:root{--bg:#f4f7f6;--surface:rgba(255,255,255,.86);--card:#fff;--text:#10201d;--muted:#697774;--line:#dce5e2;--soft:#eaf7f3;--primary:#16a381;--primary2:#0b8065;--shadow:0 24px 70px rgba(14,72,59,.11)}
[data-theme="dark"]{--bg:#0b1211;--surface:rgba(14,24,22,.88);--card:#101b19;--text:#eef8f5;--muted:#94a7a2;--line:#243a35;--soft:#142c26;--shadow:0 24px 70px rgba(0,0,0,.34)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"DM Sans","Noto Sans SC",sans-serif;letter-spacing:0;transition:.25s;background-image:radial-gradient(circle at 50% 0,rgba(22,163,129,.12),transparent 34%)}button{font:inherit}.grid-bg{position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(rgba(34,77,67,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(34,77,67,.045) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(to bottom,#000,transparent 65%)}.site-header{height:74px;padding:0 max(24px,calc((100vw - 1120px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:var(--surface);backdrop-filter:blur(18px);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:11px;color:var(--text);text-decoration:none}.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:8px;background:var(--primary);color:#fff;box-shadow:0 7px 18px rgba(22,163,129,.28)}.brand-mark svg{width:21px}.brand strong{display:block;font-size:18px}.brand small{display:block;font-size:8px;letter-spacing:1.5px;color:var(--muted)}.header-actions{display:flex;align-items:center;gap:12px}.lang-switch{display:flex;border:1px solid var(--line);border-radius:7px;padding:3px;background:var(--card)}.lang-switch button{border:0;background:transparent;color:var(--muted);height:28px;padding:0 10px;border-radius:5px;font-size:12px;cursor:pointer}.lang-switch button.active{background:var(--soft);color:var(--primary2);font-weight:700}.icon-btn{width:36px;height:36px;border:1px solid var(--line);background:var(--card);color:var(--text);border-radius:7px;display:grid;place-items:center;cursor:pointer}.icon-btn svg{width:17px}main{position:relative}.hero{text-align:center;padding:78px 20px 30px}.eyebrow{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(22,163,129,.2);background:var(--soft);color:var(--primary2);padding:7px 13px;border-radius:99px;font-size:12px}.eyebrow span{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(22,163,129,.15)}.eyebrow svg{width:14px}.hero h1{font-size:clamp(42px,5vw,68px);line-height:1.07;margin:23px 0 18px;letter-spacing:0;font-weight:700}.hero h1 em{color:var(--primary);font-style:normal}.hero-copy{color:var(--muted);font-size:16px;margin:0}.trust-row{display:flex;justify-content:center;gap:24px;margin-top:25px;color:var(--muted);font-size:12px}.trust-row span{display:flex;align-items:center;gap:5px}.trust-row svg{width:15px;color:var(--primary)}.checker{width:min(860px,calc(100% - 32px));margin:24px auto 0;background:var(--card);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:26px}.checker-head,.checker-head>div,.privacy,.file-types,.file-types span,.result-title,.notice{display:flex;align-items:center}.checker-head{justify-content:space-between}.checker-head>div{gap:13px}.section-icon{width:42px;height:42px;border-radius:8px;background:var(--soft);color:var(--primary);display:grid;place-items:center}.section-icon svg{width:21px}.checker h2{font-size:18px;margin:0}.checker-head p{margin:3px 0 0;color:var(--muted);font-size:12px}.privacy{gap:5px;color:var(--muted);font-size:11px}.privacy svg{width:14px;color:var(--primary)}.file-types{gap:8px;margin:22px 0 12px}.file-types span{gap:7px;background:var(--bg);border:1px solid var(--line);padding:7px 10px;border-radius:6px;color:var(--muted);font-size:11px}.file-types svg{width:14px;color:var(--primary)}.file-types code{font-family:inherit}.drop-zone{width:100%;min-height:260px;border:1.5px dashed #93cabd;background:rgba(22,163,129,.025);border-radius:8px;color:var(--text);display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:.2s}.drop-zone:hover,.drop-zone.dragging{background:var(--soft);border-color:var(--primary);transform:translateY(-2px)}.upload-orbit{width:66px;height:66px;border-radius:50%;display:grid;place-items:center;background:var(--soft);color:var(--primary);margin-bottom:18px;box-shadow:0 0 0 9px rgba(22,163,129,.06)}.upload-orbit svg{width:29px}.drop-zone strong{font-size:16px}.drop-zone small{color:var(--muted);margin:7px 0 17px}.choose,.reset{display:inline-flex;align-items:center;gap:7px}.choose{padding:9px 15px;border-radius:6px;color:#fff;background:var(--primary);font-size:12px}.choose svg{width:15px}.notice{gap:8px;margin-top:15px;padding:10px 12px;border-radius:6px;background:var(--bg);color:var(--muted);font-size:11px}.notice svg{width:15px;color:#4d8fd8;flex:none}.status,.result{margin-top:16px;border:1px solid var(--line);border-radius:8px;padding:22px}.status-top{display:flex;justify-content:space-between;font-size:13px}.status-top span{max-width:75%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.progress{height:7px;background:var(--bg);border-radius:9px;margin:14px 0;overflow:hidden}.progress span{display:block;height:100%;width:0;background:var(--primary);transition:width .3s}.status p{color:var(--muted);font-size:12px;margin:0}.result-title{gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line)}.result-title>span{width:44px;height:44px;display:grid;place-items:center;background:var(--soft);color:var(--primary);border-radius:50%}.result-title small{color:var(--muted);font-size:10px}.result-title h3{font-size:17px;margin:2px 0}.result-title>b{margin-left:auto;background:var(--soft);color:var(--primary2);padding:6px 10px;border-radius:5px;font-size:11px}.result dl{display:grid;grid-template-columns:1fr 1fr;margin:18px 0;gap:15px}.result dl div{background:var(--bg);padding:12px;border-radius:6px}.result dt{font-size:10px;color:var(--muted)}.result dd{margin:5px 0 0;font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.demo-note{display:flex;gap:7px;color:#aa7424;background:#fff7e8;border:1px solid #f1dfbb;padding:10px;border-radius:6px;font-size:11px}.demo-note svg{width:15px;flex:none}.reset{border:0;background:var(--primary);color:#fff;border-radius:6px;padding:9px 13px;cursor:pointer}.reset svg{width:14px}.stats{width:min(850px,calc(100% - 32px));margin:48px auto 100px;display:grid;grid-template-columns:repeat(3,1fr);text-align:center}.stats div{border-right:1px solid var(--line)}.stats div:last-child{border:0}.stats strong{font-size:30px;display:block}.stats sup{color:var(--primary);font-size:14px}.stats span{color:var(--muted);font-size:11px}.features,.steps{padding:92px max(24px,calc((100vw - 1080px)/2))}.features{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.section-heading{text-align:center;margin-bottom:44px}.section-heading>span{font-size:10px;letter-spacing:2px;color:var(--primary);font-weight:700}.section-heading h2{font-size:32px;margin:9px 0}.section-heading p{color:var(--muted);font-size:14px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.feature-grid article{border:1px solid var(--line);border-radius:8px;padding:25px;background:var(--bg)}.feature-grid article>span{width:42px;height:42px;border-radius:7px;background:var(--soft);color:var(--primary);display:grid;place-items:center}.feature-grid svg{width:21px}.feature-grid h3{font-size:16px;margin:18px 0 8px}.feature-grid p,.step-row p{color:var(--muted);font-size:12px;line-height:1.7;margin:0}.step-row{display:grid;grid-template-columns:1fr 40px 1fr 40px 1fr;align-items:center;text-align:center}.step-row>div{position:relative}.step-row>div>b{position:absolute;top:-20px;left:50%;transform:translateX(-50%);font-size:56px;color:var(--soft);z-index:-1}.step-row>div>svg{width:28px;color:var(--primary);margin-bottom:10px}.step-row h3{margin:5px}.step-row>span{color:var(--line)}footer{border-top:1px solid var(--line);padding:28px max(24px,calc((100vw - 1080px)/2));display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:11px}.mini .brand-mark{width:29px;height:29px}.mini .brand-mark svg{width:16px}.toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);background:#18332d;color:#fff;padding:10px 15px;border-radius:6px;font-size:12px;opacity:0;pointer-events:none;transition:.25s;z-index:30}.toast.show{opacity:1;transform:translate(-50%,0)}[hidden]{display:none!important}
@media(max-width:700px){.site-header{height:64px}.brand small{display:none}.hero{padding-top:54px}.hero h1{font-size:42px}.hero h1 br{display:none}.trust-row{gap:10px;flex-wrap:wrap}.checker{padding:16px}.checker-head{align-items:flex-start}.privacy{display:none}.file-types{overflow:auto}.drop-zone{min-height:230px;padding:20px}.drop-zone small{max-width:250px}.stats{margin-bottom:70px}.stats strong{font-size:22px}.features,.steps{padding:68px 20px}.feature-grid{grid-template-columns:1fr}.step-row{grid-template-columns:1fr;gap:42px}.step-row>span{display:none}.result dl{grid-template-columns:1fr}.section-heading h2{font-size:27px}footer{flex-direction:column;gap:8px}}
.inspection-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:18px 0}.inspection-grid article{display:flex;align-items:flex-start;gap:10px;padding:13px 14px;border:1px solid var(--line);background:var(--surface-soft);border-radius:12px}.inspection-grid b,.inspection-grid small{display:block}.inspection-grid b{font-size:13px}.inspection-grid small{margin-top:3px;color:var(--muted);font-size:11px}.inspection-dot{width:9px;height:9px;border-radius:50%;margin-top:4px;background:#f59e0b;box-shadow:0 0 0 4px rgba(245,158,11,.12)}.detection-board{display:flex;justify-content:space-between;gap:24px;align-items:center;margin-top:26px;padding:22px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(135deg,var(--surface-soft),transparent)}.board-kicker{font-size:10px;letter-spacing:.16em;color:var(--accent);font-weight:700}.detection-board h3{margin:8px 0 0;font-size:22px}.board-items{display:grid;grid-template-columns:repeat(2,minmax(130px,1fr));gap:10px;font-size:12px;color:var(--muted)}.board-items span{padding:10px 12px;border:1px solid var(--line);border-radius:9px}.board-items b{color:var(--accent);margin-right:8px}.icon-btn svg,.brand-mark svg,.eyebrow svg,.trust-row svg,.section-icon svg,.privacy svg,.file-types svg,.upload-orbit svg,.choose svg,.result-title svg,.demo-note svg,.reset svg,.notice svg,.feature-grid article span svg,.step-row svg{width:18px;height:18px}.brand-mark svg{width:22px;height:22px}.upload-orbit svg{width:30px;height:30px}@media (max-width:700px){.inspection-grid{grid-template-columns:1fr}.detection-board{display:block}.board-items{margin-top:18px}}
.password-row{display:flex;align-items:center;gap:10px;margin-top:14px;flex-wrap:wrap}.password-row label{font-size:13px;font-weight:700}.password-row input{flex:1;min-width:180px;padding:10px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--text)}.password-row button{border:0;background:var(--primary);color:white;padding:10px 15px;border-radius:6px;cursor:pointer}.finding{display:flex;justify-content:space-between;gap:20px;padding:11px 0;border-bottom:1px solid var(--line);font-size:12px}.finding span{overflow-wrap:anywhere;text-align:right;max-width:70%}.finding.fail span{color:#bc4545}.finding.warn span{color:#a16a21}@media(max-width:500px){.finding{display:block}.finding span{display:block;text-align:left;max-width:100%;margin-top:4px}}

/* 2026 security-lab visual refresh */
:root[data-theme="dark"]{--bg:#090a12;--card:#11121d;--surface:rgba(13,14,24,.88);--surface-soft:#171827;--text:#f2f0fb;--muted:#9c9bab;--line:#292a3c;--primary:#9a7cff;--primary2:#b9a5ff;--soft:rgba(154,124,255,.13);--shadow:0 30px 90px rgba(0,0,0,.38)}
body{background-image:radial-gradient(circle at 74% 12%,rgba(103,76,200,.22),transparent 27%),radial-gradient(circle at 12% 35%,rgba(52,42,111,.18),transparent 24%)}
.grid-bg{background-size:64px 64px;opacity:.32}.site-header{height:86px;border-bottom-color:rgba(255,255,255,.06)}
.brand-mark{background:linear-gradient(145deg,#7860dd,#ad92ff);border:1px solid rgba(255,255,255,.2)}.brand small{letter-spacing:2.8px;color:#77778a}
.main-nav{display:flex;gap:34px;margin-left:auto;margin-right:32px}.main-nav a{color:var(--muted);font-size:14px;text-decoration:none}.main-nav a:hover,.main-nav a.active{color:var(--text)}
.lab-hero{text-align:left;width:min(1120px,calc(100% - 44px));margin:auto;padding:104px 0 42px}.lab-hero .eyebrow{padding:0;border:0;background:none;letter-spacing:4px;color:#9691ac}.lab-hero h1{font-size:clamp(58px,7.4vw,104px);max-width:900px;letter-spacing:-4px;line-height:.98;margin:36px 0}.lab-hero h1 em{display:inline-block;margin-top:17px;background:linear-gradient(90deg,#f4f1ff 0%,#a88aff 75%);-webkit-background-clip:text;background-clip:text;color:transparent}.lab-hero .hero-copy{max-width:700px;font-size:18px;line-height:1.9}.lab-hero .trust-row{justify-content:flex-start;margin-top:30px}.hero-stats{display:flex;gap:0;margin:50px 0 0}.hero-stats div{min-width:170px;padding:0 34px;border-left:1px solid var(--line)}.hero-stats div:first-child{padding-left:0;border:0}.hero-stats dt{font-size:26px;font-weight:700}.hero-stats dd{margin:6px 0 0;color:var(--muted);font-size:11px;letter-spacing:1.4px}
.checker{margin-top:50px;border-color:#302e48;background:linear-gradient(145deg,rgba(23,22,37,.98),rgba(13,14,23,.98));border-radius:20px;padding:30px;box-shadow:0 30px 100px rgba(0,0,0,.44)}.drop-zone{min-height:300px;border-color:#554b80;background:rgba(130,102,224,.035);border-radius:16px}.drop-zone:hover,.drop-zone.dragging{border-color:#9a7cff;background:rgba(154,124,255,.08)}.upload-orbit{background:linear-gradient(145deg,rgba(154,124,255,.23),rgba(154,124,255,.08));color:#bca8ff;box-shadow:0 0 0 12px rgba(154,124,255,.055)}.choose,.reset,.password-row button{background:linear-gradient(135deg,#7860dd,#9c7cf0)}
.result{background:#0d0e17;border-radius:15px}.finding{padding:14px 2px}.finding.ok span{color:#76d5b0}.finding.warn span{color:#e6b96f}.finding.fail span{color:#f08080}.features{background:#0d0e17}.feature-grid article{background:#11121d}.detection-board{background:linear-gradient(135deg,rgba(154,124,255,.1),transparent)}
@media(max-width:800px){.main-nav{display:none}.lab-hero{padding-top:66px}.lab-hero h1{letter-spacing:-2px}.hero-stats{overflow:auto}.hero-stats div{min-width:135px;padding:0 20px}.header-actions .lang-switch{display:none}}
.result-title>b[data-status="revoked"],.result-title>b[data-status="invalid"]{background:rgba(239,93,93,.14);color:#ff9292}.result-title>b[data-status="valid"]{background:rgba(63,190,137,.14);color:#7be0b5}.result-title>b[data-status="unverified"]{background:rgba(230,185,111,.14);color:#e6b96f}
.result-title>span{transition:.2s}.result[data-status="revoked"] .result-title>span,.result[data-status="invalid"] .result-title>span{background:rgba(239,93,93,.14);color:#ff7777}.result[data-status="valid"] .result-title>span{background:rgba(63,190,137,.14);color:#72d9ac}.result[data-status="unverified"] .result-title>span{background:rgba(230,185,111,.14);color:#e6b96f}.result[data-status="revoked"] .result-title h3,.result[data-status="invalid"] .result-title h3{color:#ff8b8b}.result[data-status="valid"] .result-title h3{color:#7be0b5}.finding.ok span{color:inherit}.result[data-status="valid"] .finding.ok span{color:#76d5b0}.result[data-status="revoked"] .finding:first-child span,.result[data-status="invalid"] .finding.fail span{color:#f08080}.file-meta-title{margin:24px 0 8px;color:var(--muted);font-size:11px;letter-spacing:1.6px;text-transform:uppercase}.result .file-meta{margin-top:8px;border-top:1px solid var(--line);padding-top:14px}
.local-findings{display:grid;gap:8px;margin:16px 0}.finding{display:flex;justify-content:space-between;gap:16px;padding:10px 12px;border-radius:9px;background:var(--surface-soft);border:1px solid var(--line);font-size:12px}.finding strong{color:var(--text)}.finding span{color:var(--muted);text-align:right}.finding.ok strong{color:#16855b}.finding.warn strong{color:#bd7410}.finding.fail strong{color:#c44747}

/* result layout v2: name-first, chips, grouped sections */
.name-block{margin:20px 0 4px;padding:20px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(150deg,rgba(154,124,255,.1),transparent 70%);position:relative;overflow:hidden}
.name-block::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--primary)}
.name-label{display:block;font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
#resultNameEn{display:block;font-size:clamp(18px,3vw,24px);line-height:1.35;word-break:break-word}
.name-cn{margin:8px 0 0;font-size:14px;color:#bca8ff;line-height:1.5;word-break:break-word}
.name-cn::before{content:'中文 · ';font-size:11px;color:var(--muted);letter-spacing:1px}
.result-chips{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 4px}
.rc-chip{display:inline-flex;flex-direction:column;gap:2px;padding:9px 13px;border-radius:10px;border:1px solid var(--line);background:var(--surface-soft);min-width:96px}
.rc-chip small{font-size:10px;letter-spacing:1px;color:var(--muted);text-transform:uppercase}
.rc-chip b{font-size:14px;font-weight:700}
.rc-chip.ok{border-color:rgba(63,190,137,.45);background:rgba(63,190,137,.12)}.rc-chip.ok b{color:#7be0b5}
.rc-chip.warn{border-color:rgba(230,185,111,.45);background:rgba(230,185,111,.12)}.rc-chip.warn b{color:#e6b96f}
.rc-chip.fail{border-color:rgba(239,93,93,.5);background:rgba(239,93,93,.14)}.rc-chip.fail b{color:#ff9292}
.rc-sections{margin:20px 0 4px;display:grid;gap:14px}
.rc-section{border:1px solid var(--line);border-radius:13px;background:var(--surface-soft);overflow:hidden}
.rc-section>h4{display:flex;align-items:center;gap:9px;margin:0;padding:13px 16px;font-size:13px;letter-spacing:.5px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.rc-section>h4 svg{width:16px;height:16px;color:var(--primary)}
.rc-body{padding:6px 16px 10px}
.rc-row{display:grid;grid-template-columns:minmax(120px,190px) 1fr auto;align-items:start;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);font-size:12.5px}
.rc-body .rc-row:last-child{border-bottom:0}
.rc-label{color:var(--muted)}
.rc-value{color:var(--text);word-break:break-word;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.rc-row.ok .rc-value{color:#7be0b5}.rc-row.warn .rc-value{color:#e6b96f}.rc-row.fail .rc-value{color:#ff9292}
.rc-copy{flex:none;width:28px;height:28px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px;background:transparent;color:var(--muted);cursor:pointer;transition:.18s}
.rc-copy:hover{color:var(--primary);border-color:var(--primary);background:rgba(154,124,255,.08)}
.rc-copy svg{width:14px;height:14px}
.result[data-status="revoked"] .name-block::before,.result[data-status="invalid"] .name-block::before{background:#ff6b6b}
.result[data-status="valid"] .name-block::before{background:#3fbe89}
.result[data-status="unverified"] .name-block::before{background:#e6b96f}
@media(max-width:700px){.name-block{padding:16px}.rc-row{grid-template-columns:1fr auto;gap:4px}.rc-label{grid-column:1/2;font-size:11px}.rc-value{grid-column:1/2}.rc-copy{grid-row:1/3;grid-column:2/3;align-self:center}.rc-chip{flex:1 1 40%}}
.channel-link{color:#a79bff;font-weight:600;text-decoration:none;border-bottom:1px solid rgba(167,155,255,.45)}.channel-link:hover{color:#c9c1ff;border-bottom-color:#c9c1ff}

/* 2026-10-08 通知渠道入口放到页头与右下角，一眼就能看到 */
.channel-cta{display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 15px;border-radius:8px;background:linear-gradient(135deg,#5b8cff,#8a63ff);color:#fff;font-size:12px;font-weight:600;text-decoration:none;white-space:nowrap;box-shadow:0 8px 22px rgba(91,140,255,.3)}
.channel-cta svg{width:16px;height:16px}.channel-cta:hover{filter:brightness(1.08)}
.floating-channel{position:fixed;right:22px;bottom:22px;z-index:40;display:inline-flex;align-items:center;gap:9px;padding:13px 18px;border-radius:999px;background:linear-gradient(135deg,#5b8cff,#8a63ff);color:#fff;font-size:13px;font-weight:700;text-decoration:none;box-shadow:0 16px 40px rgba(86,96,220,.45);transition:.2s}
.floating-channel svg{width:18px;height:18px}.floating-channel:hover{transform:translateY(-2px)}
@media(max-width:700px){.channel-cta{padding:0 11px}.channel-cta b{display:none}.floating-channel{right:12px;bottom:12px;padding:11px 15px;font-size:12px;gap:7px}}

/* ── 移动端精简版 ──────────────────────────────────────────────────────────
   站长要求：手机上只留"选文件 → 看结果"，说明与宣传性板块一律收起，
   电脑版（宽度大于 700px）完全不受影响。 */
@media (max-width:700px){
  body{background-image:none}
  .grid-bg{display:none}
  .site-header{height:56px;padding:0 14px}
  .brand-mark{width:32px;height:32px;border-radius:7px}
  .brand-mark svg{width:18px;height:18px}
  .brand strong{font-size:16px}
  .main-nav,.lang-switch{display:none}
  .channel-cta{height:34px;padding:0 12px;font-size:12px}
  .channel-cta svg{width:16px;height:16px}

  main{padding:0 12px}
  .hero.lab-hero{padding:22px 2px 6px}
  .eyebrow{display:none}
  .hero h1{font-size:26px;line-height:1.28;letter-spacing:0}
  .hero h1 br{display:none}
  .hero h1 em{display:block;margin-top:6px;font-size:15px;font-style:normal;opacity:.85}
  .hero-copy{margin:10px 0 0;font-size:13px;line-height:1.6}
  .trust-row,.hero-stats{display:none}

  .checker{margin:14px 0 0;padding:14px;border-radius:14px}
  .checker-head h2{font-size:17px}
  .checker-head p{font-size:12px}
  .file-types{margin:10px 0 12px;gap:6px;flex-wrap:wrap;overflow:visible}
  .file-types span{padding:5px 9px;font-size:11px}

  .drop-zone{min-height:150px;padding:16px 14px;gap:6px}
  .upload-orbit{width:46px;height:46px}
  .upload-orbit svg{width:22px;height:22px}
  .drop-zone strong{font-size:14px}
  .drop-zone small{max-width:100%;font-size:11px}
  .choose{padding:8px 14px;font-size:12px}

  .password-row{margin-top:10px}
  .password-row input{width:100%;min-width:0}

  .result-title small{display:none}
  .result-title h3{font-size:16px}
  .name-block{padding:14px}
  .result-sections{margin-top:12px}
  .finding{padding:9px 0}
  .reset{padding:10px}

  .features,.steps,.detection-board,.notice,footer{display:none}
  .floating-channel{right:10px;bottom:10px;padding:10px 13px;font-size:12px}
}

/* 检测方式切换：文件检测 / 安装链接检测（p12check 同类功能） */
.check-modes{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin:12px 0 14px;padding:4px;border:1px solid var(--line);border-radius:10px;background:var(--surface-soft)}
.check-modes .mode-btn{width:100%;padding:9px 10px;border:0;border-radius:8px;background:transparent;color:var(--muted);cursor:pointer;font-size:13px}
.check-modes .mode-btn.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}
.url-panel{display:flex;align-items:center;justify-content:center;min-height:330px;margin:0 0 14px;padding:28px 22px;border:1px dashed var(--line);border-radius:12px;background:linear-gradient(180deg,rgba(120,96,221,.06),transparent)}
.url-body{width:100%;max-width:560px;text-align:center}
.url-body h3{margin:0 0 10px;font-size:20px}
.url-body p{margin:0 0 22px;font-size:13px;color:var(--muted)}
.url-row{display:flex;gap:10px}
.url-row input{flex:1;min-width:0;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--text)}
.url-row button{height:46px;padding:0 22px;border:0;border-radius:10px;background:var(--primary);color:#fff;cursor:pointer;font-weight:600;white-space:nowrap}
.url-body small{display:block;margin-top:10px;font-size:11px;color:var(--muted)}
@media(max-width:700px){.url-panel{min-height:280px;padding:22px 16px}.url-body h3{font-size:17px}.url-row{flex-direction:column}.url-row button{width:100%}.check-modes{margin-bottom:10px}}

/* 桌面双栏版式（对齐 p12check）：左侧介绍，右侧检测卡常驻首屏 */
.hero-channel{display:flex;align-items:center;gap:12px;margin:34px 0 0;padding:15px 18px;border:1px solid var(--line);border-radius:10px;background:var(--surface-soft);color:var(--text);text-decoration:none;transition:.2s}
.hero-channel:hover{border-color:var(--primary);transform:translateY(-1px)}
.hero-channel-icon{width:38px;height:38px;display:grid;place-items:center;flex:none;border-radius:8px;background:var(--soft);color:var(--primary)}
.hero-channel-icon svg{width:18px;height:18px}
.hero-channel b{display:block;font-size:14px}
.hero-channel small{display:block;margin-top:2px;font-size:11px;color:var(--muted)}
.hero-channel em{margin-left:auto;font-style:normal;font-size:12px;color:var(--primary);white-space:nowrap}
.checker-hint{font-size:12px;color:var(--muted);white-space:nowrap}
.checker-notes{margin:14px 4px 0;display:grid;gap:8px;font-size:12px;color:var(--muted)}
.checker-notes span{display:flex;gap:7px;align-items:flex-start;line-height:1.5}
.checker-notes svg{width:14px;height:14px;flex:none;margin-top:2px;opacity:.8}
@media(min-width:901px){
  .hero-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(430px,530px);gap:54px;align-items:start;width:min(1260px,calc(100% - 64px));margin:0 auto;padding:54px 0 46px}
  .hero-split .lab-hero{width:auto;margin:0;padding:0}
  .hero-split .lab-hero h1{font-size:clamp(42px,4.4vw,66px);letter-spacing:0;line-height:1.08;margin:22px 0}
  .hero-split .lab-hero h1 em{margin-top:10px}
  .hero-split .hero-stats{margin-top:34px}
  .hero-split .hero-copy{font-size:15px}
  .checker-column{position:sticky;top:96px;min-width:0}
  .hero-split .checker{width:auto;margin:0}
}
@media(max-width:900px){
  .hero-channel,.checker-hint,.checker-notes{display:none}
}