
.faq .ans{padding:0 28px 26px;color:#55555f;font-size:14.5px;line-height:1.9}

/* ---------- 成功案例 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);border:2px solid var(--ink)}
.case-card{border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);background:var(--paper);transition:.3s;cursor:pointer;display:flex;flex-direction:column}
.case-card:nth-child(3n){border-right:none}
.case-card:nth-last-child(-n+3):nth-child(n+4){border-bottom:none}
.case-card:hover{background:#fff}
.case-card .ph{height:200px;position:relative;display:grid;place-items:center;overflow:hidden;border-bottom:2px solid var(--ink)}
.case-card .ph .bg{position:absolute;inset:0;transition:.5s}
.case-card:hover .ph .bg{transform:scale(1.06)}
.case-card .ph .ico{position:relative;z-index:2;width:54px;height:54px;border:2px dashed var(--ink);display:grid;place-items:center;background:rgba(253,252,248,.85);font-family:var(--mono);font-size:20px;font-weight:700}
.case-card .ph .reg{position:absolute;top:14px;left:14px;z-index:2;font-family:var(--mono);font-size:10.5px;font-weight:700;letter-spacing:.14em;background:var(--ink);color:#fff;padding:6px 12px}
.case-card .bd{padding:26px 28px 30px}
.case-card .bd h3{font-family:var(--body);font-weight:800;font-size:18px;line-height:1.45;margin-bottom:12px}
.case-card .bd p{font-size:13.5px;color:#55555f;line-height:1.8}
.case-card .bd .st{margin-top:18px;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;color:var(--pink);font-weight:700}

/* ---------- CTA band ---------- */
.cta-band{background:var(--pink);border-top:2px solid var(--ink);border-bottom:2px solid var(--ink);color:#fff;padding:90px 0;text-align:center}
.cta-band h2{font-size:clamp(32px,4.6vw,60px);text-transform:uppercase;line-height:1.1;margin-bottom:18px}
.cta-band p{color:rgba(255,255,255,.85);font-size:15px;margin-bottom:36px}
.cta-band .btns{display:flex;gap:0;justify-content:center;flex-wrap:wrap}
.cta-band .btn-a{background:#fff;color:var(--ink)}
.cta-band .btn-a:hover{background:var(--yellow)}
.cta-band .btn-b{border-color:#fff;color:#fff}
.cta-band .btn-b:hover{background:var(--ink);border-color:var(--ink)}

/* ---------- 科普区：什么是直播专线 ---------- */
.sci-grid{display:grid;grid-template-columns:1fr 1fr;border:2px solid var(--ink);background:#fff}
.sci-cell{padding:46px 42px;border-right:2px solid var(--ink)}
.sci-cell:last-child{border-right:none}
.sci-cell .no{font-family:var(--disp);font-size:44px;color:transparent;-webkit-text-stroke:1.8px var(--pink);line-height:1}
.sci-cell h3{font-size:clamp(20px,2.2vw,28px);margin:18px 0 16px;line-height:1.25}
.sci-cell p{color:#55555f;font-size:14.5px;line-height:1.95}
.sci-cell p b{color:var(--ink)}
.sci-cell .key{display:inline-block;background:var(--yellow);padding:1px 8px;font-weight:800;color:var(--ink)}
.sci-road{margin-top:26px;border:2px solid var(--ink)}
.road{display:grid;grid-template-columns:minmax(0,210px) 1fr;align-items:center;border-bottom:2px solid var(--ink)}
.road:last-child{border-bottom:none}
.road .rl{padding:22px 24px;border-right:2px solid var(--ink)}
.road .rl b{font-family:var(--disp);font-size:16px;display:block}
.road .rl span{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:#7a7a85;display:block;margin-top:6px}
.road .lane{height:76px;position:relative;overflow:hidden}
.lane.fast{background:linear-gradient(90deg,#08d9d6,#2b5bff)}
.lane.slow{background:repeating-linear-gradient(90deg,#3c3c46 0 34px,#2c2c34 34px 68px)}
.lane::before{content:'';position:absolute;top:50%;left:-60px;right:-60px;border-top:5px dashed rgba(255,255,255,.9);animation:laneMove 1.1s linear infinite}
.lane.slow::before{animation-duration:5s;opacity:.5;border-top-width:3px}
@keyframes laneMove{to{transform:translateX(60px)}}
.lane .lbl{position:absolute;top:10px;left:18px;font-family:var(--mono);font-size:10.5px;font-weight:700;letter-spacing:.16em;background:var(--ink);color:#fff;padding:5px 12px;z-index:2}
.sci-cmp{display:grid;grid-template-columns:1fr 1fr;border:2px solid var(--ink);border-top:none;background:var(--paper)}
.sci-cmp>div{padding:30px 34px}
.sci-cmp>div:first-child{border-right:2px solid var(--ink);background:#fff}
.sci-cmp b{font-family:var(--disp);font-size:15px;display:block;margin-bottom:16px}
.sci-cmp .good b{color:#00a8a5}
.sci-cmp .bad b{color:var(--pink)}
.sci-cmp ul{list-style:none}
.sci-cmp li{font-size:13.5px;line-height:1.8;color:#55555f;padding:8px 0 8px 24px;position:relative;border-bottom:1.5px dashed rgba(16,16,20,.15)}
.sci-cmp li:last-child{border-bottom:none}
.sci-cmp li::before{content:'✓';position:absolute;left:0;font-weight:900;color:#00a8a5}
.sci-cmp .bad li::before{content:'✕';color:var(--pink)}

/* ---------- footer ---------- */
footer{background:var(--ink);color:#fff;padding:90px 0 40px;border-top:2px solid var(--ink)}
.foot-title{font-family:var(--disp);font-size:clamp(40px,7vw,96px);line-height:1;text-transform:uppercase;color:transparent;-webkit-text-stroke:2px rgba(255,255,255,.35);margin-bottom:60px;transition:.5s;cursor:default}
.foot-title:hover{color:var(--pink);-webkit-text-stroke:2px var(--pink)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:44px;margin-bottom:64px}
.foot-grid p{color:rgba(255,255,255,.45);font-size:13.5px;line-height:1.9;max-width:300px;margin-top:16px}
.foot-col b{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.2em;color:var(--cyan);margin-bottom:22px}
.foot-col a{display:block;color:rgba(255,255,255,.5);font-size:14px;margin-bottom:12px;transition:.25s}
.foot-col a:hover{color:var(--yellow)}
.foot-bottom a{color:rgba(255,255,255,.35);transition:.2s;text-decoration:none}
.foot-bottom a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:30px;display:flex;justify-content:space-between;font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;color:rgba(255,255,255,.35);flex-wrap:wrap;gap:12px}

/* ---------- responsive ---------- */
@media(max-width:1024px){
  .hero-mid,.about-grid,.contact-grid,.vswitch,.case-slide{grid-template-columns:1fr}
  .hero-ctas{justify-content:flex-start}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:none}
  .stat{border-bottom:2px solid var(--ink)}
  .blog-grid,.res-grid,.case-grid,.rev-frames{grid-template-columns:1fr}
  .blog-card,.case-card{border-right:none;border-bottom:2px solid var(--ink)}
  .blog-card:last-child,.case-card:last-child{border-bottom:none}
  .svc{grid-template-columns:60px 1fr;gap:16px}
  .svc .arr{display:none}
  .nav-links{position:fixed;top:72px;left:0;right:0;background:var(--paper);border-bottom:2px solid var(--ink);flex-direction:column;padding:14px 32px 24px;display:none;z-index:190}
  body.menu-open .nav-links{display:flex}
  .burger{display:block}
  .nav-cta{display:none}
  .sec-num{display:none}
  .vbig{max-height:520px;margin:0 auto;width:min(360px,100%)}
  .vthumbs{grid-template-rows:none;grid-template-columns:1fr}
  .m-cards{grid-template-columns:1fr}
  .rev-kpis{grid-template-columns:repeat(2,1fr)}
  .rev-kpis div:nth-child(2){border-right:none}
  .rev-kpis div{border-bottom:2px solid var(--ink)}
  .modal-head,.modal-body{padding-left:26px;padding-right:26px}
  .sci-grid,.sci-cmp{grid-template-columns:1fr}
  .sci-cell{border-right:none;border-bottom:2px solid var(--ink)}
  .sci-cell:last-child{border-bottom:none}
  .sci-cmp>div:first-child{border-right:none;border-bottom:2px solid var(--ink)}
  .road{grid-template-columns:1fr}
  .road .rl{border-right:none;border-bottom:2px solid var(--ink)}
  .case-grid .case-card{border-bottom:2px solid var(--ink)}
  .case-grid .case-card:last-child{border-bottom:none}
  .foot-grid{grid-template-columns:1fr 1fr}
  .rad-map{height:420px}
}

/* ============ 后台动态内容适配 ============ */
/* 已上传图片替换占位底纹 */
.case-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.case-card .ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.rev-frame .ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
/* 真实视频播放 */
.vbig video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#000;z-index:2}
.vbig:has(>video)::before{display:none}/* 有真实视频时关闭扫描线遮罩 */
.vbig video~.vcap-big{pointer-events:none;opacity:0;transition:.25s}
.vbig:hover video~.vcap-big{opacity:1}
.vthumb .tv video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

/* 流水看板缩小、案例放大 */
.rev-board .bd-head{padding:14px 24px}
.rev-board .bd-head b{font-size:14px}
.rev-kpis div{padding:14px 24px}
.rev-kpis b{font-size:clamp(19px,1.8vw,26px)}
.rev-kpis span{margin-top:5px}
.rev-chart{padding:18px 24px 8px}
.rev-chart canvas{height:180px}
.rev-frames{margin-top:28px}
.case-img{height:560px}
.case-card .ph{height:280px}

/* 博客文章封面 */
.blog-card .cov{margin:-40px -34px 26px;height:170px;overflow:hidden;border-bottom:2px solid var(--ink)}
.blog-card .cov img{width:100%;height:100%;object-fit:cover;display:block;transition:.5s}
.blog-card:hover .cov img{transform:scale(1.06)}
.res-card .cov{margin:-36px -32px 20px;height:160px;overflow:hidden;border-bottom:2px solid var(--ink)}
.res-card .cov img{width:100%;height:100%;object-fit:cover;display:block;transition:.5s}
.res-card:hover .cov img{transform:scale(1.06)}
/* 文章卡片可点击 */
.res-card{cursor:pointer}
.res-card:hover{transform:translateY(-4px)}
/* 文章阅读弹窗正文 */
.m-article p{font-size:15px;line-height:2;color:#3a3a42;margin:0 0 16px}
.m-article p:first-of-type{font-size:16px;color:var(--ink);font-weight:700}