/* ===== home-v3.css ===== */
:root {
  --ink: #162131;
  --body: #4d5d6d;
  --muted: #667689;
  --line: #dce5ee;
  --paper: #f7f9fc;
  --surface: #fff;
  --brand: #1677ff;
  --brand-deep: #0958d9;
  --brand-soft: #edf5ff;
  --navy: #111b29;
  --max: 1180px;
  --gutter: clamp(20px, 4vw, 40px);
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow: 0 18px 50px rgba(22, 55, 88, .08);
  --ease: cubic-bezier(.16, 1, .3, 1);
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; min-width: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
body, main, section, header, footer, div, article, form, nav, aside { min-inline-size: 0; }
img, svg, video, canvas { display: block; max-inline-size: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
p, li, span, small, strong, h1, h2, h3, h4 { overflow-wrap: break-word; }
em { color: var(--brand); font-style: normal; }
::selection { background: #cfe3ff; color: #0c3264; }
:where(a, button, input, textarea, summary):focus-visible { outline: 3px solid rgba(22, 119, 255, .35); outline-offset: 3px; }

.hero, .section, .trust-strip, .contact-section { padding-inline: var(--gutter); }
.hero-grid, .hero-bottom, .trust-strip, .section:not(.fde-section), .contact-section, .site-footer__main, .site-footer__bottom { inline-size: min(100%, var(--max)); margin-inline: auto; }

.hero { padding-block: clamp(48px, 7vw, 88px) 28px; background: linear-gradient(180deg, #fff, #f4f7fb); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(390px, .9fr); gap: clamp(36px, 6vw, 74px); align-items: center; }
.hero-copy { padding: 0; }
.eyebrow, .section-kicker { display: flex; align-items: center; gap: 9px; color: #526579; font-size: 12px; font-weight: 650; line-height: 1.5; letter-spacing: .03em; }
.pulse { flex: 0 0 7px; inline-size: 7px; block-size: 7px; border-radius: 50%; background: #2a9d8f; }
h1 { margin: 22px 0 20px; font-size: clamp(52px, 5.35vw, 76px); font-weight: 650; line-height: 1.1; letter-spacing: -.05em; }
h1 span, h1 em { display: block; inline-size: max-content; max-inline-size: 100%; white-space: nowrap; }
.hero-lead { max-inline-size: 580px; margin: 0; color: var(--body); font-size: clamp(16px, 1.35vw, 18px); line-height: 1.8; }
.hero-lead strong { color: var(--ink); font-weight: 750; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 34px; }
.btn, .header-cta { display: inline-flex; align-items: center; justify-content: center; gap: 22px; min-block-size: 48px; padding: 0 20px; border: 1px solid transparent; border-radius: var(--radius-sm); font-weight: 700; transition: transform 180ms var(--ease), background-color 180ms, border-color 180ms, box-shadow 180ms; }
.btn:hover, .header-cta:hover { transform: translateY(-2px); }
.btn:active, .header-cta:active { transform: scale(.98); }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 9px 24px rgba(22, 119, 255, .18); }
.btn-primary:hover { background: var(--brand-deep); }
.btn-secondary { border-color: #c8d4df; background: #fff; color: var(--ink); }
.btn-secondary:hover { border-color: #8fa2b5; }
.btn[disabled] { cursor: wait; opacity: .72; transform: none; }
.hero-proof { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-block: 1px solid var(--line); }
.hero-proof div { min-block-size: 94px; padding: 18px 16px; border-right: 1px solid var(--line); }
.hero-proof div:first-child { padding-left: 0; }
.hero-proof div:last-child { border-right: 0; }
.hero-proof strong { display: block; font-size: 15px; line-height: 1.45; }
.hero-proof span { display: block; margin-top: 6px; color: var(--muted); font-size: 14px; line-height: 1.55; }

.production-path { position: relative; overflow: hidden; padding: clamp(24px, 4vw, 42px); border: 1px solid #cdddec; border-radius: var(--radius-lg); background: #fbfdff; box-shadow: var(--shadow); }
.production-path::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(37, 92, 146, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(37, 92, 146, .06) 1px, transparent 1px); background-size: 28px 28px; pointer-events: none; }
.path-brand { position: relative; display: grid; gap: 5px; inline-size: 62px; margin-bottom: 28px; }
.path-brand span { display: block; block-size: 5px; border-radius: 999px; background: var(--brand); transform-origin: left; }
.path-brand span:nth-child(1) { inline-size: 58%; }.path-brand span:nth-child(2) { inline-size: 78%; }.path-brand span:nth-child(3) { inline-size: 100%; }
.production-path > h2 { position: relative; margin: 0 0 24px; font-size: 22px; letter-spacing: -.02em; }
.path-stages { position: relative; display: grid; gap: 10px; }
.path-stage { position: relative; padding: 18px 20px 18px 27px; border-top: 1px solid var(--line); background: rgba(255,255,255,.74); }
.path-stage::before { content: ""; position: absolute; top: 18px; bottom: 18px; left: 0; inline-size: 6px; border-radius: 0 4px 4px 0; background: #b7c8d9; }
.path-core { border: 1px solid #bcd5f4; border-radius: 12px; background: var(--brand-soft); }
.path-core::before { top: 0; bottom: 0; background: var(--brand); }
.path-result::before { background: #2a9d8f; }
.path-index { display: block; color: var(--muted); font-size: 13px; font-weight: 700; }
.path-stage h3 { margin: 6px 0 5px; font-size: 18px; line-height: 1.35; }
.path-stage p { margin: 0; color: var(--body); font-size: 15px; line-height: 1.55; }
.path-arrow { display: grid; place-items: center; block-size: 22px; }
.path-arrow span { position: relative; inline-size: 1px; block-size: 18px; background: #8eb8ed; }
.path-arrow span::after { content: ""; position: absolute; bottom: 0; left: 50%; inline-size: 7px; block-size: 7px; border-right: 1px solid var(--brand); border-bottom: 1px solid var(--brand); transform: translate(-50%, 0) rotate(45deg); }
.hero-bottom { display: flex; align-items: center; gap: 20px; margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 14px; }
.hero-bottom span { color: var(--muted); }.hero-bottom strong { font-size: 14px; }.hero-bottom a { margin-left: auto; color: var(--brand-deep); font-weight: 650; }
.trust-strip { display: flex; align-items: center; justify-content: space-between; gap: 28px; min-block-size: 104px; border-bottom: 1px solid var(--line); color: var(--body); font-size: 14px; }
.trust-logos { display: flex; align-items: center; gap: 20px; }.trust-logos b { font-size: 14px; }.trust-logos small { display: block; margin-top: 3px; color: var(--muted); font-size: 12px; }.trust-logos i { inline-size: 1px; block-size: 30px; background: var(--line); }

.section { padding-block: clamp(76px, 9vw, 120px); }
.fde-section, .platform-section { inline-size: 100%; max-inline-size: none; margin: 0; }
.section-kicker span { color: var(--brand); }
.section-heading, .platform-intro { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .7fr); gap: clamp(32px, 7vw, 90px); align-items: end; margin: 30px 0 52px; }
.section-heading h2, .fde-sticky h2, .platform-intro h2, .contact-copy h2, .about-copy h2 { margin: 0; font-size: clamp(36px, 4vw, 52px); line-height: 1.2; letter-spacing: -.04em; }
.section-heading p, .fde-sticky p, .platform-intro p, .contact-copy > p, .about-copy p { color: var(--body); font-size: 16px; line-height: 1.8; }

.fde-section, .platform-section { padding: clamp(76px, 9vw, 120px) var(--gutter); background: var(--navy); color: #fff; }
.fde-sticky, .fde-steps, .fde-detail, .fde-team, .fde-boundary, .fde-success, .platform-section > * { inline-size: min(100%, var(--max)); margin-inline: auto; }
.fde-sticky { display: grid; grid-template-columns: minmax(280px, .8fr) minmax(0, 1.2fr); gap: 18px clamp(32px, 6vw, 76px); padding-bottom: 42px; }
.fde-sticky .section-kicker, .fde-sticky h2 { grid-column: 1; }.fde-sticky > p, .fde-brand-link, .fde-difference, .fde-links { grid-column: 2; }
.fde-sticky h2 { color: #fff; }.fde-sticky p { margin: 0; color: #c0cad5; }
.fde-brand-link, .fde-links { display: flex; flex-wrap: wrap; gap: 8px 14px; }.fde-brand-link span { padding: 7px 10px; border: 1px solid #405064; border-radius: 7px; font-size: 12px; }.fde-brand-link i { color: #72839a; font-style: normal; }
.fde-difference { display: grid; gap: 8px; }.fde-difference div { display: grid; grid-template-columns: 88px 1fr; gap: 12px; padding-top: 10px; border-top: 1px solid #314054; }.fde-difference strong { font-size: 14px; }.fde-difference span { color: #b9c5d1; font-size: 14px; line-height: 1.55; }
.text-link { display: inline-flex; align-items: center; gap: 12px; margin-top: 18px; padding-bottom: 6px; border-bottom: 1px solid currentColor; font-size: 14px; font-weight: 650; }
.fde-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid #334358; border-bottom: 1px solid #334358; }
.fde-step { min-width: 0; padding: 28px 22px; border-right: 1px solid #334358; }.fde-step:last-child { border-right: 0; }.fde-step > span { color: #7db0ff; font-size: 12px; }.fde-step h3 { min-block-size: 62px; margin: 14px 0 10px; font-size: 19px; line-height: 1.45; }.fde-step p { min-block-size: 142px; margin: 0; color: #bbc7d3; font-size: 14px; line-height: 1.72; }.fde-output { min-block-size: 94px; margin: 16px 0; padding: 12px; background: #19273a; }.fde-output b, .fde-output span { display: block; }.fde-output b { color: #80b4ff; font-size: 12px; }.fde-output span { margin-top: 5px; color: #c2ced9; font-size: 13px; line-height: 1.5; }.fde-step ul { display: grid; gap: 7px; margin: 0; padding: 0; list-style: none; }.fde-step li { padding: 8px 9px; border: 1px solid #3b4b60; color: #c4cfda; font-size: 12px; }
.fde-detail, .fde-team, .fde-boundary, .fde-success { margin-top: 72px; }
.fde-detail { display: grid; grid-template-columns: minmax(280px, .75fr) minmax(0, 1.25fr); gap: clamp(36px, 7vw, 84px); padding-top: 56px; border-top: 1px solid #334358; }.fde-detail-intro h3, .fde-team h3, .fde-boundary h3, .fde-success h3 { margin: 16px 0; font-size: clamp(28px, 3vw, 40px); line-height: 1.3; }.fde-detail-intro p, .fde-team p, .fde-success p { color: #bdc8d4; line-height: 1.8; }
.fde-responsibilities { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border: 1px solid #344459; }.fde-responsibilities article { min-block-size: 170px; padding: 22px; border: 1px solid #344459; background: #162438; }.fde-responsibilities article > span, .fde-team-copy > small, .fde-boundary-head small, .fde-success small { color: #7db0ff; font-size: 12px; }.fde-responsibilities h4 { margin: 18px 0 8px; font-size: 17px; }.fde-responsibilities p { margin: 0; color: #bdc8d4; font-size: 14px; line-height: 1.7; }
.fde-team, .fde-success { display: grid; grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr); gap: clamp(36px, 7vw, 80px); padding: clamp(26px, 5vw, 54px); border: 1px solid #334358; background: #152337; }.fde-team-map { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }.team-role, .team-core { min-block-size: 94px; padding: 16px; border: 1px solid #3a4b61; background: #19283b; }.team-role span { font-weight: 700; }.team-role small { display: block; margin-top: 8px; color: #afbcc9; font-size: 13px; line-height: 1.5; }.team-core { grid-column: 1/-1; background: var(--brand); border-color: var(--brand); }.team-core b { display: block; }.team-core span { display: block; margin-top: 7px; font-size: 14px; line-height: 1.5; }
.fde-boundary-head { display: flex; justify-content: space-between; align-items: end; gap: 30px; }.fde-boundary-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }.fde-boundary-grid article { display: flex; flex-direction: column; min-block-size: 280px; padding: 20px; border: 1px solid #39495d; background: #152337; }.fde-boundary-grid article > span { color: #91a2b4; font-size: 13px; font-weight: 700; }.fde-boundary-grid p { color: #b9c5d1; font-size: 14px; line-height: 1.7; }.fde-boundary-grid strong { margin-top: auto; padding-top: 15px; border-top: 1px solid #39495d; font-size: 14px; line-height: 1.65; }
.fde-success ul { display: grid; margin: 0; padding: 0; list-style: none; }.fde-success li { display: grid; grid-template-columns: 84px 1fr; gap: 14px; padding: 14px 0; border-bottom: 1px solid #37475b; }.fde-success li span { color: #bcc8d4; font-size: 14px; line-height: 1.5; }

.problem-grid, .about-layout, .solution-display, .case-card, .contact-section { display: grid; }.problem-grid { grid-template-columns: repeat(4, minmax(0,1fr)); border-block: 1px solid var(--line); }.problem-card { min-width: 0; min-block-size: 280px; padding: 24px; border-right: 1px solid var(--line); }.problem-card:last-child { border-right: 0; }.problem-card h3 { margin: 26px 0 12px; font-size: 20px; }.problem-card p { color: var(--body); font-size: 14px; line-height: 1.75; }
.solution-tabs, .role-buttons { display: flex; border-bottom: 1px solid var(--line); }.solution-tabs button, .role-buttons button { min-block-size: 48px; padding: 0 18px; border: 0; border-bottom: 2px solid transparent; background: transparent; color: var(--muted); cursor: pointer; }.solution-tabs button.active, .role-buttons button.active { border-color: var(--brand); color: var(--brand-deep); font-weight: 700; }.solution-display { grid-template-columns: minmax(0,.82fr) minmax(0,1.18fr); margin-top: 30px; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }.solution-content { padding: clamp(28px, 5vw, 54px); }.solution-meta { display: flex; justify-content: space-between; gap: 15px; color: var(--muted); font-size: 12px; }.solution-content h3 { margin: 48px 0 16px; font-size: clamp(25px,3vw,34px); line-height: 1.35; }.solution-content > p { color: var(--body); font-size: 15px; line-height: 1.8; }.solution-results { display: grid; grid-template-columns: max-content 1fr; gap: 12px 18px; margin-top: 28px; padding-block: 18px; border-block: 1px solid var(--line); }.solution-results span { color: var(--muted); font-size: 13px; }.solution-results strong { text-align: right; font-size: 15px; }.solution-ui { padding: clamp(16px,4vw,40px); background: #eaf0f6; }.ui-top { display: flex; align-items: center; min-block-size: 40px; padding: 0 14px; background: #142133; color: #a5b4c3; font-size: 11px; }.ui-top span { margin-right: auto; }.ui-top i { inline-size: 7px; block-size: 7px; margin-left: 6px; border: 1px solid #6c7c8e; border-radius: 50%; }.ui-body { display: grid; grid-template-columns: 135px minmax(0,1fr); min-block-size: 390px; background: #fff; }.ui-sidebar { display: flex; flex-direction: column; gap: 8px; padding: 22px 14px; background: #172538; color: #fff; }.ui-sidebar span { padding: 7px; color: #aebbc8; font-size: 12px; }.ui-sidebar .active { border-left: 2px solid #70aaff; color: #fff; }.ui-sidebar small { margin-top: auto; color: #8fd2c8; font-size: 12px; }.ui-main { padding: clamp(22px,4vw,42px); }.ui-main small { color: var(--brand-deep); font-size: 12px; }.ui-main h4 { margin: 20px 0 28px; font-size: 22px; line-height: 1.45; }.prompt-line { display: flex; align-items: center; block-size: 38px; padding: 0 12px; border: 1px solid var(--line); }.prompt-line span { inline-size: 68%; block-size: 5px; background: #aebbc8; }.prompt-line i { margin-left: auto; inline-size: 18px; block-size: 18px; background: var(--brand); }.answer-card { margin-top: 15px; padding: 18px; border: 1px solid var(--line); }.answer-card p { color: var(--muted); font-size: 13px; }.progress { block-size: 4px; background: #e6ebf0; }.progress span { display: block; inline-size: 67%; block-size: 100%; background: var(--brand); }.source-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 13px; }.source-row span { padding: 6px 8px; background: #e8edf2; color: var(--body); font-size: 11px; }
.platform-intro { inline-size: min(100%,var(--max)); }.platform-intro p { color: #c0cad5; }.stack-diagram { position: relative; padding: 26px 90px 26px 26px; border: 1px solid #39495d; background: #152337; }.stack-row { display: grid; grid-template-columns: 210px minmax(0,1fr) auto; gap: 20px; align-items: center; min-block-size: 90px; padding: 18px 20px; border: 1px solid #405166; border-bottom: 0; }.stack-row:last-of-type { border-bottom: 1px solid #405166; }.stack-row div span, .stack-row small { display: block; color: #aebbc8; font-size: 12px; }.stack-row p { color: #bdc8d4; font-size: 14px; line-height: 1.6; }.stack-row a { color: #83b5ff; font-size: 13px; }.stack-row > i { color: #8293a5; font-size: 11px; font-style: normal; }.fde-badge { position: absolute; top: 110px; right: 18px; bottom: 45px; inline-size: 54px; display: grid; place-items: center; border: 1px solid #5d95e7; }.fde-badge span { writing-mode: vertical-rl; }.fde-badge small { color: #9dbbe1; font-size: 11px; text-align: center; }
.case-card { grid-template-columns: minmax(0,1.05fr) minmax(0,.95fr); border: 1px solid var(--line); background: #fff; }.case-visual { position: relative; min-block-size: 440px; padding: 32px; background: #152337; color: #fff; }.case-label { color: #f3cf80; font-size: 12px; }.before-after { display: grid; grid-template-columns: 1fr 40px 1fr; align-items: center; margin-top: 44px; }.before-after > div:not(.arrow-flow) { padding: 22px; border: 1px solid #405166; }.before-after span { color: #b5c1cc; font-size: 13px; }.case-chart { position: absolute; right: 32px; bottom: 32px; left: 32px; display: flex; align-items: end; gap: 16px; block-size: 110px; padding: 0 20px; border-left: 1px solid #405166; border-bottom: 1px solid #405166; }.case-chart span { inline-size: 25px; background: #2b72cf; }.case-chart i { position: absolute; top: 0; right: 0; color: #9eacba; font-size: 11px; }.case-copy { padding: clamp(28px,5vw,52px); }.case-copy h3 { font-size: 29px; line-height: 1.4; }.case-copy > p { color: var(--body); line-height: 1.8; }.case-kpis { display: grid; gap: 10px; margin-top: 26px; padding-block: 15px; border-block: 1px solid var(--line); }.case-kpis div { display: grid; grid-template-columns: 145px 1fr; gap: 15px; }.case-kpis span { color: var(--muted); font-size: 13px; }
.about-layout { grid-template-columns: minmax(0,1.05fr) minmax(280px,.95fr); gap: clamp(36px,7vw,84px); }.about-copy blockquote { margin: 28px 0 0; padding: 20px; border-left: 6px solid var(--brand); background: var(--brand-soft); line-height: 1.75; }.about-capabilities article { display: grid; grid-template-columns: 40px 1fr; gap: 14px; padding: 20px 0; border-bottom: 1px solid var(--line); }.about-capabilities article > span { color: var(--brand); font-size: 13px; }.about-capabilities h3 { margin: 0 0 7px; }.about-capabilities p { margin: 0; color: var(--body); font-size: 14px; line-height: 1.65; }
.contact-section { grid-template-columns: minmax(0,1fr) minmax(360px,.8fr); gap: clamp(44px,8vw,110px); padding-block: clamp(76px,9vw,120px); }.diagnosis-output { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line); }.diagnosis-output ul { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 13px; padding: 0; list-style: none; }.diagnosis-output li { font-size: 14px; }.contact-wechat { display: grid; grid-template-columns: 110px 1fr; gap: 16px; align-items: center; margin-top: 22px; padding: 14px; border: 1px solid var(--line); background: #fff; }.contact-wechat img { inline-size: 110px; block-size: 110px; object-fit: contain; }.contact-wechat small, .contact-wechat strong { display: block; }.contact-wechat small { color: var(--brand-deep); font-size: 12px; }.contact-wechat p { margin: 6px 0 0; color: var(--body); font-size: 13px; line-height: 1.6; }.contact-form { padding: clamp(22px,4vw,36px); border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }.form-head { display: flex; justify-content: space-between; gap: 18px; margin-bottom: 26px; }.form-head span { max-width: 220px; color: var(--muted); font-size: 12px; text-align: right; }.contact-form > label { display: block; margin-bottom: 17px; }.contact-form label > span, .stage-options > span { display: block; margin-bottom: 8px; color: var(--body); font-size: 13px; font-weight: 650; }.contact-form input[type=text], .contact-form textarea { inline-size: 100%; min-block-size: 48px; padding: 12px 13px; border: 1px solid #cbd6e1; border-radius: 7px; background: #fbfcfd; outline: 0; resize: vertical; }.contact-form textarea { min-block-size: 100px; }.contact-form input:focus, .contact-form textarea:focus { border-color: var(--brand); background: #fff; box-shadow: 0 0 0 3px rgba(22,119,255,.1); }.contact-form [aria-invalid=true] { border-color: #b42318; box-shadow: 0 0 0 2px rgba(180,35,24,.1); }.field-error { display: block; min-block-size: 19px; margin-top: 5px; color: #a61b12; font-size: 13px; line-height: 1.45; }.stage-options { margin: 3px 0 22px; }.stage-options label { display: inline-flex; align-items: center; min-block-size: 44px; margin-right: 12px; cursor: pointer; }.stage-options input { position: absolute; opacity: 0; }.stage-options i { position: relative; inline-size: 18px; block-size: 18px; margin-right: 7px; border: 1px solid #93a4b5; border-radius: 50%; }.stage-options input:focus-visible + i { outline: 3px solid rgba(22,119,255,.3); outline-offset: 2px; }.stage-options input:checked + i::after { content: ""; position: absolute; inset: 3px; border-radius: 50%; background: var(--brand); }.btn.full { inline-size: 100%; }.privacy { display: block; margin-top: 10px; color: var(--muted); font-size: 12px; text-align: center; }.form-status { min-block-size: 24px; margin-top: 12px; font-size: 14px; line-height: 1.5; }.form-status.success { color: #15704d; }.form-status.error { color: #a61b12; }
.floating-contact { position: fixed; right: max(16px, env(safe-area-inset-right)); bottom: max(16px, env(safe-area-inset-bottom)); z-index: 90; display: grid; justify-items: end; gap: 10px; max-inline-size: calc(100vw - 32px); }.floating-contact-trigger { display: inline-flex; align-items: center; min-block-size: 50px; padding: 0 18px; border: 0; border-radius: var(--radius-sm); background: var(--brand); color: #fff; font-weight: 700; box-shadow: 0 14px 34px rgba(22,119,255,.22); cursor: pointer; transition: transform 180ms var(--ease), background-color 180ms; }.floating-contact-trigger:hover { transform: translateY(-2px); background: var(--brand-deep); }.floating-contact-trigger:active { transform: scale(.98); }.floating-contact-symbol { margin-right: 8px; }.floating-contact-panel { display: none; inline-size: min(360px, calc(100vw - 32px)); max-block-size: calc(100vh - 90px); overflow-y: auto; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 24px 70px rgba(22,55,88,.2); }.floating-contact-panel.open { display: block; animation: panel-in 200ms var(--ease); }.floating-contact-head { display: flex; justify-content: space-between; gap: 14px; padding-bottom: 14px; }.floating-contact-head strong, .floating-contact-head span { display: block; }.floating-contact-head span { margin-top: 5px; color: var(--muted); font-size: 13px; line-height: 1.5; }.floating-contact-close { flex: 0 0 44px; inline-size: 44px; block-size: 44px; border: 0; border-radius: 8px; background: var(--brand-soft); cursor: pointer; }.wechat-contact-card { display: grid; grid-template-columns: 120px 1fr; gap: 14px; align-items: center; padding: 12px; border: 1px solid var(--line); }.wechat-contact-card img { inline-size: 120px; block-size: 120px; object-fit: contain; }.wechat-contact-card span { display: block; margin-top: 5px; color: var(--muted); font-size: 13px; line-height: 1.5; }.floating-contact-options { margin-top: 10px; }.floating-contact-options a { display: grid; grid-template-columns: 44px minmax(0,1fr) auto; align-items: center; gap: 10px; min-block-size: 56px; padding: 8px; border: 1px solid var(--line); }.contact-icon { display: grid; place-items: center; inline-size: 44px; block-size: 44px; background: var(--brand-soft); color: var(--brand); }.floating-contact-options b, .floating-contact-options small { display: block; }.floating-contact-options small { margin-top: 3px; color: var(--muted); font-size: 12px; }.floating-contact-panel > p { color: var(--muted); font-size: 12px; line-height: 1.55; }

.reveal { opacity: 0; transform: translateY(12px); transition: opacity 320ms var(--ease), transform 320ms var(--ease); }.reveal.visible { opacity: 1; transform: none; }.delay-1 { transition-delay: 70ms; }
@keyframes panel-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes stage-in { from { opacity: .3; transform: translateY(7px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: no-preference) {
  .production-path.visible .path-input { animation: stage-in 260ms var(--ease) both 80ms; }
  .production-path.visible .path-core { animation: stage-in 260ms var(--ease) both 220ms; }
  .production-path.visible .path-result { animation: stage-in 260ms var(--ease) both 360ms; }
  .production-path.visible .path-brand span { animation: stage-in 220ms var(--ease) both; }
}

@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: 1fr; }.production-path { max-inline-size: 720px; }.hero-copy { max-inline-size: 780px; }
  .hero-bottom { display: none; }.trust-strip { align-items: flex-start; flex-direction: column; padding-block: 26px; }
  .fde-sticky { grid-template-columns: 1fr; }.fde-sticky .section-kicker, .fde-sticky h2, .fde-sticky > p, .fde-brand-link, .fde-difference, .fde-links { grid-column: 1; }
  .fde-steps { grid-template-columns: repeat(2,minmax(0,1fr)); }.fde-step:nth-child(2) { border-right: 0; }.fde-step:nth-child(-n+2) { border-bottom: 1px solid #334358; }.fde-step p, .fde-step h3 { min-block-size: auto; }
  .fde-boundary-grid, .problem-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }.problem-card:nth-child(2) { border-right: 0; }.problem-card:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .section-heading, .platform-intro, .about-layout { grid-template-columns: 1fr; }.solution-display, .case-card { grid-template-columns: 1fr; }.contact-section { grid-template-columns: 1fr; }.contact-copy { max-inline-size: 720px; }
}

@media (max-width: 768px) {
  :root { --gutter: 20px; }
  html { scroll-padding-top: 76px; }
  .hero { padding-top: 44px; }
  h1 { font-size: clamp(36px, 11.2vw, 48px); letter-spacing: -.045em; }
  h1 span, h1 em { inline-size: auto; }
  .hero-lead { font-size: 16px; line-height: 1.75; }
  .hero-actions { display: grid; inline-size: 100%; }.hero-actions .btn { inline-size: 100%; }
  .hero-proof { grid-template-columns: 1fr; }.hero-proof div, .hero-proof div:first-child { min-block-size: auto; padding: 15px 0; border-right: 0; border-bottom: 1px solid var(--line); }.hero-proof div:last-child { border-bottom: 0; }
  .production-path { inline-size: 100%; padding: 22px 18px; }.production-path > h2 { font-size: 20px; }.path-stage { padding: 16px 14px 16px 22px; }.path-stage h3 { font-size: 17px; }.path-stage p { font-size: 14px; }
  .trust-logos { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); inline-size: 100%; gap: 18px; }.trust-logos i { display: none; }
  .fde-section, .platform-section { padding-inline: 20px; }.fde-steps { grid-template-columns: 1fr; }.fde-step, .fde-step:nth-child(2) { border-right: 0; border-bottom: 1px solid #334358; }.fde-step:last-child { border-bottom: 0; }.fde-detail, .fde-team, .fde-success { grid-template-columns: 1fr; }.fde-responsibilities, .fde-team-map, .fde-boundary-grid, .problem-grid { grid-template-columns: 1fr; }.team-core { grid-column: 1; }.fde-boundary-head { display: block; }.fde-boundary-grid article { min-block-size: auto; }.problem-card, .problem-card:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); }.problem-card:last-child { border-bottom: 0; }
  .solution-tabs, .role-buttons { overflow-x: auto; scroll-snap-type: x proximity; }.solution-tabs button, .role-buttons button { flex: 0 0 auto; min-block-size: 48px; scroll-snap-align: start; white-space: nowrap; }.solution-content h3 { margin-top: 30px; }.solution-ui { padding: 12px; }.ui-body { grid-template-columns: 86px minmax(0,1fr); min-block-size: 360px; }.ui-sidebar { padding: 15px 7px; }.ui-main { padding: 20px 12px; }.ui-main h4 { font-size: 18px; }
  .stack-diagram { padding: 12px; }.stack-row { grid-template-columns: 1fr; gap: 8px; padding: 14px; }.stack-row > i, .fde-badge { display: none; }
  .before-after { grid-template-columns: 1fr; gap: 10px; }.arrow-flow { transform: rotate(90deg); }.case-chart { position: relative; right: auto; bottom: auto; left: auto; margin-top: 30px; }.case-visual { min-block-size: auto; }.case-kpis div { grid-template-columns: 1fr; gap: 4px; }
  .diagnosis-output ul { grid-template-columns: 1fr; }.form-head { display: block; }.form-head span { display: block; max-width: none; margin-top: 5px; text-align: left; }.stage-options { display: grid; }.stage-options label { margin-right: 0; }
  .floating-contact { right: max(16px, env(safe-area-inset-right)); max-inline-size: calc(100vw - 32px); }.floating-contact-panel { inline-size: calc(100vw - 32px); }.wechat-contact-card { grid-template-columns: 104px minmax(0,1fr); }.wechat-contact-card img { inline-size: 104px; block-size: 104px; }
}

@media (max-width: 380px) {
  h1 { font-size: 36px; }
  .eyebrow { font-size: 11px; }
  .contact-wechat, .wechat-contact-card { grid-template-columns: 1fr; }.contact-wechat img, .wechat-contact-card img { inline-size: 104px; block-size: 104px; }
  .floating-contact-trigger { min-inline-size: 50px; padding-inline: 14px; }.floating-contact-symbol { margin-right: 5px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: opacity 100ms linear; }
  .production-path .path-stage, .production-path .path-brand span, .floating-contact-panel.open { animation: none; }
  .site-header { transform: none !important; }
  .btn, .header-cta, .floating-contact-trigger, .solution-tabs button, .role-buttons button, .nav-toggle, .main-nav a { transition-duration: 100ms; }
}


/* ===== nav-v4.css ===== */
.site-header .logo-bar { fill: var(--brand); }

/* Shenyun navigation v3 — adapted from the Nimbus click-to-open navigation reference. */
.site-header {
  --nav-brand: #1677ff;
  --nav-brand-deep: #0958d9;
  --nav-ink: #152235;
  --nav-text: #465568;
  --nav-muted: #758397;
  --nav-line: #dfe7f0;
  --nav-soft: #edf5ff;
  position: sticky;
  top: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(18px, 2.5vw, 42px);
  min-height: 74px;
  padding: 10px max(20px, calc((100vw - 1240px) / 2));
  border-bottom: 1px solid color-mix(in srgb, var(--nav-brand) 10%, var(--nav-line));
  background: rgba(248, 251, 255, .9);
  box-shadow: 0 8px 28px rgba(24, 54, 88, .05);
  backdrop-filter: blur(20px) saturate(140%);
  transform: translateY(0);
  transition: transform .28s cubic-bezier(.2, .8, .2, 1), box-shadow .2s ease;
  will-change: transform;
}

.site-header.nav-hidden {
  transform: translateY(calc(-100% - 10px));
  box-shadow: none;
}

.site-header .brand {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: 9px;
  min-height: 48px;
  margin: 0;
}

.site-header .brand-mark {
  width: 52px;
  height: 29px;
  flex: 0 0 52px;
}

.site-header .brand-word strong {
  color: var(--nav-brand);
  font-size: 18px;
  line-height: 1;
  letter-spacing: .12em;
}

.site-header .brand-word small {
  margin-top: 4px;
  color: var(--nav-brand-deep);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .18em;
}

.site-header .main-nav {
  position: static;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  justify-self: end;
  gap: 3px;
  color: var(--nav-text);
  font-size: 14px;
}

.site-header .main-nav > a,
.site-header .nav-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 44px;
  padding: 0 11px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 550;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: color .18s ease, background-color .18s ease, transform .18s ease;
}

.site-header .main-nav > a::after,
.site-header .nav-dropdown-toggle::before {
  display: none !important;
}

.site-header .main-nav > a:hover,
.site-header .main-nav > a:focus-visible,
.site-header .nav-dropdown-toggle:hover,
.site-header .nav-dropdown-toggle:focus-visible {
  background: rgba(22, 119, 255, .07);
  color: var(--nav-ink);
}

.site-header .main-nav > a[aria-current="page"],
.site-header .nav-dropdown.is-current .nav-dropdown-toggle,
.site-header .nav-dropdown.open .nav-dropdown-toggle {
  background: var(--nav-soft);
  color: var(--nav-brand-deep);
  font-weight: 700;
}

.site-header .nav-dropdown {
  position: relative;
  display: inline-flex;
}

.site-header .nav-dropdown-toggle::after {
  content: "";
  display: block;
  width: 7px;
  height: 7px;
  margin-top: -3px;
  border-right: 1.7px solid currentColor;
  border-bottom: 1.7px solid currentColor;
  transform: rotate(45deg);
  transform-origin: center;
  transition: transform .2s ease;
}

.site-header .nav-dropdown.open .nav-dropdown-toggle::after {
  transform: translateY(3px) rotate(225deg);
}

.site-header .nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  z-index: 120;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  width: min(700px, calc(100vw - 40px));
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--nav-line);
  border-radius: 16px;
  background: #fbfdff;
  box-shadow: 0 22px 56px rgba(23, 49, 79, .16);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -6px);
  transform-origin: top center;
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}

.site-header .nav-dropdown.open .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.site-header .service-menu-heading {
  grid-column: 1 / -1;
  display: grid;
  gap: 4px;
  padding: 2px 4px 8px;
}

.site-header .service-menu-heading strong {
  color: var(--nav-ink);
  font-size: 15px;
  font-weight: 750;
}

.site-header .service-menu-heading span {
  color: var(--nav-muted);
  font-size: 12px;
}

.site-header .nav-dropdown-menu .service-link {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 11px;
  align-items: start;
  min-height: 112px;
  padding: 14px;
  border: 1px solid transparent;
  border-radius: 12px;
  white-space: normal;
  transition: background-color .18s ease, border-color .18s ease, transform .18s ease;
}

.site-header .nav-dropdown-menu .service-link::after { display: none; }
.site-header .nav-dropdown-menu .service-link:hover,
.site-header .nav-dropdown-menu .service-link:focus-visible {
  border-color: rgba(22, 119, 255, .16);
  background: linear-gradient(145deg, #f2f7ff, #f8fbff);
  transform: translateY(-2px);
}

.site-header .service-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--nav-soft);
  color: var(--nav-brand);
}

.site-header .service-icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.site-header .service-copy { display: grid; gap: 5px; }
.site-header .service-copy b {
  color: var(--nav-ink);
  font-size: 14px;
  font-weight: 750;
  line-height: 1.35;
}
.site-header .service-copy small {
  color: var(--nav-muted);
  font-size: 11px;
  line-height: 1.55;
}
.site-header .service-copy em {
  color: var(--nav-brand-deep);
  font-size: 11px;
  font-style: normal;
  font-weight: 700;
}

.site-header .header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: end;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: var(--nav-brand);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 8px 20px rgba(22, 119, 255, .2);
  transition: background-color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.site-header .header-cta:hover,
.site-header .header-cta:focus-visible {
  background: var(--nav-brand-deep);
  transform: translateY(-1px);
  box-shadow: 0 11px 24px rgba(22, 119, 255, .25);
}

.site-header .nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(22, 119, 255, .12);
  border-radius: 10px;
  background: var(--nav-soft);
}

.site-header .nav-toggle span {
  display: block;
  width: 19px;
  height: 2px;
  margin: 4px auto;
  border-radius: 999px;
  background: var(--nav-ink);
  transition: transform .2s ease, opacity .2s ease;
}

.site-header:has(.main-nav.open) .nav-toggle span:first-child { transform: translateY(3px) rotate(45deg); }
.site-header:has(.main-nav.open) .nav-toggle span:last-child { transform: translateY(-3px) rotate(-45deg); }

@media (max-width: 1180px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
    gap: 14px;
    padding-inline: 20px;
  }
  .site-header .main-nav { gap: 1px; font-size: 13px; justify-self: end; }
  .site-header .main-nav > a,
  .site-header .nav-dropdown-toggle { padding-inline: 8px; }
  .site-header .brand-word { display: none; }
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 68px;
    padding-block: 9px;
  }
  .site-header .brand-word { display: block; }
  .site-header .nav-toggle { display: block; justify-self: end; }
  .site-header .header-cta { display: none; }
  .site-header .main-nav {
    position: absolute;
    top: calc(100% + 8px);
    right: 16px;
    left: 16px;
    display: none;
    max-height: calc(100vh - 92px);
    overflow: auto;
    padding: 12px;
    border: 1px solid var(--nav-line);
    border-radius: 16px;
    background: #fbfdff;
    box-shadow: 0 22px 56px rgba(23, 49, 79, .16);
  }
  .site-header .main-nav.open { display: grid; gap: 3px; }
  .site-header .main-nav > a,
  .site-header .nav-dropdown-toggle {
    justify-content: space-between;
    width: 100%;
    min-height: 46px;
    padding: 0 13px;
  }
  .site-header .nav-dropdown { display: grid; }
  .site-header .nav-dropdown-menu {
    position: static;
    display: none;
    grid-template-columns: 1fr;
    width: 100%;
    margin-top: 6px;
    padding: 10px;
    border-radius: 13px;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .site-header .nav-dropdown.open .nav-dropdown-menu { display: grid; transform: none; }
  .site-header .service-menu-heading { padding: 3px 4px 7px; }
  .site-header .nav-dropdown-menu .service-link {
    grid-template-columns: 36px minmax(0, 1fr);
    min-height: 0;
    padding: 12px;
  }
}

@media (max-width: 520px) {
  .site-header { padding-inline: 16px; }
  .site-header .brand-mark { width: 48px; flex-basis: 48px; }
  .site-header .main-nav { right: 10px; left: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .site-header *,
  .site-header *::before,
  .site-header *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}


/* ===== footer-v1.css ===== */
.site-footer {
  position: relative;
  overflow: hidden;
  padding: 64px max(24px, calc((100vw - 1180px) / 2)) 28px;
  border-top: 1px solid rgba(22, 119, 255, 0.14);
  background:
    radial-gradient(circle at 12% 10%, rgba(22, 119, 255, 0.10), transparent 34%),
    linear-gradient(145deg, #f4f8ff 0%, #edf4ff 48%, #f7f9ff 100%);
  color: #13213a;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.22;
  background-image: linear-gradient(rgba(22,119,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(22,119,255,.08) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to bottom, #000, transparent 82%);
}
.site-footer__main,
.site-footer__bottom { position: relative; z-index: 1; }
.site-footer__main {
  display: grid;
  grid-template-columns: minmax(260px, 1.15fr) minmax(180px, .75fr) minmax(180px, .75fr) minmax(250px, 1fr);
  gap: clamp(32px, 4vw, 68px);
  align-items: start;
}
.site-footer__brand {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  align-items: start;
}
.site-footer__mark { display: block; width: 56px; color: #1677ff; }
.site-footer__mark svg { display: block; width: 100%; height: auto; fill: currentColor; }
.site-footer__identity strong,
.site-footer__identity small { display: block; color: #0a56c6; }
.site-footer__identity strong { font-size: 22px; line-height: 1.1; letter-spacing: .08em; }
.site-footer__identity small { margin-top: 7px; font-size: 10px; line-height: 1; letter-spacing: .24em; font-weight: 700; }
.site-footer__identity p { max-width: 280px; margin: 17px 0 0; color: #52627a; font-size: 14px; line-height: 1.7; }
.site-footer__column { display: grid; align-content: start; gap: 11px; }
.site-footer__column b { margin-bottom: 6px; color: #15233a; font-size: 14px; line-height: 1.4; }
.site-footer__column a,
.site-footer__column span { color: #52627a; font-size: 13px; line-height: 1.65; text-decoration: none; }
.site-footer__column a { width: fit-content; transition: color .16s ease, transform .16s ease; }
.site-footer__column a:hover { color: #0a63dc; transform: translateX(2px); }
.site-footer__column a:focus-visible { outline: 3px solid rgba(22,119,255,.28); outline-offset: 4px; border-radius: 4px; }
.site-footer__bottom {
  margin-top: 48px;
  padding-top: 22px;
  border-top: 1px solid rgba(22,119,255,.14);
  color: #68768c;
  font-size: 12px;
  line-height: 1.6;
}
.site-footer__bottom a { color: inherit; text-decoration: none; }
.site-footer__bottom a:hover { color: #0a63dc; }
@media (max-width: 980px) {
  .site-footer__main { grid-template-columns: 1.35fr 1fr 1fr; }
  .site-footer__contact { grid-column: 1 / -1; padding-top: 8px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .site-footer__contact b { grid-column: 1 / -1; }
}
@media (max-width: 680px) {
  .site-footer { padding: 50px 20px 24px; }
  .site-footer__main { grid-template-columns: 1fr 1fr; gap: 34px 24px; }
  .site-footer__brand { grid-column: 1 / -1; }
  .site-footer__contact { grid-template-columns: 1fr; }
  .site-footer__contact b { grid-column: auto; }
  .site-footer__column a,
  .site-footer__column span { min-height: 44px; display: flex; align-items: center; }
  .site-footer__bottom { margin-top: 38px; }
}
@media (max-width: 430px) {
  .site-footer__main { grid-template-columns: 1fr; }
  .site-footer__brand { grid-column: auto; }
}
@media (prefers-reduced-motion: reduce) {
  .site-footer__column a { transition: none; }
}


/* ==== hotfix 2026-09-04: 联系区左右模块对齐 ==== */
@media (min-width: 1101px) {
  .contact-section { align-items: stretch; }
  .contact-copy { display: flex; flex-direction: column; justify-content: space-between; min-width: 0; }
  .contact-copy .contact-wechat { margin-top: 0; }
  .contact-copy .diagnosis-output { margin-top: 0; padding-top: 18px; }
  .contact-copy .diagnosis-output ul { gap: 10px; }
  .contact-form { padding: clamp(20px, 3vw, 28px); }
  .contact-form > label { margin-bottom: 13px; }
  .contact-form input[type=text], .contact-form textarea { min-block-size: 44px; padding: 10px 12px; }
  .contact-form textarea { min-block-size: 84px; }
  .form-head { margin-bottom: 20px; align-items: flex-start; }
  .form-head span { max-width: 240px; }
  .stage-options { margin: 0 0 16px; }
  .stage-options label { min-block-size: 40px; }
  .privacy { margin-top: 8px; }
}


/* ==== hotfix 2026-09-05: 触控热区 ≥44px（视觉不变，仅扩大点击区域） ==== */
/* 文字链接：上下加 padding，用负外边距抵消，避免影响排版 */
.text-link,
.hero-bottom a,
.stack-row a,
.stack-row > a,
.fde-links a,
.solution-content .text-link,
.case-copy .text-link,
.rel-card > span,
.related-card > span,
.hub-more,
.kb-cta a,
.aside-card a:not(.btn) {
  display: inline-flex; align-items: center;
  min-height: 44px;
  padding-block: 8px; margin-block: -8px;
}
/* 面包屑 */
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 0 .35rem; min-height: 44px; }
.breadcrumb a { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; min-width: 44px; padding-inline: .35rem; margin-inline: -.35rem; }
/* 文章正文内链 */
.article-content p a, .kb-answer p a { display: inline-block; padding-block: 10px; margin-block: -10px; }
/* 页脚链接 */
.site-footer__column a, .footer-links a, .site-footer__bottom a, .footer-bottom a {
  display: inline-flex; align-items: center; min-height: 44px; padding-block: 10px; margin-block: -10px;
}
/* FDE 锚点导航 */
.anchor-nav-inner a, .anchor-nav a { min-height: 48px; display: inline-flex; align-items: center; }
/* 知识文章目录 / 文章侧栏 */
.kb-toc a, .aside-card a:not(.btn) { min-height: 44px; display: flex; align-items: center; }
/* 服务下拉菜单条目（faq/服务页版本） */
.nav-dropdown-menu a { min-height: 44px; }