/* ============================================================
 * AR Theme 主样式（AI率通 / 降AI率专题站）
 * 配色：紫罗兰 #6C4CF1 · 青 #22D3EE · 琥珀 #F59E0B（变量由 config 内联注入）
 * 命名体系：stage/panel/deck/casegrid/railsteps/voicewall/foldlist/toolbox
 * ============================================================ */

:root {
    --ar-primary: #6C4CF1;
    --ar-secondary: #22D3EE;
    --ar-accent: #F59E0B;
    --ar-ink: #1B1638;
    --ar-ink-soft: #4A4566;
    --ar-paper: #FFFFFF;
    --ar-tint: #F4F2FD;
    --ar-dark: #151029;
    --ar-dark-2: #1E1740;
    --ar-line: #E4E0F4;
    --ar-good: #10B981;
    --ar-bad: #F43F5E;
    --ar-radius: 14px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
    color: var(--ar-ink);
    background: var(--ar-paper);
    line-height: 1.7;
    font-size: 16px;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--ar-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.shell { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.shell--narrow { max-width: 860px; }

/* ---------- 按钮 ---------- */
.btnx {
    display: inline-block;
    padding: 12px 26px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 15px;
    line-height: 1.4;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
    text-align: center;
}
.btnx:hover { text-decoration: none; transform: translateY(-2px); }
.btnx--primary { background: var(--ar-primary); color: #fff; }
.btnx--primary:hover { box-shadow: 0 8px 20px rgba(108, 76, 241, .35); color: #fff; }
.btnx--amber { background: var(--ar-accent); color: #2A1B00; }
.btnx--amber:hover { box-shadow: 0 8px 20px rgba(245, 158, 11, .4); color: #2A1B00; }
.btnx--ghost { background: transparent; border-color: var(--ar-primary); color: var(--ar-primary); }
.btnx--ghost:hover { background: var(--ar-tint); }
.btnx--ghost-light { background: transparent; border-color: rgba(255, 255, 255, .55); color: #fff; }
.btnx--ghost-light:hover { border-color: #fff; color: #fff; }
.btnx--dark { background: var(--ar-ink); color: #fff; }
.btnx--dark:hover { color: #fff; box-shadow: 0 8px 18px rgba(27, 22, 56, .3); }
.btnx--lg { padding: 15px 34px; font-size: 17px; }

/* ---------- 顶条 + 头部 ---------- */
.topline { background: var(--ar-dark); color: rgba(255, 255, 255, .75); font-size: 13px; }
.topline-in { display: flex; justify-content: space-between; gap: 12px; padding-top: 7px; padding-bottom: 7px; }

.masthead {
    position: sticky; top: 0; z-index: 90;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--ar-line);
}
.masthead-row { display: flex; align-items: center; gap: 22px; padding-top: 12px; padding-bottom: 12px; }

.brandlock-link { display: flex; align-items: center; gap: 10px; }
.brandlock-link:hover { text-decoration: none; }
.brandlock-icon { border-radius: 9px; }
.brandlock-text { display: flex; flex-direction: column; line-height: 1.2; }
.brandlock-cn { font-size: 19px; color: var(--ar-ink); letter-spacing: .5px; }
.brandlock-en { font-size: 11px; color: var(--ar-ink-soft); text-transform: uppercase; letter-spacing: 1.5px; }

.menuwrap { flex: 1; }
.menuwrap .menu { display: flex; gap: 4px; list-style: none; justify-content: center; }
.menuwrap .menu > li { position: relative; }
.menuwrap .menu a {
    display: block; padding: 10px 13px; color: var(--ar-ink);
    font-size: 15px; border-radius: 8px;
}
.menuwrap .menu a:hover { background: var(--ar-tint); color: var(--ar-primary); text-decoration: none; }
.menuwrap .sub-menu {
    display: none; position: absolute; top: 100%; left: 0; min-width: 200px;
    background: #fff; border: 1px solid var(--ar-line); border-radius: 10px;
    box-shadow: 0 14px 34px rgba(27, 22, 56, .12); list-style: none; padding: 8px; z-index: 95;
}
.menuwrap .menu > li:hover .sub-menu,
.menuwrap .menu > li.sub-open .sub-menu { display: block; }
.menuwrap .sub-menu a { padding: 9px 12px; white-space: nowrap; }

.head-cta { flex-shrink: 0; }

.burger { display: none; background: none; border: 0; width: 42px; height: 42px; cursor: pointer; padding: 9px; }
.burger i { display: block; height: 2px; background: var(--ar-ink); margin: 5px 0; border-radius: 2px; transition: .2s; }
.burger.is-active i:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-active i:nth-child(2) { opacity: 0; }
.burger.is-active i:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.stage {
    background: radial-gradient(1100px 500px at 85% -10%, rgba(34, 211, 238, .22), transparent 60%),
                radial-gradient(900px 480px at 10% 110%, rgba(108, 76, 241, .35), transparent 60%),
                linear-gradient(160deg, var(--ar-dark) 0%, var(--ar-dark-2) 100%);
    color: #fff;
    padding: 74px 0 80px;
}
.stage-grid { display: grid; grid-template-columns: 1.25fr .85fr; gap: 48px; align-items: center; }
.stage-kicker { color: var(--ar-secondary); font-size: 14px; letter-spacing: 2px; margin-bottom: 14px; font-weight: 600; }
.stage-title { font-size: 44px; line-height: 1.25; margin-bottom: 18px; letter-spacing: .5px; }
.stage-sub { color: rgba(255, 255, 255, .82); font-size: 17px; margin-bottom: 30px; max-width: 560px; }
.stage-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 26px; }
.proof-badges { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; margin-bottom: 20px; }
.proof-badge {
    font-size: 13px; color: rgba(255, 255, 255, .9);
    border: 1px solid rgba(255, 255, 255, .28); border-radius: 999px;
    padding: 5px 14px;
}
.scoreline { display: flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255, 255, 255, .85); }
.scoreline .stars { color: var(--ar-accent); }
.scoreline strong { font-size: 17px; color: #fff; }

.gauge-card {
    background: rgba(255, 255, 255, .07);
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 18px;
    padding: 26px 26px 22px;
    backdrop-filter: blur(4px);
}
.gauge-cap { font-size: 13px; color: rgba(255, 255, 255, .65); margin-bottom: 16px; letter-spacing: 1px; }
.gauge-note { font-size: 13px; color: rgba(255, 255, 255, .6); margin-top: 14px; }
.gauge-card--case { background: var(--ar-tint); border-color: var(--ar-line); margin: 0 0 26px; }
.gauge-card--case .gauge-cap, .gauge-card--case .gauge-note { color: var(--ar-ink-soft); }

/* before/after 对比条 */
.delta { display: flex; flex-direction: column; gap: 12px; }
.delta-line { display: grid; grid-template-columns: 52px 1fr 56px; align-items: center; gap: 10px; }
.delta-tag { font-size: 13px; opacity: .85; }
.delta-track { height: 14px; background: rgba(127, 127, 160, .25); border-radius: 999px; overflow: hidden; }
.delta-fill { display: block; height: 100%; border-radius: 999px; }
.delta-fill--bad { background: linear-gradient(90deg, #FB7185, var(--ar-bad)); }
.delta-fill--good { background: linear-gradient(90deg, var(--ar-secondary), var(--ar-good)); }
.delta-num { font-size: 20px; text-align: right; }
.delta-num--bad { color: #FB7185; }
.delta-num--good { color: var(--ar-secondary); }

/* ---------- 检测平台覆盖带 ---------- */
.chipstrip { background: #fff; border-bottom: 1px solid var(--ar-line); }
.chipstrip-in { display: flex; align-items: center; gap: 18px; padding-top: 16px; padding-bottom: 16px; flex-wrap: wrap; }
.chipstrip-label { font-size: 13px; color: var(--ar-ink-soft); letter-spacing: 1px; flex-shrink: 0; }
.chipstrip-row { display: flex; flex-wrap: wrap; gap: 10px; }
.chipitem {
    display: inline-block; font-size: 13px; font-weight: 600;
    background: var(--ar-tint); color: var(--ar-ink);
    border: 1px solid var(--ar-line); border-radius: 999px;
    padding: 5px 14px;
}
.chipitem--violet { background: rgba(108, 76, 241, .12); color: var(--ar-primary); border-color: rgba(108, 76, 241, .35); }
.chipitem--link:hover { background: var(--ar-primary); color: #fff; text-decoration: none; }

/* ---------- 通用 section ---------- */
.panel { padding: 66px 0; }
.panel--tint { background: var(--ar-tint); }
.panel--dark {
    background: radial-gradient(800px 380px at 80% 0%, rgba(108, 76, 241, .3), transparent 60%), var(--ar-dark);
    color: #fff;
}
.panel-head { text-align: center; max-width: 720px; margin: 0 auto 42px; }
.panel-kicker { color: var(--ar-primary); font-size: 13px; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase; margin-bottom: 10px; }
.panel--dark .panel-kicker { color: var(--ar-secondary); }
.panel-title { font-size: 32px; line-height: 1.3; letter-spacing: .5px; }
.panel-sub { color: var(--ar-ink-soft); margin-top: 12px; }
.panel--dark .panel-sub { color: rgba(255, 255, 255, .72); }
.panel-more { text-align: center; margin-top: 34px; }

/* ---------- 三原因块 ---------- */
.triplet { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.triplet-cell {
    background: #fff; border: 1px solid var(--ar-line); border-radius: var(--ar-radius);
    padding: 26px 24px; position: relative;
}
.triplet-no {
    display: inline-flex; align-items: center; justify-content: center;
    width: 34px; height: 34px; border-radius: 10px;
    background: linear-gradient(135deg, var(--ar-primary), #9D8BFF);
    color: #fff; font-weight: 700; margin-bottom: 14px;
}
.triplet-cell h3 { font-size: 18px; margin-bottom: 10px; }
.triplet-cell p { color: var(--ar-ink-soft); font-size: 14.5px; }

/* ---------- 服务卡片 deck ---------- */
.deck { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.deck-card {
    display: block; background: #fff; border: 1px solid var(--ar-line);
    border-radius: var(--ar-radius); padding: 26px 24px;
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.deck-card:hover {
    transform: translateY(-5px); text-decoration: none;
    border-color: rgba(108, 76, 241, .45);
    box-shadow: 0 16px 34px rgba(108, 76, 241, .14);
}
.deck-ico {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 48px; height: 48px; padding: 0 10px; border-radius: 12px;
    background: linear-gradient(135deg, var(--ar-primary), var(--ar-secondary));
    color: #fff; font-weight: 800; font-size: 15px; margin-bottom: 16px;
}
.deck-name { font-size: 19px; color: var(--ar-ink); margin-bottom: 10px; }
.deck-txt { color: var(--ar-ink-soft); font-size: 14.5px; margin-bottom: 14px; }
.deck-go { color: var(--ar-primary); font-weight: 600; font-size: 14px; }

/* ---------- 案例卡 ---------- */
.casegrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.casegrid--page { margin-bottom: 30px; }
.casecard {
    display: block; background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: var(--ar-radius); padding: 24px 22px; color: #fff;
    transition: transform .18s ease, border-color .18s ease;
}
.casecard:hover { transform: translateY(-4px); text-decoration: none; border-color: rgba(34, 211, 238, .5); color: #fff; }
.casecard-top { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.casecard-title { font-size: 17.5px; line-height: 1.45; margin-bottom: 16px; }
.casecard-meta { display: flex; gap: 14px; margin-top: 14px; font-size: 13px; color: rgba(255, 255, 255, .65); }
.casegrid--page .casecard { background: #fff; border-color: var(--ar-line); color: var(--ar-ink); }
.casegrid--page .casecard:hover { color: var(--ar-ink); border-color: rgba(108, 76, 241, .45); }
.casegrid--page .casecard-meta { color: var(--ar-ink-soft); }
.casegrid--page .casecard-title { color: var(--ar-ink); }

/* ---------- 对比表 ---------- */
.vs-wrap { overflow-x: auto; }
.vs-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--ar-radius); overflow: hidden; box-shadow: 0 6px 24px rgba(27, 22, 56, .07); }
.vs-table th, .vs-table td { padding: 15px 18px; text-align: left; border-bottom: 1px solid var(--ar-line); font-size: 14.5px; vertical-align: top; }
.vs-table thead th { background: var(--ar-dark); color: #fff; font-size: 14px; letter-spacing: .5px; }
.vs-table thead .vs-col-good { background: var(--ar-primary); }
.vs-table tbody th { width: 130px; color: var(--ar-ink); font-weight: 700; }
.vs-cell-good { color: var(--ar-ink); background: rgba(16, 185, 129, .07); }
.vs-cell-bad { color: var(--ar-ink-soft); }

/* ---------- 自测工具入口带 ---------- */
.toolband {
    background: linear-gradient(120deg, rgba(108, 76, 241, .1), rgba(34, 211, 238, .12));
    border-top: 1px solid var(--ar-line); border-bottom: 1px solid var(--ar-line);
    padding: 60px 0;
}
.toolband-in { display: grid; grid-template-columns: 1.3fr .7fr; gap: 40px; align-items: center; }
.toolband-copy p { color: var(--ar-ink-soft); margin: 10px 0 22px; }
.toolband-copy .panel-title { text-align: left; }
.toolband-copy .panel-kicker { text-align: left; }
.tooldemo {
    background: #fff; border: 1px solid var(--ar-line); border-radius: 18px;
    padding: 30px 26px; text-align: center; box-shadow: 0 18px 40px rgba(108, 76, 241, .12);
}
.tooldemo-bar { height: 14px; background: var(--ar-tint); border-radius: 999px; overflow: hidden; margin-bottom: 16px; }
.tooldemo-bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--ar-accent), var(--ar-bad)); border-radius: 999px; }
.tooldemo-num { font-size: 40px; font-weight: 800; color: var(--ar-bad); line-height: 1; }
.tooldemo-cap { font-size: 13px; color: var(--ar-ink-soft); margin-top: 8px; }

/* ---------- 流程步骤 ---------- */
.railsteps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; list-style: none; counter-reset: step; }
.railstep {
    background: #fff; border: 1px solid var(--ar-line); border-radius: var(--ar-radius);
    padding: 24px 20px; position: relative;
}
.railstep-no {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: 50%;
    background: linear-gradient(135deg, var(--ar-primary), var(--ar-secondary));
    color: #fff; font-weight: 800; font-size: 17px; margin-bottom: 14px;
}
.railstep h3 { font-size: 17px; margin-bottom: 8px; }
.railstep p { color: var(--ar-ink-soft); font-size: 14px; }
.railsteps--page { margin: 30px 0 10px; }

/* ---------- 价格表 ---------- */
.feetable-wrap { overflow-x: auto; }
.feetable { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--ar-radius); overflow: hidden; box-shadow: 0 6px 24px rgba(27, 22, 56, .07); }
.feetable th, .feetable td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--ar-line); font-size: 14.5px; }
.feetable thead th { background: var(--ar-dark); color: #fff; font-size: 14px; }
.fee-note { font-size: 13px; color: var(--ar-ink-soft); margin-top: 16px; }
.fee-more { margin-top: 14px; }

/* ---------- 用户评价 ---------- */
.voicewall { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.voicetile {
    background: #fff; border: 1px solid var(--ar-line); border-radius: var(--ar-radius);
    padding: 24px 22px; display: flex; flex-direction: column; gap: 12px;
}
.vt-stars .stars, .stars { color: var(--ar-accent); font-size: 15px; letter-spacing: 1px; }
.vt-text { color: var(--ar-ink); font-size: 14.5px; flex: 1; }
.vt-who { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.vt-face {
    width: 38px; height: 38px; border-radius: 50%; color: #fff;
    display: inline-flex; align-items: center; justify-content: center;
    font-weight: 700; flex-shrink: 0;
}
.vt-who strong { display: block; font-size: 14px; }
.vt-who small { color: var(--ar-ink-soft); }
.vt-svc {
    margin-left: auto; font-size: 12px; background: var(--ar-tint);
    border-radius: 999px; padding: 3px 10px; color: var(--ar-primary); white-space: nowrap;
}

/* ---------- FAQ 手风琴 ---------- */
.foldlist { display: flex; flex-direction: column; gap: 12px; }
.folditem { background: #fff; border: 1px solid var(--ar-line); border-radius: 12px; overflow: hidden; }
.foldq {
    width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 14px;
    background: none; border: 0; padding: 17px 20px; cursor: pointer;
    font-size: 15.5px; font-weight: 600; color: var(--ar-ink); text-align: left;
}
.foldico { position: relative; width: 16px; height: 16px; flex-shrink: 0; }
.foldico::before, .foldico::after {
    content: ""; position: absolute; background: var(--ar-primary); border-radius: 2px;
    transition: transform .2s ease;
}
.foldico::before { left: 0; top: 7px; width: 16px; height: 2px; }
.foldico::after { left: 7px; top: 0; width: 2px; height: 16px; }
.folditem.is-open .foldico::after { transform: scaleY(0); }
.folda { display: none; padding: 0 20px 18px; color: var(--ar-ink-soft); font-size: 14.5px; }
.folditem.is-open .folda { display: block; }

/* ---------- 最新文章卡 ---------- */
.notegrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.notecard { background: #fff; border: 1px solid var(--ar-line); border-radius: var(--ar-radius); overflow: hidden; }
.notecard-thumb { display: block; aspect-ratio: 21/13; background: var(--ar-tint); overflow: hidden; }
.notecard-thumb img { width: 100%; height: 100%; object-fit: cover; }
.notecard-thumb-empty {
    display: flex; align-items: center; justify-content: center; height: 100%;
    font-size: 44px; font-weight: 800; color: rgba(108, 76, 241, .35);
}
.notecard-info { padding: 18px 20px 20px; }
.notecard-info time { font-size: 12.5px; color: var(--ar-ink-soft); }
.notecard-info h3 { font-size: 16.5px; line-height: 1.5; margin: 8px 0; }
.notecard-info h3 a { color: var(--ar-ink); }
.notecard-info p { font-size: 13.5px; color: var(--ar-ink-soft); }

/* ---------- 底部 CTA / SEO 长文 ---------- */
.ctaslab {
    background: radial-gradient(700px 300px at 50% 0%, rgba(34, 211, 238, .2), transparent 65%), var(--ar-dark);
    color: #fff; text-align: center; padding: 64px 0;
}
.ctaslab-in h2, .ctaslab h2 { font-size: 30px; margin-bottom: 12px; }
.ctaslab p { color: rgba(255, 255, 255, .75); margin-bottom: 26px; }
.ctaslab--inner { border-radius: 18px; margin-top: 36px; padding: 44px 24px; }

.seoslab { background: #FBFAFF; border-top: 1px solid var(--ar-line); padding: 44px 0; }
.seoslab-text { font-size: 13.5px; color: var(--ar-ink-soft); }
.seoslab-text p { margin-bottom: 12px; }
.anchormesh { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.anchormesh a {
    font-size: 13px; color: var(--ar-primary); background: rgba(108, 76, 241, .08);
    border-radius: 999px; padding: 4px 13px;
}
.anchormesh a:hover { background: var(--ar-primary); color: #fff; text-decoration: none; }

/* ---------- 页脚 ---------- */
.footerdock { background: var(--ar-dark); color: rgba(255, 255, 255, .8); }
.footgrid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.1fr; gap: 34px; padding-top: 52px; padding-bottom: 40px; }
.footcap { color: #fff; font-size: 17px; margin-bottom: 14px; }
.footcell p { font-size: 14px; }
.footlinks { list-style: none; display: flex; flex-direction: column; gap: 9px; font-size: 14px; }
.footlinks a { color: rgba(255, 255, 255, .8); }
.footlinks a:hover { color: var(--ar-secondary); }
.footcta { color: var(--ar-secondary) !important; font-weight: 600; }
.footnav { margin-top: 16px; }
.footmenu { display: flex; flex-wrap: wrap; gap: 6px 16px; list-style: none; font-size: 13px; }
.footmenu a { color: rgba(255, 255, 255, .65); }
.footbase { border-top: 1px solid rgba(255, 255, 255, .1); padding: 20px 0; font-size: 12.5px; }
.footlaw { color: rgba(255, 255, 255, .5); margin-bottom: 8px; }
.footcopy { color: rgba(255, 255, 255, .45); }

/* ---------- 悬浮 CTA ---------- */
.floatcta {
    position: fixed; right: 22px; bottom: 26px; z-index: 96;
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    background: linear-gradient(135deg, var(--ar-primary), var(--ar-secondary));
    color: #fff; border-radius: 16px; padding: 12px 16px;
    box-shadow: 0 12px 30px rgba(108, 76, 241, .45);
    font-size: 12.5px; font-weight: 600;
}
.floatcta:hover { color: #fff; text-decoration: none; transform: translateY(-3px); }

/* ---------- 内页通用 ---------- */
.pagewrap { padding: 34px 0 60px; }
.crumbs { font-size: 13px; color: var(--ar-ink-soft); margin-bottom: 22px; }
.crumbs a { color: var(--ar-primary); }
.crumbs-sep { margin: 0 8px; color: var(--ar-line); }
.crumbs-now { color: var(--ar-ink); }

.paper { max-width: 860px; margin: 0 auto; }
.paper-head { margin-bottom: 24px; }
.paper-head h1 { font-size: 34px; line-height: 1.35; margin-bottom: 14px; }
.paper-intro { font-size: 16px; color: var(--ar-ink-soft); margin-bottom: 18px; }
.paper-ctas { margin: 16px 0 6px; }
.paper-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; font-size: 13.5px; color: var(--ar-ink-soft); }
.paper-cat { background: var(--ar-tint); border-radius: 999px; padding: 3px 12px; font-size: 12.5px; }
.paper-figure { margin: 0 0 26px; border-radius: var(--ar-radius); overflow: hidden; }
.paper-body { font-size: 16px; }
.paper-body h2 { font-size: 24px; margin: 34px 0 14px; }
.paper-body h3 { font-size: 19px; margin: 26px 0 10px; }
.paper-body p { margin-bottom: 16px; }
.paper-body ul, .paper-body ol { margin: 0 0 16px 22px; }
.paper-body li { margin-bottom: 8px; }
.paper-body a { text-decoration: underline; }
.paper-block { margin-top: 34px; }
.paper-block > h2 { font-size: 24px; margin-bottom: 18px; }
.paper-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }

.ticklist { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.ticklist li {
    position: relative; padding: 14px 16px 14px 44px;
    background: #fff; border: 1px solid var(--ar-line); border-radius: 10px; font-size: 15px;
}
.ticklist li::before {
    content: "✓"; position: absolute; left: 16px; top: 13px;
    color: var(--ar-secondary); font-weight: 800;
}
.ticklist--violet li::before { color: var(--ar-primary); }

.bylinebox {
    display: flex; gap: 16px; align-items: flex-start;
    background: var(--ar-tint); border-radius: var(--ar-radius);
    padding: 20px; margin-top: 32px;
}
.bylinebox-face {
    width: 52px; height: 52px; border-radius: 50%; color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; font-weight: 800; flex-shrink: 0;
}
.bylinebox-name { font-weight: 700; margin-bottom: 6px; }
.bylinebox-role { font-size: 12px; color: var(--ar-ink-soft); font-weight: 400; margin-left: 10px; }
.bylinebox-info p { font-size: 13.5px; color: var(--ar-ink-soft); }

.prevnext { display: flex; justify-content: space-between; gap: 16px; margin-top: 36px; max-width: 860px; margin-left: auto; margin-right: auto; }
.prevnext a { font-size: 14px; }

/* ---------- 两栏布局 / 侧栏 ---------- */
.cols { display: grid; grid-template-columns: 1fr 300px; gap: 36px; }
.cols-main .paper { max-width: none; }
.siderail .widget { background: #fff; border: 1px solid var(--ar-line); border-radius: var(--ar-radius); padding: 20px; margin-bottom: 20px; }
.siderail .widget-title { font-size: 16px; margin-bottom: 12px; }
.siderail .widget ul { list-style: none; display: flex; flex-direction: column; gap: 8px; font-size: 14px; }
.siderail .widget--cta { background: var(--ar-tint); border-color: rgba(108, 76, 241, .3); }
.siderail .widget--cta p { font-size: 13.5px; color: var(--ar-ink-soft); margin-bottom: 14px; }

/* ---------- 归档 ---------- */
.archhead { margin-bottom: 30px; }
.archhead h1 { font-size: 30px; margin-bottom: 8px; }
.archhead p { color: var(--ar-ink-soft); }
.archlist { display: flex; flex-direction: column; gap: 20px; }
.architem {
    display: grid; grid-template-columns: 220px 1fr; gap: 20px;
    background: #fff; border: 1px solid var(--ar-line); border-radius: var(--ar-radius);
    padding: 18px; align-items: center;
}
.architem--flat { grid-template-columns: 1fr; }
.architem-thumb { border-radius: 10px; overflow: hidden; aspect-ratio: 21/13; background: var(--ar-tint); }
.architem-thumb img { width: 100%; height: 100%; object-fit: cover; }
.architem-info time { font-size: 12.5px; color: var(--ar-ink-soft); }
.architem-info h2 { font-size: 18px; margin: 6px 0 8px; line-height: 1.45; }
.architem-info h2 a { color: var(--ar-ink); }
.architem-info p { font-size: 14px; color: var(--ar-ink-soft); margin-bottom: 8px; }
.golink { font-size: 14px; font-weight: 600; }
.archemtpy { text-align: center; color: var(--ar-ink-soft); padding: 40px 0; }
.pager { margin-top: 30px; text-align: center; }
.pager .page-numbers {
    display: inline-block; padding: 8px 14px; margin: 0 3px;
    border: 1px solid var(--ar-line); border-radius: 8px; font-size: 14px; color: var(--ar-ink);
}
.pager .page-numbers.current { background: var(--ar-primary); border-color: var(--ar-primary); color: #fff; }

/* ---------- 保障格 ---------- */
.guargrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.guarcell { background: #fff; border: 1px solid var(--ar-line); border-radius: var(--ar-radius); padding: 20px; }
.guarcell h3 { font-size: 16px; margin-bottom: 8px; color: var(--ar-primary); }
.guarcell p { font-size: 13.5px; color: var(--ar-ink-soft); }

/* ---------- 自测工具 ---------- */
.toolbox { background: #fff; border: 1px solid var(--ar-line); border-radius: 18px; padding: 28px; margin-bottom: 10px; box-shadow: 0 10px 34px rgba(108, 76, 241, .08); }
.toolbox-label { display: block; font-weight: 600; margin-bottom: 10px; }
.toolbox-area {
    width: 100%; border: 1.5px solid var(--ar-line); border-radius: 12px;
    padding: 14px; font-size: 14.5px; line-height: 1.7; resize: vertical;
    font-family: inherit; color: var(--ar-ink);
}
.toolbox-area:focus { outline: none; border-color: var(--ar-primary); }
.toolbox-actions { display: flex; align-items: center; gap: 16px; margin-top: 14px; }
.toolbox-count { font-size: 13px; color: var(--ar-ink-soft); }
.toolbox-note { font-size: 12.5px; color: var(--ar-ink-soft); margin-top: 12px; }
.toolbox-result { margin-top: 26px; border-top: 1px dashed var(--ar-line); padding-top: 24px; }
.gauge { text-align: center; margin-bottom: 22px; }
.gauge-track { height: 16px; background: var(--ar-tint); border-radius: 999px; overflow: hidden; margin-bottom: 14px; }
.gauge-fill { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--ar-good), var(--ar-accent), var(--ar-bad)); transition: width 1s ease; }
.gauge-big { font-size: 52px; font-weight: 800; line-height: 1; color: var(--ar-ink); }
.gauge-band { font-size: 15px; font-weight: 600; margin-top: 8px; }
.gauge-band.is-low { color: var(--ar-good); }
.gauge-band.is-mid { color: var(--ar-accent); }
.gauge-band.is-high { color: var(--ar-bad); }
.toolsignals { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.toolsignals li {
    background: var(--ar-tint); border-radius: 10px; padding: 12px 16px;
    font-size: 14px; color: var(--ar-ink);
}
.toolsignals li strong { color: var(--ar-primary); }
.tooladvice { font-size: 14.5px; color: var(--ar-ink-soft); margin-bottom: 24px; }
.toolcta { background: var(--ar-dark); border-radius: 16px; color: #fff; text-align: center; padding: 30px 24px; }
.toolcta-title { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.toolcta-desc { color: rgba(255, 255, 255, .75); font-size: 14px; margin-bottom: 20px; }

/* ---------- 评论 ---------- */
.discuss { max-width: 860px; margin: 40px auto 0; }
.discuss-title { font-size: 20px; margin-bottom: 18px; }
.notelist { list-style: none; display: flex; flex-direction: column; gap: 14px; margin-bottom: 26px; }
.notelist .children { list-style: none; margin: 12px 0 0 26px; display: flex; flex-direction: column; gap: 12px; }
.note-body { background: #fff; border: 1px solid var(--ar-line); border-radius: 12px; padding: 16px 18px; }
.note-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 8px; }
.note-name { font-weight: 700; font-size: 14.5px; }
.note-badge { font-style: normal; font-size: 11px; background: var(--ar-primary); color: #fff; border-radius: 999px; padding: 1px 8px; margin-left: 8px; }
.note-time { font-size: 12px; color: var(--ar-ink-soft); }
.note-text { font-size: 14.5px; }
.note-reply { margin-top: 8px; font-size: 13px; }
.hp-field { position: absolute; left: -9999px; top: -9999px; height: 0; overflow: hidden; }
.cmt-notes { font-size: 13px; color: var(--ar-ink-soft); margin-bottom: 14px; }
.discuss input[type="text"], .discuss input[type="email"], .discuss textarea {
    width: 100%; border: 1.5px solid var(--ar-line); border-radius: 10px;
    padding: 10px 12px; font-size: 14px; font-family: inherit; margin-top: 6px;
}
.discuss label { font-size: 14px; font-weight: 600; }
.discuss .submit {
    background: var(--ar-primary); color: #fff; border: 0; border-radius: 10px;
    padding: 12px 28px; font-size: 15px; font-weight: 600; cursor: pointer;
}
.notepager { display: flex; justify-content: space-between; margin-bottom: 20px; font-size: 14px; }

/* ---------- 404 ---------- */
.lostpage { text-align: center; padding: 60px 0; }
.lostpage-code { font-size: 90px; font-weight: 800; line-height: 1; background: linear-gradient(135deg, var(--ar-primary), var(--ar-secondary)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lostpage h1 { font-size: 26px; margin: 16px 0 10px; }
.lostpage p { color: var(--ar-ink-soft); margin-bottom: 26px; }
.lostpage-actions { display: flex; gap: 14px; justify-content: center; }

/* ---------- 搜索表单 ---------- */
.search-form { display: flex; gap: 10px; }
.search-form .search-field { flex: 1; border: 1.5px solid var(--ar-line); border-radius: 10px; padding: 10px 12px; font-size: 14px; }
.search-form .search-submit { background: var(--ar-primary); color: #fff; border: 0; border-radius: 10px; padding: 10px 20px; cursor: pointer; }

/* ---------- 滚动显现 ---------- */
.rise { opacity: 0; transform: translateY(22px); transition: opacity .5s ease, transform .5s ease; }
.rise.is-in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1020px) {
    .deck, .casegrid, .voicewall, .notegrid, .guargrid { grid-template-columns: repeat(2, 1fr); }
    .railsteps { grid-template-columns: repeat(2, 1fr); }
    .footgrid { grid-template-columns: repeat(2, 1fr); }
    .stage-grid { grid-template-columns: 1fr; gap: 34px; }
    .stage-title { font-size: 34px; }
    .cols { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
    .burger { display: block; order: 3; }
    .head-cta { display: none; }
    .masthead-row { flex-wrap: wrap; }
    .menuwrap { display: none; order: 4; flex-basis: 100%; }
    .menuwrap.is-open { display: block; }
    .menuwrap .menu { flex-direction: column; gap: 2px; padding-bottom: 10px; }
    .menuwrap .sub-menu { position: static; box-shadow: none; border: 0; padding-left: 18px; }
    .menuwrap .menu > li:hover .sub-menu { display: none; }
    .menuwrap .menu > li.sub-open .sub-menu { display: block; }
    .triplet { grid-template-columns: 1fr; }
    .toolband-in { grid-template-columns: 1fr; }
    .panel-title { font-size: 26px; }
}

@media (max-width: 620px) {
    .deck, .casegrid, .voicewall, .notegrid, .guargrid, .railsteps { grid-template-columns: 1fr; }
    .footgrid { grid-template-columns: 1fr; gap: 24px; }
    .stage { padding: 52px 0 56px; }
    .stage-title { font-size: 28px; }
    .paper-head h1 { font-size: 26px; }
    .architem { grid-template-columns: 1fr; }
    .topline-in { flex-direction: column; gap: 2px; }
    .vs-table thead { display: none; }
    .vs-table, .vs-table tbody, .vs-table tr, .vs-table th, .vs-table td { display: block; width: 100%; }
    .vs-table td::before { content: attr(data-label); display: block; font-size: 12px; color: var(--ar-ink-soft); margin-bottom: 4px; }
    .feetable thead { display: none; }
    .feetable, .feetable tbody, .feetable tr, .feetable td { display: block; width: 100%; }
    .feetable td::before { content: attr(data-label); display: block; font-size: 12px; color: var(--ar-ink-soft); margin-bottom: 4px; }
    .floatcta { right: 14px; bottom: 16px; padding: 10px 13px; }
}