/* ============ 昭引 设计系统 ============ */
:root{
  --bg:#f6f7fb; --card:#fff; --ink:#1e293b; --muted:#64748b; --line:#e8ecf3;
  --pri:#4f46e5; --pri2:#06b6d4; --green:#10b981; --amber:#f59e0b; --red:#ef4444;
  --ok:#059669; --warn:#d97706; --err:#dc2626; --info:#0284c7;
  --grad:linear-gradient(120deg,#4f46e5 0%,var(--pri) 45%,#06b6d4 100%);
  --shadow:0 1px 3px rgba(30,41,59,.06),0 8px 24px rgba(30,41,59,.06);
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);line-height:1.65;font-size:15.5px}
a{color:var(--pri);text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.narrow{max-width:820px}
.center{text-align:center;margin-top:26px}
.muted{color:var(--muted)}
.mono{font-family:ui-monospace,Consolas,monospace;font-size:.92em}

/* ---- 导航 ---- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:62px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:19px;color:var(--ink)}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:8px;background:var(--pri);color:#fff;font-size:17px;font-weight:900}
.menu{display:flex;align-items:center;gap:20px}
.menu>a{color:#475569;font-weight:600;font-size:14.5px;padding:6px 2px}
.menu>a:hover,.menu>a.active{color:var(--pri)}
.drop{position:relative}
.drop>a{color:#475569;font-weight:600;font-size:14.5px}
.drop-in{display:none;position:absolute;top:130%;left:-10px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;min-width:150px}
.drop:hover .drop-in{display:block}
.drop-in a{display:block;padding:8px 12px;border-radius:8px;color:#475569;font-size:14px;font-weight:600}
.drop-in a:hover{background:#f1f3fb;color:var(--pri)}
.burger{display:none;font-size:22px;background:none;border:0;color:var(--ink);cursor:pointer}

/* ---- 按钮 ---- */
.btn{display:inline-flex;align-items:center;gap:6px;border-radius:11px;font-weight:700;cursor:pointer;border:0;padding:9px 18px;font-size:14.5px;transition:.18s}
.btn-p{background:var(--grad);color:#fff;box-shadow:0 4px 14px rgba(79,70,229,.32)}
.btn-p:hover{transform:translateY(-1px);box-shadow:0 7px 20px rgba(79,70,229,.4)}
.btn-o{background:#fff;color:var(--pri);border:1.5px solid #dfe3f5}
.btn-o:hover{border-color:var(--pri);background:#f6f6ff}
.btn-l{padding:13px 28px;font-size:16px}
.btn-s{padding:5px 12px;font-size:13px}

/* ---- Hero ---- */
.hero{position:relative;padding:78px 0 66px;overflow:hidden;
  background:
    radial-gradient(600px 300px at 12% 0%,rgba(99,102,241,.13),transparent 60%),
    radial-gradient(520px 280px at 88% 12%,rgba(6,182,212,.12),transparent 60%),
    linear-gradient(#fbfbfe,var(--bg));}
.hero-sm{padding:52px 0 40px}
.hero h1{font-size:clamp(28px,4.6vw,46px);line-height:1.22;font-weight:900;letter-spacing:-.5px}
.hero-sm h1{font-size:clamp(25px,3.4vw,34px)}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--muted);font-size:17px;margin-top:14px;max-width:640px}
.hero-cta{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}
.pill{display:inline-block;background:#eef0ff;color:#4f46e5;border:1px solid #dfe2ff;border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;margin-bottom:16px}
.hero-in{display:grid;grid-template-columns:1.25fr 1fr;gap:44px;align-items:center}
.hero-stats{display:flex;gap:34px;margin-top:34px}
.hero-stats b{font-size:26px;display:block;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats span{color:var(--muted);font-size:13px}
.hero-card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:22px;text-align:center;animation:float 6s ease-in-out infinite}
.hero-card-t{font-weight:700;color:var(--muted);font-size:13px;margin-bottom:6px}
.hero-card-b{font-size:13.5px;color:#475569;border-top:1px dashed var(--line);padding-top:12px;margin-top:6px}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* ---- 区块 ---- */
.sec{padding:58px 0}
.sec-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{text-align:center;margin-bottom:36px}
.sec-head h2{font-size:clamp(22px,3vw,30px);font-weight:800;letter-spacing:-.3px}
.sec-head p{color:var(--muted);margin-top:8px}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:1fr 1fr}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px;transition:.2s}
.card h3{font-size:17px;margin-bottom:8px}
.card p{color:#55637a;font-size:14.5px}
.card .ico{font-size:30px;margin-bottom:12px}
.post{display:block}
.post:hover{transform:translateY(-3px);border-color:#c7cdf7;box-shadow:0 12px 28px rgba(79,70,229,.13)}
.post h3{margin:10px 0 6px}
.post .meta{color:var(--muted);font-size:12.5px;margin-top:10px}
.tag{display:inline-block;background:#eef0ff;color:#4f46e5;font-size:12px;font-weight:700;border-radius:6px;padding:3px 9px}
.tag:not(:first-child){margin-left:6px}
.list-col{display:flex;flex-direction:column;gap:16px}
.post.row{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}
.star{color:#f59e0b;font-weight:700;font-size:13px;white-space:nowrap}

/* ---- 工具卡 ---- */
.tool-card{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px;color:var(--ink);transition:.2s}
.tool-card:hover{transform:translateY(-3px);border-color:#c7cdf7}
.tool-card.wide{grid-column:1/-1}
.tool-ico{font-size:34px;line-height:1}
.tool-card h3{margin-bottom:6px}
.tool-card .link{color:var(--pri);font-weight:700;font-size:14px;display:inline-block;margin-top:8px}

/* ---- 表单 ---- */
.tool-form{padding:30px}
.lbl{display:block;font-weight:700;font-size:14px;margin-bottom:7px}
.inp{width:100%;border:1.5px solid #dde3ef;border-radius:11px;padding:12px 14px;font-size:15px;background:#fbfcfe;transition:.15s;font-family:inherit;color:var(--ink)}
.inp:focus{outline:0;border-color:var(--pri);background:#fff;box-shadow:0 0 0 3px rgba(99,102,241,.13)}
textarea.inp{resize:vertical}
.row{display:flex;gap:12px}
.row .inp{flex:1}
.hint{color:var(--muted);font-size:13px;margin-top:10px}
.alert{border-radius:11px;padding:12px 16px;margin-top:14px;font-size:14px;font-weight:600}
.alert.err{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}
.alert.ok{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}
.radio-row{display:flex;gap:18px;font-size:14px;flex-wrap:wrap}
.radio-row label{display:flex;gap:6px;align-items:center;font-weight:600;color:#475569;cursor:pointer}
.g2f{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.g2f .full{grid-column:1/-1}
.chk{display:flex;gap:8px;align-items:center;font-weight:600;color:#475569}

/* ---- 结果区 ---- */
.result-head{display:flex;justify-content:space-between;gap:30px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:34px}
.res-ring{position:relative;text-align:center;flex-shrink:0}
.ring .ring-num{font-size:26px;font-weight:900;fill:var(--ink)}
.ring .ring-sub{font-size:10px;fill:var(--muted)}
.grade{font-weight:900;font-size:15px;margin-top:2px}
.grade-A{color:var(--green)}.grade-B{color:var(--info)}.grade-C{color:var(--amber)}.grade-D{color:var(--red)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.chip{background:#f1f3fa;border:1px solid var(--line);border-radius:999px;padding:5px 13px;font-size:13px;color:#475569;font-weight:600}
.chip-mono{font-family:ui-monospace,monospace}
.chip-pos{background:#ecfdf5;color:#047857;border-color:#a7f3d0}
.chip-neg{background:#fef2f2;color:#b91c1c;border-color:#fecaca}
.chip-neu{background:#f1f3fa}
.res-acts{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.res-grid{grid-template-columns:1fr 1fr;margin-top:22px;align-items:start}
.radar-card{text-align:center}
.radar-lbl{font-size:10.5px;fill:#64748b;font-weight:600}
.dim-row{display:flex;align-items:center;gap:12px;margin:13px 0}
.dim-t{flex:1;font-weight:700;font-size:14px}
.dim-s{font-size:13px;color:var(--muted);min-width:56px;text-align:right}
.dim-s b{color:var(--ink);font-size:16px}
.bar{flex:2;height:9px;background:#eef1f7;border-radius:99px;overflow:hidden}
.bar-fill{height:100%;border-radius:99px;transition:width 1s ease}
.badge{display:inline-block;font-size:12px;font-weight:800;border-radius:7px;padding:3px 9px;white-space:nowrap}
.b-green{background:#ecfdf5;color:#059669;border:1px solid #a7f3d0}
.b-amber{background:#fffbeb;color:#b45309;border:1px solid #fde68a}
.b-red{background:#fef2f2;color:#dc2626;border:1px solid #fecaca}
.b-gray{background:#f1f5f9;color:#64748b;border:1px solid #e2e8f0}
.bn-list{display:flex;flex-direction:column;gap:14px;margin-top:14px}
.bn{display:flex;gap:14px}
.bn-n{flex-shrink:0;width:28px;height:28px;border-radius:9px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.bn p{font-size:14px;margin-top:3px}
.dim-tabs{display:flex;flex-direction:column;gap:14px}
.dim-block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 22px}
.dim-block>summary{cursor:pointer;font-weight:800;font-size:16px;list-style:none;display:flex;align-items:center;gap:8px}
.dim-block>summary::before{content:"▸";color:var(--pri);transition:.2s}
.dim-block[open]>summary::before{transform:rotate(90deg)}
.dim-score{background:#eef0ff;color:#4f46e5;border-radius:7px;padding:2px 10px;font-size:13px;margin-left:auto}
.checks{width:100%;border-collapse:collapse;margin-top:16px;font-size:14px}
.checks th{text-align:left;color:var(--muted);font-size:12.5px;font-weight:700;padding:8px 10px;border-bottom:2px solid var(--line)}
.checks td{padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.ck-name{font-weight:700;min-width:180px}
.ck-detail{color:#475569}
.ck-fix{color:var(--muted);font-size:13px}
.sig-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.sig-grid>div{background:#f8f9fd;border:1px solid var(--line);border-radius:10px;padding:11px 14px}
.sig-grid span{display:block;color:var(--muted);font-size:12px;font-weight:700}
.sig-grid b{font-size:14px;word-break:break-all}
.todo{margin:12px 0 0 20px;display:flex;flex-direction:column;gap:9px;font-size:14.5px;color:#475569}
.lvl{text-align:center;padding:18px}
.lvl b{font-size:22px;display:block;margin-bottom:4px}
.g-a{color:var(--green)}.g-b{color:var(--info)}.g-c{color:var(--amber)}.g-d{color:var(--red)}
.lvl,.lvl p{font-size:13.5px;color:var(--muted)}

/* ---- 可见性诊断 ---- */
.aspect .as-h{display:flex;align-items:center;gap:9px;font-size:17px}
.aspect .as-d{color:var(--muted);font-size:13px;margin-top:5px}
.as-t{margin-top:10px;font-weight:600;color:#334155;font-size:14.5px;background:#f8f9fd;border-radius:10px;padding:11px 14px;border:1px solid var(--line)}

/* ---- 生成器 ---- */
.gen-file{margin-top:16px;padding:0;overflow:hidden}
.gf-head{display:flex;justify-content:space-between;align-items:center;padding:13px 20px;border-bottom:1px solid var(--line);background:#fafbfe}
.code{padding:18px 20px;overflow:auto;font-family:ui-monospace,Consolas,monospace;font-size:13px;line-height:1.6;background:#0f172a;color:#d7e3ff;white-space:pre;max-height:380px}

/* ---- FAQ ---- */
.faq-cat-t{font-size:18px;margin:26px 0 12px;color:#334155}
.qa{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;padding:0 18px;box-shadow:var(--shadow)}
.qa summary{cursor:pointer;font-weight:700;padding:15px 0;list-style:none}
.qa summary::after{content:"+";float:right;color:var(--pri);font-weight:900;font-size:18px}
.qa[open] summary::after{content:"–"}
.qa-a{padding:0 0 16px;color:#475569;font-size:14.5px}

/* ---- 步骤：全宽网格布局 ---- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:0 auto}
.steps.steps-5{grid-template-columns:repeat(5,1fr)}
.step{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow);transition:.2s}
.step:hover{transform:translateY(-2px);border-color:#c7cdf7}
.step b{width:30px;height:30px;flex-shrink:0;border-radius:9px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px}
.step h4{font-size:14.5px;margin-bottom:4px}
.step p{font-size:13px;color:var(--muted);line-height:1.65}
@media(max-width:1080px){.steps,.steps.steps-5{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.steps,.steps.steps-5{grid-template-columns:1fr}}

/* ---- 文章 ---- */
.crumb{color:var(--muted);font-size:13.5px;margin-bottom:12px}
.crumb a{color:var(--pri)}
.article-summary{background:#f4f6ff;border-left:4px solid var(--pri);border-radius:0 10px 10px 0;padding:14px 18px;color:#3f4a66;font-weight:600;margin-bottom:18px}
.article-body{color:#334155;font-size:15.5px}
.article-body p{margin-bottom:14px}

/* ---- 提及 ---- */
.mentions{display:flex;flex-direction:column;gap:14px;margin-top:14px}
.mention{border:1px solid var(--line);border-radius:11px;padding:14px 16px}
.m-head{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.m-head b{font-size:14.5px}
.m-head a{color:var(--ink)}
.m-head a:hover{color:var(--pri)}
.m-snip{color:var(--muted);font-size:13.5px;margin-top:7px}

/* ---- 底部 ---- */
.foot{background:#111827;color:#9ca3af;padding:52px 0 0;margin-top:40px}
.foot-in{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;padding-bottom:36px}
.foot h4{color:#e5e7eb;font-size:14.5px;margin-bottom:14px}
.foot a{display:block;color:#9ca3af;font-size:13.5px;margin-bottom:9px}
.foot a:hover{color:#fff}
.foot-base{border-top:1px solid #1f2937;padding:18px 22px;font-size:12.5px;color:#6b7280}

/* ---- 响应式 ---- */
@media(max-width:900px){
  .hero-in{grid-template-columns:1fr}
  .hero-r{display:none}
  .g2,.g3,.g4,.res-grid,.g2f{grid-template-columns:1fr}
  .g4{grid-template-columns:1fr 1fr}
  .foot-in{grid-template-columns:1fr 1fr}
  .result-head{flex-direction:column;text-align:center}
  .chips{justify-content:center}
  .menu{display:none;position:absolute;top:62px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;padding:16px 22px;gap:14px;align-items:flex-start;box-shadow:var(--shadow)}
  .menu.open{display:flex}
  .burger{display:block}
  .row{flex-direction:column}
}

/* ============ v2 图标与排版增强 ============ */
.ico-badge{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:13px;margin-bottom:12px;flex-shrink:0}
.tool-card .ico-badge{margin-bottom:0}
.ico-indigo{background:#eef0ff;color:#4f46e5}
.ico-cyan{background:#ecfeff;color:#0891b2}
.ico-violet{background:#f5f3ff;color:#7c3aed}
.ico-amber{background:#fffbeb;color:#d97706}
.ico-green{background:#ecfdf5;color:#059669}
.ico-gray{background:#f1f5f9;color:#64748b}
.page-hero-ic{width:58px;height:58px;border-radius:16px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:16px;box-shadow:0 6px 16px rgba(79,70,229,.3)}
.badge{display:inline-flex;align-items:center;gap:4px}
.badge svg{flex-shrink:0}
.card h3{display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.caret{display:inline-block;width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;margin-left:5px;vertical-align:middle}
.burger{display:none;flex-direction:column;gap:4px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:20px;height:2px;background:var(--ink);border-radius:2px}
.feat-ic{display:inline-flex;color:#f59e0b;margin-right:5px;vertical-align:-2px}
.sum-ic{display:inline-flex;color:var(--pri)}
.dim-t svg{flex-shrink:0;color:var(--pri)}
.as-h{display:flex;align-items:center;gap:9px;font-size:17px}
.as-h svg{color:var(--pri)}
.post .tag{margin-bottom:2px}

/* 文章排版 */
.article-body h2{font-size:19px;margin:26px 0 10px;padding-top:6px}
.article-body h3{font-size:16.5px;margin:20px 0 8px;color:#334155}
.article-body ul{margin:10px 0 16px 20px;display:flex;flex-direction:column;gap:7px;color:#475569;font-size:15px}
.article-body code{background:#f1f3fa;border:1px solid var(--line);border-radius:6px;padding:1px 7px;font-family:ui-monospace,Consolas,monospace;font-size:.88em;color:#4f46e5}
.article-body b{color:#1e293b}

/* 评分环文字保持无 emoji */
.grade{letter-spacing:.5px}

@media(max-width:900px){
  .burger{display:flex}
  .page-hero-ic{width:48px;height:48px}
}

/* ============ v3 视觉升级：统一宽度 / 精致化 ============ */
body{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.wrap{max-width:1200px}
.wrap.narrow{max-width:820px}

/* 导航精致化 */
.nav{background:rgba(255,255,255,.9);box-shadow:0 1px 0 rgba(30,41,59,.04)}
.nav-in{height:64px}
.logo{font-size:19.5px;gap:10px}
.logo-mark{box-shadow:0 3px 10px rgba(100,103,232,.38)}
.menu{gap:24px}
.menu>a{position:relative;padding:8px 0}
.menu>a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--grad);transform:scaleX(0);transition:.2s}
.menu>a:hover::after,.menu>a.active::after{transform:scaleX(1)}
.drop-in{border-radius:13px;padding:8px;min-width:170px;animation:dropIn .18s ease}
@keyframes dropIn{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}

/* Hero 精致化 */
.hero{padding:86px 0 72px;background:
  radial-gradient(700px 340px at 10% -5%,rgba(99,102,241,.15),transparent 62%),
  radial-gradient(600px 300px at 90% 8%,rgba(6,182,212,.13),transparent 62%),
  linear-gradient(#fbfcff,#f6f7fb)}
.hero-sm{padding:58px 0 44px}
.hero-sm h1{letter-spacing:-.4px}
.hero-card{border-radius:20px;box-shadow:0 20px 50px rgba(79,70,229,.13),var(--shadow)}
.pill{box-shadow:0 2px 8px rgba(79,70,229,.08)}

/* 卡片层次 */
.card{border-radius:16px}
.card:hover{box-shadow:0 10px 30px rgba(30,41,59,.09)}
.tool-card{border-radius:16px}
.tool-card .link{margin-top:auto;align-self:flex-start}
.tool-card:hover .link{transform:translateX(3px)}
.tool-card .link{transition:.2s}

/* 按钮统一高度 */
.btn-p{background:var(--grad)}
.btn-o{border:1.5px solid #dde3f2;border-radius:11px}

/* 表单精致化 */
.inp{border-radius:12px;padding:12px 15px}
.btn{border-radius:12px}

/* 结果头 */
.result-head{border-radius:20px;padding:36px}

/* FAQ 手风琴 */
.qa{border-radius:13px}
.qa summary{padding:16px 0;font-size:15px}
.qa summary::marker{content:none}
.qa summary{list-style:none}

/* 页脚 */
.foot{background:linear-gradient(180deg,#0f172a,#111827)}

/* 文章正文行高 */
.article-body{line-height:1.85}
.article-body p{margin-bottom:16px}

/* 滚动条 */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:8px;border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:#94a3b8}

/* 选区 */
::selection{background:rgba(99,102,241,.18)}

/* ============ v4 检测进度反馈 ============ */
.spin{display:inline-block;width:13px;height:13px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;vertical-align:-2px}
@keyframes spin{to{transform:rotate(360deg)}}
.scan-overlay{position:fixed;inset:0;z-index:200;background:rgba(15,23,42,.55);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .25s}
.scan-overlay.show{opacity:1}
.scan-ov-box{background:#fff;border-radius:20px;padding:38px 46px;text-align:center;max-width:420px;width:90%;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.scan-ov-spin{width:52px;height:52px;border:5px solid #eef0ff;border-top-color:#4f46e5;border-radius:50%;animation:spin .9s linear infinite;margin:0 auto 18px}
.scan-ov-title{font-weight:800;font-size:17px;color:var(--ink)}
.scan-ov-stage{margin-top:10px;color:#475569;font-size:14px;min-height:22px;transition:opacity .3s}
.scan-ov-bar{height:8px;background:#eef1f7;border-radius:99px;overflow:hidden;margin-top:16px}
.scan-ov-bar i{display:block;height:100%;width:0;background:var(--grad);border-radius:99px;transition:width .8s ease}
.scan-ov-hint{margin-top:12px;color:var(--muted);font-size:12.5px}

/* ============ v4 前台布局细化 ============ */
/* 工具页 hero 横排：图标与标题同行，消除空旷感 */
.hero-sm .wrap{display:grid;grid-template-columns:auto 1fr;column-gap:22px;align-items:center}
.hero-sm .page-hero-ic{grid-row:1/3;grid-column:1;margin-bottom:0}
.hero-sm h1{grid-column:2}
.hero-sm .lead{grid-column:2;margin-top:8px;font-size:15.5px;max-width:720px}
.hero-sm{padding:48px 0 40px}

/* 工具表单卡片与 hero 衔接 */
.sec{padding:52px 0}
.tool-form{padding:28px 30px}
.tool-form .lbl{margin-bottom:8px}

/* 列表卡片行尾补齐视觉 */
.grid{align-items:stretch}
.post{position:relative}
.post .tag{position:static}

/* FAQ 星标弱化 */
.feat-ic svg{width:13px;height:13px}

/* 页脚上方留白统一 */
.foot{margin-top:56px}

@media(max-width:900px){
  .hero-sm .wrap{grid-template-columns:1fr;row-gap:0}
  .hero-sm .page-hero-ic{grid-row:auto;grid-column:1;margin-bottom:14px}
  .hero-sm h1,.hero-sm .lead{grid-column:1}
}

/* ============ v5 宽度统一与双栏工具页 ============ */
.tool-duo{display:grid;grid-template-columns:1fr 356px;gap:22px;align-items:stretch}
.tool-duo .tool-form{height:100%}
.tool-aside{background:linear-gradient(180deg,#fafbff,#f5f7fd);display:flex;flex-direction:column;padding:22px 24px}
.tool-aside h3{font-size:15px;margin-bottom:14px}
.as-list{list-style:none;display:flex;flex-direction:column;gap:13px;flex:1}
.as-list li{display:flex;flex-direction:column;gap:3px;padding-left:16px;position:relative}
.as-list li::before{content:"";position:absolute;left:0;top:7px;width:7px;height:7px;border-radius:2px;background:var(--grad)}
.as-list b{font-size:13.5px;color:var(--ink)}
.as-list span{font-size:12.5px;color:var(--muted);line-height:1.6}
.as-note{margin-top:16px;padding:11px 13px;background:#fff;border:1px dashed #d8def0;border-radius:10px;font-size:12.5px;color:#475569;line-height:1.65}
@media(max-width:1000px){.tool-duo{grid-template-columns:1fr}}

/* 文章 / 关于 / FAQ 阅读宽度 */
.card.article .article-summary,.card.article .article-body{max-width:920px;margin-left:auto;margin-right:auto}
.about-wrap .card p,.about-wrap .card li{max-width:960px}
.qa-a{max-width:980px}

/* ============ v6 提示词挖掘工具 ============ */
.prompt-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.prompt-item{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:11px;padding:10px 12px;background:#fafbff;transition:.15s}
.prompt-item:hover{border-color:#c3c9f5;background:#f4f5ff}
.prompt-q{flex:1;font-size:13.5px;color:var(--ink);line-height:1.5;word-break:break-all}
.prompt-lang{flex-shrink:0;font-size:10.5px;font-weight:700;padding:2px 6px;border-radius:5px;background:#eef0ff;color:#4f46e5;letter-spacing:.5px}
.prompt-item .btn-xs{flex-shrink:0}
@media(max-width:820px){.prompt-grid{grid-template-columns:1fr}}

/* ============ v7 可见性证据 / 信任维度卡 / 导航增强 ============ */
/* 可见性：方面评分与证据列表 */
.as-score{margin-left:auto;font-size:20px;font-weight:900;color:var(--pri)}
.as-score small{font-size:12px;color:var(--muted);font-weight:700}
.aspect .bar{margin-top:10px;height:8px}
.as-ev{list-style:none;margin-top:12px;display:flex;flex-direction:column;gap:6px}
.as-ev li{font-size:13px;color:#475569;padding-left:18px;position:relative;line-height:1.6}
.as-ev li::before{content:"";position:absolute;left:2px;top:8px;width:6px;height:6px;border-radius:2px;background:#c7cdf7}

/* 信任诊断：五维横排评分卡 */
.trust-dims{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:22px}
.tdim{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:20px 18px;text-align:center;transition:.2s}
.tdim:hover{transform:translateY(-3px);border-color:#c7cdf7}
.tdim .td-ic{width:42px;height:42px;border-radius:12px;background:#eef0ff;color:#4f46e5;display:inline-flex;align-items:center;justify-content:center;margin-bottom:10px}
.tdim h4{font-size:14.5px}
.tdim .td-num{font-size:30px;font-weight:900;letter-spacing:-1px;margin:6px 0 2px}
.tdim .td-num em{font-style:normal;font-size:13px;color:var(--muted);font-weight:700}
.tdim .td-lv{display:inline-block;font-size:12px;font-weight:800;border-radius:7px;padding:3px 10px;margin:6px 0 10px}
.tdim .td-lv.good{background:#ecfdf5;color:#059669;border:1px solid #a7f3d0}
.tdim .td-lv.mid{background:#fffbeb;color:#b45309;border:1px solid #fde68a}
.tdim .td-lv.low{background:#fef2f2;color:#dc2626;border:1px solid #fecaca}
.tdim .td-desc{font-size:12.5px;color:#475569;line-height:1.65;min-height:60px}
.tdim .td-metric{font-size:11.5px;color:var(--muted);border-top:1px dashed var(--line);padding-top:9px;margin-top:9px;line-height:1.6;min-height:44px}
@media(max-width:1080px){.trust-dims{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.trust-dims{grid-template-columns:1fr}}

/* 信任证据表 */
.ev-table{width:100%;border-collapse:collapse;font-size:13.5px;margin-top:12px}
.ev-table th{text-align:left;color:var(--muted);font-size:12.5px;padding:9px 10px;border-bottom:2px solid var(--line)}
.ev-table td{padding:10px;border-bottom:1px solid var(--line);color:#475569}
.ev-table td:first-child{font-family:ui-monospace,monospace;font-weight:700;color:var(--ink);white-space:nowrap}
.ev-tag{display:inline-block;font-size:11.5px;font-weight:700;border-radius:6px;padding:2px 8px;background:#eef0ff;color:#4f46e5;margin-right:4px}

/* 等级解读条 */
.grade-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:22px}
.gstrip{border-radius:13px;padding:14px 16px;font-size:12.5px;line-height:1.65;border:1px solid var(--line)}
.gstrip b{font-size:15px;display:block;margin-bottom:3px}
.gstrip.on{border-width:1.5px;box-shadow:0 6px 18px rgba(79,70,229,.1)}
.gstrip.gs-a{background:#f0fdf6}.gstrip.gs-a b{color:#059669}
.gstrip.gs-b{background:#f0f9ff}.gstrip.gs-b b{color:#0284c7}
.gstrip.gs-c{background:#fffbeb}.gstrip.gs-c b{color:#b45309}
.gstrip.gs-d{background:#fef2f2}.gstrip.gs-d b{color:#dc2626}
@media(max-width:900px){.grade-strip{grid-template-columns:1fr 1fr}}

/* 导航：分组下拉 */
.drop-in{min-width:200px}
.drop-in .di-t{font-size:11px;font-weight:800;color:#94a3b8;letter-spacing:1px;padding:8px 12px 3px;text-transform:uppercase}
.drop-in a{display:flex;align-items:center;gap:8px}
.drop-in a svg{color:#a5b0c8;flex-shrink:0}
.drop-in a:hover svg{color:var(--pri)}
.drop-in .di-cta{margin:6px 6px 4px;border-top:1px solid var(--line);padding-top:9px}
.menu .btn{margin-left:8px}
@media(max-width:900px){
  .menu .drop-in{position:static;display:flex;flex-direction:column;border:0;box-shadow:none;padding:0 0 0 12px;animation:none}
  .menu .drop>a{padding:4px 0}
}

/* ============ v6 信任条与玻璃拟态 ============ */
.trust-strip{background:linear-gradient(90deg,#4f46e5 0%,var(--pri) 45%,#0891b2 100%);padding:22px 0}
.trust-in{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.trust-i{text-align:center;color:#fff}
.trust-i b{display:block;font-size:26px;font-weight:800;letter-spacing:-.5px}
.trust-i span{font-size:12.5px;opacity:.85}
@media(max-width:820px){.trust-in{grid-template-columns:1fr 1fr;gap:14px}.trust-i b{font-size:21px}}

/* 导航玻璃拟态 */
.nav{backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
/* 卡片渐变描边（热点 SaaS 风格，克制使用） */
.tool-card{position:relative}
.tool-card::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:linear-gradient(135deg,rgba(99,102,241,.22),transparent 42%,rgba(8,145,178,.18));-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;opacity:0;transition:.25s}
.tool-card:hover::before{opacity:1}

/* ============ About v8 ============ */
.about-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ab-stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 16px;text-align:center}
.ab-stat b{display:block;font-size:30px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-.5px}
.ab-stat span{font-size:13px;color:var(--muted);margin-top:4px;display:block}
.ab-card{position:relative;padding-top:22px}
.ab-ic{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.ab-ic-yes{background:#ecfdf5;color:#059669}
.ab-ic-no{background:#fef2f2;color:#dc2626}
.ab-card h3{margin-bottom:10px}
.ab-card .todo{margin-top:6px}
.method-card{padding:22px}
.mc-h{display:flex;gap:12px;align-items:center;margin-bottom:12px}
.mc-h h3{font-size:16.5px}
.mc-sub{font-size:12.5px;color:var(--muted);font-family:ui-monospace,Consolas,monospace}
.mc-ic{width:40px;height:40px;flex-shrink:0;border-radius:11px;display:flex;align-items:center;justify-content:center}
.mc-keys{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0 8px}
.mc-keys .chip{font-size:12px;padding:4px 10px;background:#f6f7fd;border-color:#e6e9f4;color:#475069}
.method-card p{font-size:13.8px;color:#475569;line-height:1.75}
.ab-value{text-align:center;padding:24px 20px}
.ab-value .mc-ic{margin:0 auto 12px}
.ab-value h3{font-size:16px;margin-bottom:8px}
.ab-value p{font-size:13.5px;color:#475569}
@media(max-width:820px){.about-stats{grid-template-columns:1fr 1fr}}

/* ============ 文章完整排版（编辑器内容前台渲染） ============ */
.article-body h2{border-left:4px solid var(--pri);padding-left:12px}
.article-body h4{font-size:15.5px;margin:16px 0 8px;color:#334155}
.article-body ol{margin:10px 0 16px 22px;display:flex;flex-direction:column;gap:7px;color:#475569;font-size:15px}
.article-body ul{list-style:disc}
.article-body li::marker{color:#8a93a8}
.article-body a{color:#4f46e5;text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#4338ca}
.article-body blockquote{border-left:4px solid #c7cdf8;background:#f7f8ff;border-radius:0 10px 10px 0;padding:12px 18px;color:#4a5578;margin:14px 0;font-style:normal}
.article-body img{max-width:100%;height:auto;border-radius:10px;margin:14px 0;border:1px solid var(--line)}
.article-body table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}
.article-body th{background:#f4f6fd;color:#334155;font-weight:700;text-align:left}
.article-body th,.article-body td{border:1px solid #e3e8f2;padding:9px 13px;line-height:1.6}
.article-body tr:nth-child(even) td{background:#fafbfe}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:22px 0}
.article-body pre{background:#0f172a;color:#e2e8f0;border-radius:10px;padding:14px 16px;overflow:auto;font-size:13px;margin:14px 0}
.article-body pre code{background:none;border:0;color:inherit;padding:0}

/* ============ AI 深度解读 ============ */
.ai-card{border:1px solid #e4e2f7;background:linear-gradient(135deg,#fbfbff 0%,#f7f6ff 100%)}
.ai-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.ai-ic{width:42px;height:42px;flex-shrink:0;border-radius:12px;background:linear-gradient(135deg,var(--pri),#8b5cf6);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px rgba(99,102,241,.35)}
.ai-ttl{flex:1;min-width:220px}
.ai-ttl h3{margin:0}
.ai-ttl span{font-size:12.5px;color:var(--muted)}
.ai-actions{display:flex;gap:8px}
.btn.loading{opacity:.65;pointer-events:none}
.ai-out{margin-top:16px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 22px}
.ai-loading{display:flex;align-items:center;gap:10px;color:#6b74a0;font-size:14px;font-weight:600}
.ai-loading i{width:16px;height:16px;border-radius:50%;border:2.5px solid #d9dcf5;border-top-color:var(--pri);animation:aispin .8s linear infinite;flex-shrink:0}
@keyframes aispin{to{transform:rotate(360deg)}}
.ai-stream{white-space:pre-wrap;font-size:14px;line-height:1.8;color:#475069}
.ai-doc{font-size:14.5px;color:#334155;line-height:1.8}
.ai-doc h4{font-size:16.5px;margin:16px 0 8px;color:#1e293b;display:flex;align-items:center;gap:8px}
.ai-note{display:flex;align-items:flex-start;gap:6px;margin-top:14px;padding:10px 13px;background:#fff;border:1px dashed #d8def0;border-radius:10px;font-size:12.5px;color:#64748b;line-height:1.7}
.ai-note svg{flex-shrink:0;margin-top:2px}
.ai-note a{color:#4f46e5}
.dcl-src{margin-top:12px;padding:11px 14px;background:#f8fafc;border-left:3px solid #c7d2fe;border-radius:0 10px 10px 0;font-size:13px;color:#64748b;line-height:1.75}
.dcl-src b{color:#4338ca;font-weight:600}
.dcl-src a{color:#4f46e5}
.ai-doc h4::before{content:"";width:4px;height:16px;border-radius:2px;background:linear-gradient(180deg,var(--pri),#8b5cf6)}
.ai-doc h4:first-child{margin-top:0}
.ai-doc h5{font-size:14.5px;margin:13px 0 6px;color:#3f4a66}
.ai-doc ul{margin:8px 0 12px 20px;display:flex;flex-direction:column;gap:6px;color:#475569;font-size:14px}
.ai-doc p{margin-bottom:10px}
.ai-doc code{background:#f1f3fa;border:1px solid var(--line);border-radius:6px;padding:1px 7px;font-size:.88em;color:#4f46e5}

/* ============ 全站视觉打磨 ============ */
::selection{background:#c7cdf8;color:#1e1b4b}
html{scroll-behavior:smooth}
.card{transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.card:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(30,41,90,.08);border-color:#dfe3f2}
.btn-p{background:var(--grad);box-shadow:0 4px 14px rgba(79,70,229,.28)}
.btn-p:hover{transform:translateY(-1px);box-shadow:0 7px 20px rgba(79,70,229,.36)}
.btn{transition:transform .15s ease,box-shadow .15s ease,background .15s ease,border-color .15s ease}
.hero{position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-140px;right:-120px;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(99,102,241,.14),transparent 65%);pointer-events:none}
.hero::after{content:"";position:absolute;bottom:-160px;left:-100px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(139,92,246,.10),transparent 65%);pointer-events:none}
.hero .wrap{position:relative;z-index:1}
.chip{transition:background .15s ease,border-color .15s ease}
.res-ring{filter:drop-shadow(0 6px 18px rgba(99,102,241,.22))}
.sig-grid>div:hover{background:#f8f9ff}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ============ v11：FAQ 富文本排版 ============ */
.qa-a p{margin:0 0 8px;line-height:1.75}
.qa-a p:last-child{margin-bottom:0}
.qa-a ul,.qa-a ol{margin:6px 0 10px 20px;display:flex;flex-direction:column;gap:4px}
.qa-a table{width:100%;border-collapse:collapse;margin:10px 0;font-size:13.5px}
.qa-a th,.qa-a td{border:1px solid #e3e8f2;padding:7px 11px;text-align:left}
.qa-a th{background:#f4f6fd}
.qa-a a{color:#4f46e5;text-decoration:underline;text-underline-offset:3px}

/* ============ v12：单页分享报告 ============ */
.sh-wrap{max-width:860px}
.sh-type{display:inline-flex;align-items:center;gap:8px;font-size:.52em;font-weight:700;color:#4f46e5;background:#eef0ff;border:1px solid #e0e2fb;border-radius:20px;padding:7px 16px;vertical-align:middle}
.sh-head{display:flex;gap:26px;align-items:center;margin-bottom:18px}
.sh-score{display:flex;flex-direction:column;align-items:center;flex-shrink:0}
.sh-main{min-width:0}
.sh-main h2{font-size:21px;margin-bottom:8px}
.sh-sum{color:#475069;font-size:14.5px;line-height:1.75;margin-bottom:14px}
.sh-acts{display:flex;gap:9px;flex-wrap:wrap}
.dim-metric{color:var(--muted);font-size:12px;font-weight:500;margin-left:6px}
.sh-foot{display:flex;flex-direction:column;gap:6px;align-items:center;text-align:center;padding:22px 0 6px;font-size:13px}
@media(max-width:640px){.sh-head{flex-direction:column;text-align:center}.sh-acts{justify-content:center}}

/* ============ v12：打印样式（Ctrl+P / 打印按钮通用） ============ */
@media print{
  .nav,.foot,.crumb,.res-acts,.sh-acts,.tool-form,.btn,form.inline-del,.ai-actions,
  .hint,#aiCard,.copybar{display:none!important}
  body{background:#fff}
  .wrap{max-width:100%;padding:0 6mm}
  .sec{padding:8mm 0 0}
  .hero{padding:8mm 0 4mm;background:none}
  .hero-sm{padding:6mm 0 2mm}
  .card{box-shadow:none!important;border:1px solid #d7dce8!important;break-inside:avoid;margin-bottom:6mm}
  .result-head{break-inside:avoid}
  .res-grid{grid-template-columns:1fr 1fr}
  a{color:#1e293b;text-decoration:none}
  .foot-base{display:none}
}

/* ============ v13：导航重构 + 新品牌样式 ============ */
.nav{background:rgba(255,255,255,.92);box-shadow:0 1px 0 rgba(15,23,42,.03)}
.nav-in{height:66px}
.menu{gap:26px}
.menu>a,.drop>a{position:relative;font-size:15px;padding:7px 2px;transition:color .15s}
.menu>a.active,.drop>a.active{color:var(--pri)}
.menu>a.active::after,.drop>a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2.5px;border-radius:2px;background:linear-gradient(90deg,var(--pri),#8b5cf6)}
.drop-in{top:calc(100% + 8px);border-radius:14px;padding:9px;min-width:216px;box-shadow:0 16px 40px rgba(15,23,42,.12);border:1px solid #e6e9f4;animation:dropIn .16s ease}
@keyframes dropIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.drop::after{content:"";position:absolute;left:0;right:0;bottom:-10px;height:10px}
.drop-in a{padding:9px 12px;border-radius:9px}
.nav-cta{display:inline-flex;align-items:center;gap:7px;background:linear-gradient(135deg,var(--pri),#7c5cf6);color:#fff!important;font-weight:800;font-size:14.5px;padding:10px 20px;border-radius:12px;box-shadow:0 5px 16px rgba(99,102,241,.42),inset 0 1px 0 rgba(255,255,255,.22);letter-spacing:.3px;transition:transform .15s,box-shadow .15s;white-space:nowrap}
.nav-cta:hover{transform:translateY(-1.5px);box-shadow:0 9px 24px rgba(99,102,241,.5),inset 0 1px 0 rgba(255,255,255,.22)}
.nav-cta:active{transform:translateY(0)}
.nav-cta svg{filter:drop-shadow(0 0 6px rgba(255,255,255,.35))}
@media(max-width:900px){.nav-cta{padding:9px 14px;font-size:13.5px}}

/* ============ v13b：首页美化 ============ */
.sec-head .eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:800;letter-spacing:3px;color:var(--pri);background:#eef0ff;border:1px solid #e0e3fb;border-radius:999px;padding:5px 15px;margin-bottom:14px}
.tool-card{position:relative;overflow:hidden}
.tool-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--tc,var(--pri)),rgba(255,255,255,.35));opacity:0;transition:opacity .2s}
.tool-card:hover::before{opacity:1}
.tool-card .tstep{position:absolute;right:20px;top:16px;font-size:12px;font-weight:800;letter-spacing:1.5px;color:#c9cfe2;transition:color .2s}
.tool-card:hover .tstep{color:var(--tc,var(--pri))}
.tc-indigo{--tc:var(--pri)}.tc-cyan{--tc:#0891b2}.tc-violet{--tc:#8b5cf6}.tc-amber{--tc:#d97706}.tc-green{--tc:#059669}
.cta-band{position:relative;overflow:hidden;background:linear-gradient(130deg,#4f46e5 0%,#6d5cf0 52%,#0891b2 100%);border-radius:22px;padding:52px 40px;text-align:center;box-shadow:0 20px 50px rgba(79,70,229,.28)}
.cta-glow{position:absolute;inset:0;background:radial-gradient(420px 180px at 18% 0%,rgba(255,255,255,.16),transparent 60%),radial-gradient(420px 200px at 85% 100%,rgba(255,255,255,.12),transparent 60%);pointer-events:none}
.cta-band h2{color:#fff;font-size:clamp(22px,3vw,31px);font-weight:900;letter-spacing:-.3px;position:relative}
.cta-band p{color:rgba(255,255,255,.86);font-size:15.5px;margin:12px auto 0;max-width:560px;position:relative}
.cta-acts{display:flex;gap:14px;justify-content:center;margin-top:26px;flex-wrap:wrap;position:relative}
.btn-w{background:#fff;color:#4338ca;font-weight:800;box-shadow:0 6px 18px rgba(15,23,42,.18)}
.btn-w:hover{transform:translateY(-1.5px);box-shadow:0 10px 26px rgba(15,23,42,.24)}
.btn-g{border:1.5px solid rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.08)}
.btn-g:hover{background:rgba(255,255,255,.16)}
@media(max-width:640px){.cta-band{padding:38px 22px}}

/* ============ v14：全站深度美化（一致性层） ============ */

/* ---- 全局基础 ---- */
html{scroll-behavior:smooth}
body{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
:focus-visible{outline:2.5px solid #818cf8;outline-offset:2px;border-radius:4px}
::selection{background:#c7d2fe;color:#1e1b4b}
::-webkit-scrollbar-track{background:transparent}

/* ---- 导航：毛玻璃质感 ---- */
.nav{backdrop-filter:saturate(1.7) blur(14px);-webkit-backdrop-filter:saturate(1.7) blur(14px)}
.logo{transition:opacity .15s}
.logo:hover{opacity:.82}

/* ---- 内页面包屑 → 胶囊 ---- */
.crumb{display:inline-flex;align-items:center;flex-wrap:wrap;gap:2px 6px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 15px;box-shadow:var(--shadow)}
.crumb a{font-weight:600}
.crumb a:hover{text-decoration:underline}

/* ---- 区块节奏 ---- */
.sec{padding:64px 0}
.sec-alt{background:linear-gradient(180deg,#ffffff,#fafbfe)}
.sec-head p{font-size:15px;max-width:660px;margin-left:auto;margin-right:auto;line-height:1.7}

/* ---- 卡片体系统一 ---- */
.card,.tool-form,.qa,.hero-card{border-radius:16px}
.post .tag{border-radius:7px;transition:background .15s}
.post:hover .tag{background:#e0e3ff}
.qa{transition:border-color .16s,box-shadow .16s}
.qa:hover{border-color:#d5daf3}
.qa[open]{border-color:#c7cdf7;box-shadow:0 10px 26px rgba(79,70,229,.10)}
.qa summary{transition:color .15s}
.qa summary:hover{color:var(--pri)}
.article-body img{border-radius:14px;box-shadow:var(--shadow)}

/* ---- 按钮手感 ---- */
.btn:active{transform:translateY(0) scale(.985)}
.btn-o:hover{transform:translateY(-1px)}
.btn-s{border-radius:10px}

/* ---- 页脚 ---- */
.foot h4{display:flex;align-items:center;gap:8px;letter-spacing:.5px}
.foot h4::before{content:"";width:14px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--pri),#22d3ee);flex-shrink:0}
.foot a{transition:color .15s,transform .15s}
.foot a:hover{transform:translateX(3px)}
.foot-base{margin-top:44px;padding:20px 22px;color:#8b93a7;line-height:1.8}
.foot-base a{display:inline;color:#a5b4fc}
.foot-base a:hover{transform:none;color:#c7d2fe}
.foot .logo:hover{opacity:1}

/* ---- 返回顶部 ---- */
.to-top{position:fixed;right:26px;bottom:26px;width:44px;height:44px;border-radius:13px;background:#fff;border:1px solid var(--line);box-shadow:0 8px 22px rgba(15,23,42,.14);display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .22s,transform .22s,visibility .22s,background .15s,color .15s;z-index:60;color:#4f46e5;padding:0}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--pri);border-color:var(--pri);color:#fff}
@media(max-width:640px){.to-top{right:16px;bottom:16px;width:40px;height:40px}}

/* ===== v18 层：诊断动态 / 竞品对比 / 爬虫检测 / EN ===== */
/* 首页实时诊断动态条 */
.feed-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(90deg,#fbfbff, #f6f7fb 40%, #fbfbff);overflow:hidden}
.feed-in{display:flex;align-items:center;gap:14px;padding:12px 20px}
.feed-cap{flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;color:var(--pri);background:#eef2ff;border:1px solid #e0e7ff;border-radius:99px;padding:5px 12px}
.feed-scroll{display:flex;align-items:center;gap:22px;overflow-x:auto;scrollbar-width:none;mask-image:linear-gradient(90deg,#000 88%,transparent)}
.feed-scroll::-webkit-scrollbar{display:none}
.feed-item{flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--muted);white-space:nowrap}
.feed-item b{color:var(--ink);font-weight:600}
.feed-score{color:var(--pri)!important}
.feed-t{font-size:11px;color:#a5b0c2}
.lv-dot{width:22px;height:22px;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;font-size:11.5px;font-weight:700;color:#fff}
.lv-A{background:var(--green)}.lv-B{background:var(--info)}.lv-C{background:var(--amber)}.lv-D{background:var(--red)}
@media(max-width:640px){.feed-in{padding:10px 14px}.feed-cap span{display:none}}

/* 竞品对比 */
.cmp-form .cmp-rows{display:grid;gap:9px}
.cmp-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin-top:22px}
.cmp-card{position:relative;text-align:center;padding:26px 20px 20px}
.cmp-card h3{font-size:17px}
.cmp-card .cmp-url{font-size:12px;color:var(--muted);word-break:break-all;margin:4px 0 12px}
.cmp-card .dim-row{text-align:left}
.cmp-best{border:2px solid var(--pri);box-shadow:0 10px 30px rgba(99,102,241,.16)}
.cmp-crown{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:11.5px;font-weight:600;border-radius:99px;padding:4px 14px;display:inline-flex;align-items:center;gap:5px;white-space:nowrap}
.cmp-bns{margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);text-align:left;font-size:12.5px}
.cmp-bns b{color:var(--ink);font-size:12px}
.cmp-bns ul{margin:6px 0 0 18px;color:var(--muted)}
.cmp-bns li{margin:3px 0}

/* AI 爬虫检测 */
.bot-card{display:flex;gap:14px;align-items:center;text-align:left}
.bot-card b{display:block;font-size:14.5px}
.bot-card span{display:block;font-size:12.5px;color:var(--muted)}
.bot-n{color:var(--pri);font-size:15px}
.bot-card .meta{font-size:11px;color:#a5b0c2}
.t-ok{color:var(--green)}.t-fail{color:var(--red)}

/* 检测进度计数 */
.scan-ov-count{margin-top:8px;font-size:12.5px;color:#94a3b8}
.scan-ov-count b{color:var(--pri);font-size:15px;font-weight:700}

/* EN 语言切换 */
.nav-en{font-size:12px;font-weight:700;color:var(--muted);border:1.5px solid var(--line);border-radius:99px;padding:3px 10px;transition:all .15s}
.nav-en:hover{color:var(--pri);border-color:var(--pri)}

/* ============ v20 层：可达性 / 一致性 / 组件补齐 ============ */

/* ---- 导航下拉：按钮触发器（外观与原 a 一致） ---- */
.drop-btn{display:inline-flex;align-items:center;position:relative;background:none;border:0;cursor:pointer;font-family:inherit;color:#475569;font-weight:600;font-size:15px;padding:7px 2px;transition:color .15s}
.drop-btn:hover{color:var(--pri)}
.drop-btn.active{color:var(--pri)}
.drop-btn.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2.5px;border-radius:2px;background:linear-gradient(90deg,var(--pri),#8b5cf6)}
.drop-btn:focus-visible{outline:2.5px solid #818cf8;outline-offset:2px;border-radius:4px}
/* 三种展开方式并存：点击(.open) / 悬停 / 键盘焦点 */
.drop.open .drop-in,.drop:hover .drop-in,.drop:focus-within .drop-in{display:block}

/* ---- 按钮补齐 ---- */
.btn-xs{padding:4px 9px;font-size:12px;border-radius:8px}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn-danger{background:#fef2f2;border:1px solid #fecaca;color:#dc2626}
.btn-danger:hover{background:#fee2e2}
.mt-4{margin-top:16px}
.mt-5{margin-top:24px}
.mt-6{margin-top:32px}

/* ---- EN 独立页顶栏（page.en.php / page.enscan.php） ---- */
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.topbar-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:inline-flex;align-items:center;gap:9px;font-weight:800;font-size:19px;color:var(--ink)}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:7px;background:var(--pri);color:#fff;font-size:14px;font-weight:900;box-shadow:0 3px 10px rgba(79,70,229,.38)}

/* ---- article 404 卡标题居中（配合模板 inline justify-content:center） ---- */
.card>h2{display:flex;align-items:center;gap:8px}

/* ---- hero-sm 单列化：crumb 在上、标题在下；图标与标题同行 ---- */
.hero-sm .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px}
.hero-sm .wrap>.crumb{flex:1 1 100%}
.hero-sm .wrap>.page-hero-ic{margin-bottom:0}
.hero-sm .wrap>.lead{flex:1 1 100%;margin-top:0}
.hero-sm .wrap>.chips{flex:1 1 100%;margin-top:0}
.hero-sm .wrap>*{min-width:0}
/* crumb 去阴影（v14 胶囊阴影与单列布局冲突） */
.crumb{box-shadow:none}

/* ---- 徽标归并 ---- */
.tag,.ev-tag,.prompt-lang{border-radius:8px;padding:2px 8px;font-size:12px;font-weight:700}

/* ---- 行长控制 ---- */
.qa-a{max-width:720px}
.card.article .article-body{max-width:760px}

/* ---- 表格窄屏滚动 ---- */
.tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.tbl-scroll table{min-width:640px}
.article-body{overflow-x:auto}

/* ---- 页脚链接 hover 过渡 ---- */
.foot a{transition:color .18s,transform .18s}
.foot a:hover{color:#e5e7eb}

/* ---- 移动端菜单内下拉微调（按钮触发器行高对齐） ---- */
@media(max-width:900px){
  .menu .drop-btn{padding:4px 0}
}