/* ═══════════════════════════════════════════════════════════
   高湾对外网站 — 组件层：导航 · Hero · 读信邀请 · 链接卡 · 联系页 · 页脚
   爱马仕橙奢华风：纸白卡片 + 发丝线 + 橙色点睛，无发光无渐变
   ═══════════════════════════════════════════════════════════ */

/* ── 顶部导航 ─────────────────────────────────────────── */
.site-nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    height: var(--nav-height);
    transition: background .35s, box-shadow .35s, border-color .35s;
    border-bottom: 1px solid transparent;
}
.site-nav.scrolled {
    background: rgba(253, 249, 242, 0.94);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-bottom-color: var(--hairline);
    box-shadow: 0 2px 16px rgba(74, 55, 40, 0.06);
}
.nav-inner {
    max-width: var(--container); margin: 0 auto; padding: 0 24px;
    height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.nav-brand { display: flex; align-items: center; gap: 13px; }
.brand-mark {
    width: 40px; height: 40px; border-radius: 4px; flex: none;
    background: var(--orange); color: #FFF8EE;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.35rem; font-weight: 700; font-family: var(--font-serif);
}
.brand-text {
    font-size: 1.24rem; font-weight: 700; color: var(--brown);
    letter-spacing: .22em; line-height: 1.15; font-family: var(--font-serif);
}
.brand-text em {
    display: block; font-style: normal; font-size: .6rem;
    letter-spacing: .46em; color: var(--orange); font-weight: 600;
    font-family: var(--font-sans);
}
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
    padding: 8px 16px; font-size: .92rem;
    color: var(--muted); letter-spacing: .1em;
    border-bottom: 2px solid transparent;
    transition: color .25s, border-color .25s;
}
.nav-links a:hover { color: var(--orange-deep); }
.nav-links a.active { color: var(--orange-deep); border-bottom-color: var(--orange); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span {
    display: block; width: 24px; height: 2px; margin: 5px 0;
    background: var(--brown); border-radius: 2px; transition: transform .3s, opacity .3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero（首屏 = 品牌主张 + 信之引文，不翻动可见）────── */
.hero {
    position: relative;
    padding: calc(var(--nav-height) + 40px) 0 52px;
    text-align: center; overflow: hidden;
    background: var(--bg);
    border-bottom: 1px solid var(--hairline);
}
.hero-content { position: relative; padding: 0 24px; margin: 0 auto; max-width: 860px; }
.hero-badge {
    display: inline-block; padding: 9px 26px; border-radius: 999px;
    border: 1px solid var(--hairline-strong); background: var(--paper);
    color: var(--brown); font-size: .95rem; font-weight: 600;
    letter-spacing: .2em; margin-bottom: 22px;
}
.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 700; line-height: 1.4;
    letter-spacing: .06em; margin-bottom: 14px; color: var(--brown);
}
.hero-sub {
    font-family: var(--font-serif);
    font-size: clamp(1rem, 1.7vw, 1.2rem); color: var(--orange-deep);
    letter-spacing: .4em; text-indent: .4em; margin-bottom: 0; font-weight: 600;
}
.hero-desc { color: var(--muted); font-size: 1rem; letter-spacing: .1em; }
.hero-desc b { color: var(--brown); font-weight: 600; }
.hero-host-note { color: var(--faint); font-size: .84rem; letter-spacing: .08em; margin-top: 10px; }
.hero-cta { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }

.audience-chips {
    display: flex; align-items: center; justify-content: center;
    gap: 10px; flex-wrap: wrap; margin-top: 34px;
}
.audience-label { color: var(--faint); font-size: .78rem; letter-spacing: .2em; }
.audience-chip {
    padding: 5px 18px; border-radius: 999px; font-size: .84rem;
    color: var(--brown); border: 1px solid var(--hairline-strong);
    background: var(--paper); letter-spacing: .1em;
    transition: border-color .25s, color .25s;
}
.audience-chip:hover { border-color: var(--orange); color: var(--orange-deep); }

/* ── 信之引文卡（首屏内）──────────────────────────────── */
.letter-quote {
    margin: 34px auto 0; max-width: 720px; text-align: left;
    background: var(--paper);
    border: 1px solid var(--hairline); border-left: 4px solid var(--orange);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 26px 32px 22px;
}
.letter-quote-head { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.letter-quote-mark {
    flex: none; width: 40px; height: 40px; border-radius: 4px;
    background: var(--orange); color: #FFF8EE;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-serif); font-size: 1.25rem; font-weight: 700;
}
.letter-quote-kicker {
    font-size: .8rem; letter-spacing: .2em; color: var(--brown); font-weight: 600;
}
.letter-quote blockquote {
    margin: 0; padding: 0; border: none; background: none;
    font-family: var(--font-serif);
    font-size: .98rem; line-height: 2; color: #3D3128;
}
.letter-quote blockquote b { color: var(--orange-deep); font-weight: 700; }
.letter-quote-foot {
    display: flex; align-items: center; justify-content: space-between;
    gap: 16px; flex-wrap: wrap;
    margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--hairline-strong);
}
.letter-quote-sign {
    font-family: var(--font-serif);
    font-size: .86rem; color: var(--muted); letter-spacing: .08em;
}
.letter-quote-btn {
    flex: none; display: inline-block;
    padding: 11px 26px; border-radius: 2px;
    background: var(--brown); color: #FBF6EC !important;
    font-size: .88rem; letter-spacing: .14em; font-weight: 600;
    text-decoration: none; transition: background .25s;
}
.letter-quote-btn:hover { background: var(--orange); color: #fff !important; }
/* 按钮组：首次到访读全信 + 和高大湾聊聊（唤起全站悬浮对话组件） */
.letter-quote-actions { flex: none; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.letter-quote-btn--chat {
    background: var(--orange); color: #FFF8EE !important;
    border: none; cursor: pointer; font-family: inherit; line-height: 1.5;
    box-shadow: 0 2px 10px rgba(232, 96, 12, .28);
}
.letter-quote-btn--chat:hover { background: var(--orange-deep); }

/* ── 首页五大板块 ─────────────────────────────────────── */
.home-sections { display: flex; flex-direction: column; gap: 24px; }
.home-section {
    background: var(--paper); border: 1px solid var(--hairline);
    border-radius: var(--radius-lg); padding: 34px 38px;
    box-shadow: var(--shadow-card);
    transition: border-color .3s, box-shadow .3s;
}
.home-section:hover { border-color: var(--orange-line); box-shadow: var(--shadow-hover); }
.home-section-head { display: flex; align-items: center; gap: 18px; margin-bottom: 16px; }
.seal {
    flex: none; width: 48px; height: 48px; border-radius: 4px;
    border: 2px solid var(--orange); color: var(--orange); background: var(--orange-soft);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-serif); font-size: 1.5rem; font-weight: 700;
}
.home-section-head h3 { font-size: 1.24rem; font-weight: 700; letter-spacing: .1em; }
.home-section-head h3 a { color: var(--brown); }
.home-section-head h3 a:hover { color: var(--orange-deep); }
.home-section-tagline { font-size: .84rem; color: var(--muted); letter-spacing: .05em; }
.home-section-more {
    margin-left: auto; flex: none; font-size: .84rem; color: var(--brown);
    letter-spacing: .12em; border-bottom: 1px solid var(--orange-line); padding-bottom: 2px;
}
.home-section-more:hover { color: var(--orange); border-bottom-color: var(--orange); }
.home-section-intro {
    font-family: var(--font-serif);
    font-size: .95rem; color: var(--muted); line-height: 2; margin-bottom: 20px;
}

/* ── 思维四面体模型导览（首页深思考板块置顶）────────────── */
.tetra-panel {
    display: grid; grid-template-columns: 280px 1fr; gap: 30px; align-items: center;
    margin: 0 0 20px; padding: 26px 30px;
    border: 1px solid var(--hairline-strong); border-radius: var(--radius-lg);
    background: var(--paper-warm);
}
.tetra-figure { text-align: center; }
.tetra-figure svg { width: 100%; max-width: 240px; margin: 0 auto; display: block; }
.tetra-svg-num {
    font-family: var(--font-serif); font-size: 19px; fill: var(--brown);
    text-anchor: middle; letter-spacing: 0;
}
.tetra-figure-note {
    display: block; margin-top: 8px;
    font-size: .74rem; color: var(--faint); letter-spacing: .1em;
}
.tetra-kicker {
    font-size: .72rem; letter-spacing: .38em; color: var(--orange); font-weight: 600;
}
.tetra-body h4 {
    font-family: var(--font-serif); font-size: 1.14rem; color: var(--brown);
    margin: 8px 0 14px; letter-spacing: .04em; line-height: 1.7; font-weight: 700;
}
.tetra-faces {
    list-style: none; display: grid; grid-template-columns: 1fr 1fr;
    gap: 8px 18px; margin: 0 0 14px;
}
.tetra-faces li {
    font-size: .88rem; color: #3D3128;
    padding-left: 12px; border-left: 2px solid var(--hairline-strong);
}
.tetra-faces li:first-child { border-left-color: var(--orange-line); }
.tetra-faces li b {
    font-family: var(--font-serif); font-weight: 600; color: var(--brown); margin-right: 8px;
}
.tetra-note { font-size: .86rem; color: var(--muted); line-height: 1.9; margin-bottom: 12px; }
.tetra-cta {
    font-size: .88rem; letter-spacing: .06em; color: var(--orange-deep);
    border-bottom: 1px solid var(--orange-line); padding-bottom: 2px;
}
.tetra-cta:hover { color: var(--orange); border-bottom-color: var(--orange); }

/* ── 链接卡列表（信中链接统一状态）────────────────────── */
.link-list { display: flex; flex-direction: column; gap: 10px; }
.link-card {
    display: flex; align-items: center; gap: 20px;
    padding: 16px 22px; border-radius: var(--radius);
    background: var(--bg); border: 1px solid var(--hairline);
    text-decoration: none; color: inherit;
    transition: border-color .25s, transform .25s, background .25s;
}
a.link-card:hover { border-color: var(--orange-line); transform: translateX(4px); background: var(--paper); }
.link-card.disabled { opacity: .72; border-style: dashed; }
.link-main { flex: 1; min-width: 0; }
.link-name {
    display: block; font-size: .96rem; font-weight: 600; color: var(--brown);
    letter-spacing: .03em; font-family: var(--font-serif);
}
a.link-card:hover .link-name { color: var(--orange-deep); }
.link-desc {
    display: block; font-size: .8rem; color: var(--muted); margin-top: 4px;
    line-height: 1.7;
    display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.link-status {
    flex: none; font-size: .74rem; letter-spacing: .12em; color: var(--orange-deep);
    border: 1px solid var(--orange-line); background: var(--orange-soft);
    padding: 4px 12px; border-radius: 2px; white-space: nowrap;
}
.link-status.building, .link-card.building .link-status {
    color: var(--muted); border-color: var(--hairline-strong); background: transparent;
}
.link-card.talk:not(.building) .link-status {
    color: #fff; background: var(--orange); border-color: var(--orange);
}

/* ── 信件全文页 ───────────────────────────────────────── */
.letter-legend {
    display: flex; gap: 26px; flex-wrap: wrap; justify-content: center;
    padding: 14px 20px; margin-bottom: 44px;
    border: 1px solid var(--hairline); border-radius: var(--radius);
    background: var(--paper); font-size: .78rem; color: var(--muted); letter-spacing: .06em;
}
.letter-legend span { display: inline-flex; align-items: center; gap: 8px; }
.letter-legend .dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.letter-legend .dot.live { background: var(--brown); }
.letter-legend .dot.building { background: var(--hairline-strong); border: 1px solid var(--muted); }
.letter-legend .dot.talk { background: var(--orange); }

.letter-prose { font-size: 1.08rem; line-height: 2.15; }
.letter-prose p { margin-bottom: 1.4em; }
.letter-prose strong { color: var(--brown); }

/* 信中行内链接 */
.letter-link {
    display: inline-flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
    margin: .5em 0; padding: 10px 18px;
    border: 1px solid var(--orange-line); border-radius: var(--radius);
    background: var(--orange-soft);
    color: var(--brown); font-weight: 600; font-size: .95rem;
    text-decoration: none !important; letter-spacing: .02em;
    transition: border-color .25s, background .25s;
    font-family: var(--font-sans);
}
.letter-link em {
    font-style: normal; font-size: .7rem; letter-spacing: .14em;
    color: var(--orange-deep); font-weight: 600; white-space: nowrap;
}
a.letter-link:hover { border-color: var(--orange); background: rgba(232, 96, 12, 0.13); }
.letter-link.talk { border-color: var(--orange); background: rgba(232, 96, 12, 0.12); }
.letter-link.talk em { color: var(--orange); }
.letter-link.building { border-style: dashed; border-color: var(--hairline-strong); background: transparent; }
.letter-link.building em { color: var(--faint); }
span.letter-link.building { cursor: default; color: var(--muted); }

/* ── 联系页：线上交流 ─────────────────────────────────── */
.talk-flow {
    display: flex; align-items: stretch; gap: 12px;
    padding: 30px 26px; background: var(--paper);
    border: 1px solid var(--hairline); border-radius: var(--radius-lg);
}
.talk-step { flex: 1; text-align: center; }
.talk-step-num {
    width: 34px; height: 34px; margin: 0 auto 12px; border-radius: 50%;
    background: var(--brown); color: #FBF6EC; font-family: var(--font-serif);
    display: flex; align-items: center; justify-content: center; font-size: .95rem; font-weight: 700;
}
.talk-step h4 { font-size: .98rem; color: var(--brown); letter-spacing: .1em; margin-bottom: 6px; font-weight: 700; }
.talk-step p { font-size: .8rem; color: var(--muted); line-height: 1.7; }
.talk-step-arrow { align-self: center; color: var(--orange); font-size: 1.1rem; flex: none; }

.talk-cards { display: flex; flex-direction: column; gap: 18px; }
.talk-card {
    padding: 32px 36px; background: var(--paper);
    border: 1px solid var(--hairline); border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: border-color .3s, box-shadow .3s;
}
.talk-card:hover { border-color: var(--orange-line); box-shadow: var(--shadow-hover); }
.talk-card.building { border-style: solid; }
.talk-card-head { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; margin-bottom: 10px; }
.talk-card-head h3 { font-size: 1.16rem; color: var(--brown); font-weight: 700; letter-spacing: .05em; }
.talk-card-agent {
    font-size: .76rem; color: var(--orange-deep); letter-spacing: .1em;
    border: 1px solid var(--orange-line); padding: 3px 12px; border-radius: 2px;
    background: var(--orange-soft);
}
.talk-card-desc { font-size: .92rem; color: var(--muted); line-height: 1.9; margin-bottom: 20px; }
.talk-card-btn {
    display: inline-block; padding: 11px 30px; border-radius: 2px;
    background: var(--orange); color: #fff !important; font-size: .88rem;
    letter-spacing: .16em; font-weight: 600; text-decoration: none;
    transition: background .25s;
}
.talk-card-btn:hover { background: var(--orange-deep); color: #fff; }
.talk-card-btn.disabled {
    background: transparent; color: var(--muted);
    border: 1px dashed var(--hairline-strong); cursor: default; letter-spacing: .1em;
}

/* 文章末尾的「开始交流」转化块 */
.article-cta {
    margin-top: 40px; padding: 26px 30px;
    background: var(--paper-warm); border: 1px solid var(--hairline);
    border-left: 3px solid var(--orange); border-radius: var(--radius-lg);
    display: flex; align-items: center; justify-content: space-between;
    gap: 18px 26px; flex-wrap: wrap;
}
.article-cta-text { flex: 1; min-width: 260px; }
.article-cta-text h4 {
    font-size: 1.04rem; color: var(--brown); font-weight: 700;
    letter-spacing: .04em; margin-bottom: 7px;
}
.article-cta-text p { font-size: .86rem; color: var(--muted); line-height: 1.95; }
.article-cta-btn {
    flex-shrink: 0; padding: 12px 30px; border-radius: 2px;
    background: var(--orange); color: #fff !important;
    font-size: .88rem; letter-spacing: .14em; font-weight: 600;
    text-decoration: none; transition: background .25s;
}
.article-cta-btn:hover { background: var(--orange-deep); }
.article-cta-note {
    width: 100%; font-size: .74rem; color: var(--faint); letter-spacing: .02em;
}

.talk-note {
    margin-top: 28px; padding: 22px 28px;
    background: var(--paper-warm); border: 1px solid var(--hairline);
    border-left: 3px solid var(--orange-line); border-radius: var(--radius-lg);
    font-size: .9rem; line-height: 2.05; color: var(--muted);
}
.talk-note strong { color: var(--brown); }
.talk-note-title {
    display: block; font-size: .8rem; color: var(--brown);
    letter-spacing: .3em; font-weight: 700; margin-bottom: 8px;
}

.contact-alt {
    margin-top: 40px; padding: 28px 32px;
    background: var(--bg-alt); border: 1px solid var(--hairline); border-radius: var(--radius-lg);
}
.contact-alt h4 { font-size: .82rem; color: var(--brown); letter-spacing: .3em; margin-bottom: 14px; }
.contact-alt-items { display: flex; gap: 12px 28px; flex-wrap: wrap; font-size: .9rem; }
.contact-alt-items span { color: var(--muted); }
.contact-alt-items a { color: var(--orange-deep); border-bottom: 1px solid var(--orange-line); }
.contact-alt-items a:hover { color: var(--orange); border-bottom-color: var(--orange); }

/* ── 联系页：高峰博士简介与团队展示 ───────────────────── */
.dr-profile {
    display: grid; grid-template-columns: 260px 1fr; gap: 38px;
    padding: 34px; margin-bottom: 46px;
    background: var(--paper); border: 1px solid var(--hairline);
    border-radius: var(--radius-lg); box-shadow: var(--shadow-card);
}
.dr-profile-photo img {
    display: block; width: 100%; border-radius: var(--radius);
    border: 1px solid var(--hairline); background: var(--paper-warm);
}
.dr-profile-body h3 {
    font-family: var(--font-serif); font-size: 1.5rem;
    letter-spacing: .18em; color: var(--brown); font-weight: 700;
}
.dr-profile-titles { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 8px; }
.dr-profile-titles span {
    font-size: .76rem; color: var(--orange-deep); letter-spacing: .08em;
    padding: 4px 12px; border: 1px solid var(--orange-line);
    border-radius: 999px; background: var(--orange-soft);
}
.dr-profile-cred { font-size: .88rem; color: var(--muted); letter-spacing: .04em; margin-bottom: 20px; }
.dr-profile-pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.dr-profile-pillar {
    padding: 18px 18px 16px; border-radius: var(--radius);
    background: var(--bg); border: 1px solid var(--hairline);
}
.dr-profile-pillar b {
    display: block; font-size: .92rem; color: var(--brown);
    letter-spacing: .06em; margin-bottom: 7px;
}
.dr-profile-pillar p { font-size: .82rem; color: var(--muted); line-height: 1.85; }
.contact-agents-head { text-align: center; margin-bottom: 30px; }
.contact-agents-head h3 {
    font-size: 1.2rem; color: var(--brown);
    letter-spacing: .14em; font-weight: 700;
}
.contact-agents-head p { font-size: .88rem; color: var(--muted); margin-top: 6px; }
.contact-team-more { text-align: center; margin-top: 38px; font-size: .9rem; color: var(--muted); }
.contact-team-more a { color: var(--orange-deep); border-bottom: 1px solid var(--orange-line); }
.contact-team-more a:hover { color: var(--orange); border-bottom-color: var(--orange); }

/* ── 板块页 ───────────────────────────────────────────── */
.pillar-hero {
    position: relative; padding: calc(var(--nav-height) + 52px) 0 40px;
    text-align: center; overflow: hidden;
    background: var(--bg);
    border-bottom: 1px solid var(--hairline);
}
.pillar-hero-line {
    display: flex; align-items: center; justify-content: center;
    gap: 18px; flex-wrap: wrap; margin-bottom: 12px;
}
.pillar-hero-icon {
    width: 46px; height: 46px; flex: none; border-radius: 4px;
    border: 2px solid var(--orange); color: var(--orange);
    display: inline-flex; align-items: center; justify-content: center;
    font-family: var(--font-serif); font-size: 1.5rem; font-weight: 700;
    background: var(--orange-soft);
}
.pillar-hero h1 {
    font-size: clamp(1.5rem, 3vw, 2rem); letter-spacing: .2em;
    color: var(--brown); font-weight: 700;
}
.pillar-hero-tagline { color: var(--muted); font-size: .94rem; letter-spacing: .06em; }
.pillar-hero-question {
    color: var(--orange-deep); font-style: italic; font-size: .94rem;
    letter-spacing: .05em; font-family: var(--font-serif);
}

.pillar-hero + .section { padding-top: 56px; }
.pillar-block { margin-bottom: 64px; }
.pillar-block-head {
    display: flex; align-items: baseline; gap: 16px; margin-bottom: 26px;
    padding-bottom: 14px; border-bottom: 2px solid var(--brown);
}
.pillar-block-head h2 { font-size: 1.4rem; letter-spacing: .12em; color: var(--brown); font-weight: 700; }
.pillar-block-head span { color: var(--faint); font-size: .84rem; letter-spacing: .08em; }
.pillar-block-head a { color: var(--orange-deep); border-bottom: 1px solid var(--orange-line); }
.pillar-block-head a:hover { color: var(--orange); }
.pillar-intro {
    font-family: var(--font-serif);
    font-size: 1.02rem; color: #3D3128; line-height: 2.1; max-width: 52em;
}

.pillar-nav { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin-top: 60px; }
.pillar-nav-item {
    display: flex; flex-direction: column; gap: 6px;
    padding: 26px; border-radius: var(--radius-lg);
    background: var(--paper); border: 1px solid var(--hairline);
    box-shadow: var(--shadow-card);
    transition: transform .3s, border-color .3s;
}
.pillar-nav-item:hover { transform: translateY(-3px); border-color: var(--orange-line); }
.pn-icon {
    font-size: 1.25rem; font-family: var(--font-serif); font-weight: 700;
    color: var(--orange); width: 40px; height: 40px; border-radius: 4px;
    border: 1.5px solid var(--orange-line); background: var(--orange-soft);
    display: flex; align-items: center; justify-content: center; margin-bottom: 8px;
}
.pn-name { color: var(--brown); font-size: 1.08rem; font-weight: 700; letter-spacing: .12em; font-family: var(--font-serif); }
.pn-tagline { color: var(--muted); font-size: .82rem; }

.disclaimer-bar {
    margin-top: 50px; padding: 22px 28px; border-radius: var(--radius);
    background: var(--paper-warm); border: 1px solid var(--hairline);
    color: var(--muted); font-size: .82rem; line-height: 1.9;
}

/* ── 文章卡片（板块页研究成果列表）────────────────────── */
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.article-card {
    display: flex; flex-direction: column;
    padding: 30px 28px; border-radius: var(--radius-lg);
    background: var(--paper); border: 1px solid var(--hairline);
    box-shadow: var(--shadow-card);
    transition: transform .3s, border-color .3s, box-shadow .3s;
    position: relative; overflow: hidden;
}
.article-card::before {
    content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: var(--orange); opacity: 0; transition: opacity .3s;
}
.article-card:hover { transform: translateY(-4px); border-color: var(--orange-line); box-shadow: var(--shadow-hover); }
.article-card:hover::before { opacity: 1; }
.article-meta { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; margin-bottom: 15px; }
.article-meta time { color: var(--faint); font-size: .76rem; margin-left: auto; letter-spacing: .06em; }
.article-card h3 {
    font-size: 1.08rem; line-height: 1.6; color: var(--brown);
    margin-bottom: 10px; font-weight: 700; letter-spacing: .02em;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.article-card:hover h3 { color: var(--orange-deep); }
.article-card > p {
    color: var(--muted); font-size: .87rem; flex: 1;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.article-author {
    margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--hairline-strong);
    display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.article-agents { font-size: .74rem; color: var(--faint); }
.byline-agent {
    display: inline-flex; align-items: center; gap: 7px;
    font-size: .78rem; color: var(--muted);
    padding: 3px 12px 3px 4px; border-radius: 999px;
    border: 1px solid var(--hairline); background: var(--bg);
}
.byline-agent img { width: 24px; height: 24px; border-radius: 50%; object-fit: cover; }

/* ── 高峰博士 ─────────────────────────────────────────── */
.dr-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.dr-card {
    padding: 38px 30px; border-radius: var(--radius-lg);
    background: var(--paper); border: 1px solid var(--hairline);
    box-shadow: var(--shadow-card);
    transition: transform .35s, border-color .35s, box-shadow .35s;
}
.dr-card:hover { transform: translateY(-4px); border-color: var(--orange-line); box-shadow: var(--shadow-hover); }
.dr-icon {
    font-family: var(--font-serif); font-size: 1.5rem; font-weight: 700;
    color: var(--orange); margin-bottom: 18px; letter-spacing: .1em;
}
.dr-card h3 { font-size: 1.14rem; color: var(--brown); letter-spacing: .06em; margin-bottom: 10px; font-weight: 700; }
.dr-headline {
    display: inline-block; font-size: .8rem; color: var(--brown);
    border: 1px solid var(--hairline-strong); border-radius: 999px;
    padding: 3px 14px; margin-bottom: 18px; background: var(--paper-warm);
    letter-spacing: .04em;
}
.dr-card ul { list-style: none; }
.dr-card li {
    position: relative; padding-left: 20px; margin-bottom: 12px;
    color: var(--muted); font-size: .9rem;
}
.dr-card li::before {
    content: "◆"; position: absolute; left: 0; top: 0;
    color: var(--orange); font-size: .6rem; line-height: 2.5;
}
.dr-quote {
    margin-top: 52px; text-align: center; padding: 44px 36px;
    border-radius: var(--radius-lg); position: relative;
    background: var(--paper);
    border-top: 3px solid var(--orange);
    border-left: 1px solid var(--hairline); border-right: 1px solid var(--hairline);
    border-bottom: 1px solid var(--hairline);
    color: var(--muted); font-size: 1.06rem; letter-spacing: .05em; line-height: 2.1;
    font-family: var(--font-serif);
}
.dr-quote b { color: var(--orange-deep); font-weight: 700; }

/* ── 智能体团队 ───────────────────────────────────────── */
.agent-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.agent-card {
    padding: 36px 26px 30px; border-radius: var(--radius-lg); text-align: center;
    background: var(--paper); border: 1px solid var(--hairline);
    box-shadow: var(--shadow-card);
    transition: transform .35s, border-color .35s, box-shadow .35s;
    position: relative; overflow: hidden;
}
.agent-card:hover { transform: translateY(-4px); border-color: var(--agent-color); box-shadow: var(--shadow-hover); }
.agent-avatar {
    width: 96px; height: 96px; margin: 0 auto 20px; border-radius: 50%;
    padding: 3px; background: var(--agent-color);
    transition: box-shadow .35s;
}
.agent-card:hover .agent-avatar { box-shadow: 0 4px 20px rgba(74, 55, 40, 0.18); }
.agent-avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; background: var(--paper-warm); border: 3px solid var(--paper); }
.agent-card h3 { font-size: 1.26rem; letter-spacing: .16em; color: var(--brown); font-weight: 700; }
.agent-role { font-size: .82rem; color: var(--agent-color); letter-spacing: .14em; margin: 5px 0 13px; font-weight: 600; }
.agent-desc { font-size: .88rem; color: var(--muted); min-height: 3.2em; margin-bottom: 16px; }
.agent-tags { display: flex; flex-wrap: wrap; gap: 7px; justify-content: center; }
.agent-tags span {
    font-size: .72rem; color: var(--muted); padding: 3px 11px;
    border: 1px solid var(--hairline); border-radius: 999px; background: var(--bg);
    letter-spacing: .03em;
}
.team-more { text-align: center; margin-top: 44px; }

/* ── 工作机制（团队页）────────────────────────────────── */
.mechanism {
    padding: 42px 40px; border-radius: var(--radius-lg); margin-bottom: 30px;
    background: var(--paper); border: 1px solid var(--hairline);
    box-shadow: var(--shadow-card);
}
.mechanism h3 { font-size: 1.26rem; color: var(--brown); letter-spacing: .06em; margin-bottom: 8px; font-weight: 700; }
.mechanism-sub { color: var(--muted); font-size: .92rem; margin-bottom: 30px; }
.rounds { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.round-item {
    text-align: center; padding: 20px 10px; border-radius: var(--radius);
    background: var(--bg); border: 1px solid var(--hairline);
    transition: border-color .3s, transform .3s;
}
.round-item:hover { border-color: var(--orange-line); transform: translateY(-3px); }
.round-num {
    width: 30px; height: 30px; margin: 0 auto 12px; border-radius: 50%;
    background: var(--brown); color: #FBF6EC;
    font-weight: 700; font-size: .86rem; display: flex; align-items: center; justify-content: center;
    font-family: var(--font-serif);
}
.round-item:hover .round-num { background: var(--orange); color: #fff; }
.round-name { font-size: .94rem; color: var(--ink); font-weight: 600; margin-bottom: 4px; letter-spacing: .04em; }
.round-desc { font-size: .74rem; color: var(--faint); line-height: 1.6; }

.topic-flow { display: flex; align-items: stretch; gap: 10px; margin-top: 24px; }
.topic-step {
    flex: 1; padding: 22px 18px; border-radius: var(--radius);
    background: var(--bg); border: 1px solid var(--hairline);
    transition: border-color .3s;
}
.topic-step:hover { border-color: var(--orange-line); }
.topic-step-title { color: var(--brown); font-weight: 700; font-size: .98rem; margin-bottom: 8px; letter-spacing: .08em; font-family: var(--font-serif); }
.topic-step p { color: var(--muted); font-size: .82rem; line-height: 1.75; }
.topic-arrow { align-self: center; color: var(--orange); font-size: 1.2rem; flex: none; }

/* ── 结尾 CTA ─────────────────────────────────────────── */
.final-cta {
    padding: 100px 0; text-align: center; position: relative;
    background: var(--bg-alt);
    border-top: 1px solid var(--hairline);
}
.final-cta h2 {
    font-size: clamp(1.55rem, 3.4vw, 2.3rem); letter-spacing: .12em; margin-bottom: 22px;
    color: var(--brown); font-weight: 700; line-height: 1.75;
}
.final-cta p { color: var(--muted); max-width: 620px; margin: 0 auto 42px; font-size: 1rem; line-height: 2; }

/* ── 文章详情页 ───────────────────────────────────────── */
.article-page { padding: calc(var(--nav-height) + 56px) 0 90px; }
.breadcrumb { font-size: .84rem; color: var(--faint); margin-bottom: 34px; letter-spacing: .06em; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--orange-deep); }
.breadcrumb span { margin: 0 8px; opacity: .55; }
.breadcrumb em { font-style: normal; color: var(--orange-deep); }

.article-head { margin-bottom: 44px; }
.article-head h1 {
    font-size: clamp(1.65rem, 3.6vw, 2.3rem); line-height: 1.55; letter-spacing: .04em;
    margin: 18px 0 20px; color: var(--brown); font-weight: 700;
}
.article-summary {
    color: var(--muted); font-size: 1.02rem; padding-left: 18px;
    border-left: 3px solid var(--orange); margin-bottom: 24px;
    font-family: var(--font-serif); line-height: 1.95;
}
.article-byline { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.ai-note {
    margin-top: 14px; font-size: .78rem; color: var(--faint); letter-spacing: .04em;
}
.ai-note a { color: var(--muted); border-bottom: 1px solid var(--hairline-strong); }
.ai-note a:hover { color: var(--orange-deep); border-bottom-color: var(--orange); }

.article-page .prose { padding-top: 38px; border-top: 1px solid var(--hairline); }

.disclaimer-box {
    margin-top: 56px; padding: 24px 28px; border-radius: var(--radius);
    background: var(--paper-warm); border: 1px solid var(--hairline);
}
.disclaimer-box strong { color: var(--brown); font-size: .88rem; letter-spacing: .16em; display: block; margin-bottom: 8px; }
.disclaimer-box p { color: var(--muted); font-size: .82rem; line-height: 1.9; }

.related { margin-top: 56px; }
.related h3 {
    font-size: 1.08rem; color: var(--brown); letter-spacing: .16em;
    margin-bottom: 18px; padding-bottom: 12px; border-bottom: 2px solid var(--brown);
    font-weight: 700;
}
.related-item {
    display: flex; align-items: center; gap: 14px;
    padding: 16px 6px; border-bottom: 1px solid var(--hairline);
    color: var(--muted); transition: color .25s, padding-left .25s;
}
.related-item:hover { color: var(--orange-deep); padding-left: 12px; }
.related-title { flex: 1; font-size: .94rem; }
.related-item time { font-size: .76rem; color: var(--faint); }

.article-back { display: flex; gap: 16px; justify-content: center; margin-top: 60px; flex-wrap: wrap; }

/* ── 404 ──────────────────────────────────────────────── */
.error-page {
    min-height: 80vh; display: flex; align-items: center; text-align: center;
    padding: calc(var(--nav-height) + 40px) 0 80px;
}
.error-code {
    font-size: clamp(5rem, 16vw, 9rem); font-weight: 700; line-height: 1;
    font-family: var(--font-serif); color: var(--brown); letter-spacing: .04em;
}
.error-page h1 { font-size: 1.6rem; letter-spacing: .24em; margin: 16px 0 10px; color: var(--brown); font-weight: 700; }
.error-page p { color: var(--muted); margin-bottom: 38px; }

/* ── 页脚：espresso 深棕 + 橙色缎带压顶 ───────────────── */
.site-footer {
    background: var(--brown-deep); border-top: 3px solid var(--orange);
    padding: 64px 0 0; margin-top: 0;
}
.footer-inner {
    max-width: var(--container); margin: 0 auto; padding: 0 24px 48px;
    display: grid; grid-template-columns: 1fr 1.6fr 1fr; gap: 40px;
}
.footer-col h4 {
    color: #F3EAD9; font-size: .9rem; letter-spacing: .26em;
    margin-bottom: 18px; font-weight: 600; font-family: var(--font-sans);
}
.footer-col a {
    display: block; color: rgba(243, 234, 217, 0.62); font-size: .88rem;
    margin-bottom: 10px; transition: color .25s, transform .25s;
}
.footer-col a:hover { color: #EE8A45; transform: translateX(4px); }
.footer-col p { color: rgba(243, 234, 217, 0.62); font-size: .86rem; margin-bottom: 8px; }
.footer-about p { line-height: 1.95; }
.footer-disclaimer { color: rgba(243, 234, 217, 0.4) !important; font-size: .76rem !important; margin-top: 14px !important; }
.footer-domain { color: #EE8A45 !important; letter-spacing: .1em; }
.footer-bottom {
    border-top: 1px solid rgba(243, 234, 217, 0.14); padding: 20px 24px;
    display: flex; justify-content: center; gap: 24px; flex-wrap: wrap;
    color: rgba(243, 234, 217, 0.45); font-size: .78rem; letter-spacing: .08em;
}
.footer-bottom a { color: rgba(243, 234, 217, 0.45); }
.footer-bottom a:hover { color: #EE8A45; }

/* ── 入场动效 ─────────────────────────────────────────── */
.reveal {
    opacity: 0; transform: translateY(22px);
    transition: opacity .7s ease, transform .7s ease;
    transition-delay: calc(var(--stagger, 0) * 80ms);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}

/* ── 响应式 ───────────────────────────────────────────── */
@media (max-width: 1180px) {
    .nav-links { gap: 0; }
    .nav-links a { padding: 8px 10px; font-size: .86rem; letter-spacing: .04em; }
}

@media (max-width: 1024px) {
    .dr-grid, .agent-grid, .article-grid { grid-template-columns: repeat(2, 1fr); }
    .rounds { grid-template-columns: repeat(3, 1fr); }
    .topic-flow { flex-wrap: wrap; }
    .topic-arrow { display: none; }
    .topic-step { flex: 1 1 40%; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .footer-about { grid-column: 1 / -1; }
    .talk-flow { flex-wrap: wrap; }
    .talk-step-arrow { display: none; }
    .talk-step { flex: 1 1 30%; }
    .dr-profile { gap: 26px; padding: 28px; }
    .dr-profile-pillars { grid-template-columns: 1fr; gap: 12px; }
}

@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .section-head { margin-bottom: 36px; }
    .section-head p { font-size: .92rem; }
    .tetra-panel { grid-template-columns: 1fr; gap: 18px; padding: 22px 20px; }
    .tetra-figure svg { max-width: 190px; }
    .tetra-faces { grid-template-columns: 1fr; gap: 8px; }
    .nav-toggle { display: block; }
    .nav-links {
        position: fixed; top: var(--nav-height); left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 0;
        background: rgba(253, 249, 242, 0.98);
        backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
        border-bottom: 1px solid var(--hairline-strong);
        padding: 12px 24px 20px;
        transform: translateY(-12px); opacity: 0; pointer-events: none;
        transition: transform .3s, opacity .3s;
    }
    .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
    .nav-links a { padding: 14px 10px; font-size: 1rem; border-bottom: 1px solid var(--hairline); }
    .nav-links a.active { border-bottom-color: var(--orange); }

    /* Hero 紧凑化 */
    .hero { padding: calc(var(--nav-height) + 46px) 0 58px; }
    .hero-content { padding: 0 18px; }
    .hero-badge { margin-bottom: 24px; padding: 8px 18px; letter-spacing: .1em; font-size: .86rem; }
    .hero-sub { letter-spacing: .22em; text-indent: .22em; font-size: 1.02rem; margin-bottom: 14px; }
    .hero-desc { font-size: .9rem; letter-spacing: .04em; }

    /* 信之引文卡：移动端紧凑化 */
    .hero { padding: calc(var(--nav-height) + 30px) 0 44px; }
    .letter-quote { margin-top: 26px; padding: 22px 20px 18px; }
    .letter-quote blockquote { font-size: .92rem; line-height: 1.95; }
    .letter-quote-foot { flex-direction: column; align-items: stretch; text-align: center; }
    .letter-quote-actions { width: 100%; flex-direction: column; }
    .letter-quote-btn { width: 100%; padding: 13px; }

    /* 首页板块卡 */
    .home-section { padding: 26px 22px; }
    .home-section-head { gap: 14px; }
    .home-section-more { display: none; }
    .home-section-intro { font-size: .9rem; }
    .seal { width: 42px; height: 42px; font-size: 1.3rem; }

    /* 链接卡：状态徽章换行 */
    .link-card { flex-direction: column; align-items: flex-start; gap: 10px; padding: 16px 18px; }
    a.link-card:hover { transform: none; }
    .link-desc { -webkit-line-clamp: 2; }
    .link-status { align-self: flex-start; }

    /* 信件页 */
    .letter-prose { font-size: 1rem; line-height: 2.05; }
    .letter-link { display: flex; width: 100%; justify-content: space-between; align-items: center; }
    .letter-legend { gap: 14px; font-size: .72rem; }

    /* 联系页 */
    .talk-card { padding: 26px 22px; }
    .talk-step { flex: 1 1 100%; }
    .contact-alt { padding: 22px 20px; }
    .dr-profile { grid-template-columns: 1fr; gap: 24px; padding: 24px 20px; }
    .dr-profile-photo { max-width: 230px; margin: 0 auto; }

    /* 板块页 */
    .pillar-hero { padding: calc(var(--nav-height) + 30px) 0 26px; }
    .pillar-hero-line { gap: 10px; }
    .pillar-hero-icon { width: 40px; height: 40px; font-size: 1.25rem; }
    .pillar-hero-tagline { font-size: .86rem; }
    .pillar-hero-question { font-size: .86rem; }
    .pillar-hero + .section { padding-top: 40px; }
    .pillar-block { margin-bottom: 52px; }
    .pillar-block-head h2 { font-size: 1.22rem; }
    .pillar-block-head span { font-size: .78rem; }
    .pillar-intro { font-size: .96rem; }

    /* 卡片与正文 */
    .dr-card { padding: 28px 22px; }
    .agent-avatar { width: 84px; height: 84px; }
    .agent-desc { font-size: .84rem; }
    .mechanism { padding: 24px 18px; }
    .mechanism h3 { font-size: 1.1rem; }
    .round-item { padding: 14px 8px; }
    .round-desc { font-size: .7rem; }
    .topic-step { padding: 16px 14px; flex: 1 1 100%; }
    .article-card { padding: 24px 20px; }
    .byline-agent { font-size: .74rem; padding: 2px 10px 2px 3px; }
    .byline-agent img { width: 22px; height: 22px; }
    .article-page { padding: calc(var(--nav-height) + 30px) 0 64px; }
    .prose { font-size: 1rem; line-height: 1.95; }
    .prose table { display: block; overflow-x: auto; white-space: nowrap; }
    .prose h2 { font-size: 1.24rem; }
    .disclaimer-box, .disclaimer-bar { padding: 16px 18px; font-size: .8rem; }
    .final-cta { padding: 72px 0; }
    .pillar-nav { grid-template-columns: 1fr; }
    .rounds { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr; gap: 30px; padding-bottom: 36px; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

/* ── 行业应用案例库（/article/ai-360-industry-cases）────── */
.case-status {
    display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
    margin: 30px 0 22px; padding: 12px 20px;
    background: var(--paper-warm); border: 1px dashed var(--hairline-strong);
    border-radius: var(--radius); font-size: .86rem; color: var(--muted);
}
.case-status-count { font-size: .95rem; color: var(--brown); }
.case-status-count b { color: var(--orange-deep); font-size: 1.15rem; }
.case-status-auto {
    margin-left: auto; font-size: .78rem; letter-spacing: .08em;
    color: var(--orange-deep); border: 1px solid var(--orange-line);
    padding: 3px 10px; border-radius: 999px; background: #fff;
}
.case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.case-card {
    display: flex; flex-direction: column;
    background: var(--paper); border: 1px solid var(--hairline);
    border-radius: var(--radius-lg); padding: 22px 24px 14px;
    box-shadow: var(--shadow-card); transition: border-color .3s, box-shadow .3s;
}
.case-card:hover { border-color: var(--orange-line); box-shadow: var(--shadow-hover); }
.case-card-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 10px; }
.case-no {
    flex: none; font-family: var(--font-serif); font-weight: 700;
    color: var(--orange); font-size: 1.05rem; letter-spacing: .04em;
}
.case-card-head h3 {
    flex: 1; font-size: 1.04rem; line-height: 1.5;
    color: var(--brown); letter-spacing: .02em;
}
.case-grade {
    flex: none; font-size: .7rem; color: var(--muted);
    border: 1px solid var(--hairline-strong); border-radius: 3px; padding: 2px 7px;
}
.case-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.case-tag {
    font-size: .74rem; padding: 3px 10px; border-radius: 999px;
    background: var(--paper-warm); border: 1px solid var(--hairline);
    color: var(--brown); letter-spacing: .03em;
}
.case-tag.tag-industry { background: rgba(232, 96, 12, .08); border-color: var(--orange-line); color: var(--orange-deep); }
.case-tag.tag-org { color: var(--muted); background: transparent; }
.case-field { margin-bottom: 10px; }
.case-field label, .case-comment label {
    display: block; font-size: .74rem; letter-spacing: .18em;
    color: var(--muted); margin-bottom: 4px; font-weight: 600;
}
.case-field p { font-size: .88rem; line-height: 1.85; color: #3D3128; }
.case-comment {
    margin-top: auto; padding: 10px 14px;
    border-left: 3px solid var(--orange); background: var(--paper-warm);
    border-radius: 0 var(--radius) var(--radius) 0;
}
.case-comment p { font-size: .86rem; line-height: 1.8; color: var(--brown); }
.case-card-foot {
    margin-top: 12px; padding-top: 8px; border-top: 1px dashed var(--hairline);
    font-size: .74rem; color: var(--muted); text-align: right;
}
.case-source { margin-top: 22px; font-size: .8rem; color: var(--muted); line-height: 1.8; }

@media (max-width: 860px) {
    .case-grid { grid-template-columns: 1fr; }
    .case-status-auto { margin-left: 0; }
}

@media (max-width: 480px) {
    .dr-grid, .agent-grid, .article-grid { grid-template-columns: 1fr; }
    .hero-badge { letter-spacing: .1em; font-size: .72rem; }
    .hero-title { letter-spacing: .04em; }
    .hero-sub { letter-spacing: .14em; text-indent: .14em; }
    .pillar-hero h1 { letter-spacing: .12em; }
    .btn { padding: 12px 26px; font-size: .88rem; letter-spacing: .12em; }
    .container { padding: 0 18px; }
    .article-head h1 { font-size: 1.42rem; }
    .home-section-head h3 { font-size: 1.1rem; }
    .home-section-tagline { font-size: .78rem; }
}

/* ═══════════════════════════════════════════════════════════
   高湾早报（首页每日板块，数据源 scripts/daily_brief.py → latest.json）
   ═══════════════════════════════════════════════════════════ */
.brief-section { padding: 68px 0 76px; }

.brief-head { text-align: center; max-width: 760px; margin: 0 auto 44px; }
.brief-kicker {
    display: inline-block; font-size: .72rem; letter-spacing: .34em;
    color: var(--orange); font-weight: 600; margin-bottom: 12px;
}
.brief-head h2 {
    font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 700;
    letter-spacing: .08em; color: var(--brown); margin-bottom: 12px;
}
.brief-date {
    font-family: var(--font-sans); font-size: .92rem; font-weight: 500;
    letter-spacing: .06em; color: var(--muted);
    border: 1px solid var(--hairline-strong); border-radius: 999px;
    padding: 3px 14px; vertical-align: middle; margin-left: 6px;
    white-space: nowrap;
}
.brief-head p { color: var(--muted); font-size: .95rem; }

.brief-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
    align-items: start;
}
.brief-card {
    background: var(--paper); border: 1px solid var(--hairline);
    border-radius: var(--radius-lg); padding: 22px 24px 20px;
    box-shadow: var(--shadow-card); transition: box-shadow .3s, border-color .3s;
}
.brief-card:hover { border-color: var(--orange-line); box-shadow: var(--shadow-hover); }
.brief-card--wide { grid-column: span 2; }

.brief-card-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.brief-card-head img {
    width: 42px; height: 42px; border-radius: 50%; object-fit: cover;
    border: 1.5px solid var(--hairline-strong); flex: none;
}
.brief-card-who { min-width: 0; }
.brief-card-who b {
    display: block; font-family: var(--font-serif); font-size: 1.02rem;
    color: var(--brown); letter-spacing: .04em; line-height: 1.35;
}
.brief-card-who span {
    display: block; font-size: .74rem; color: var(--muted);
    letter-spacing: .04em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.brief-card-tag {
    margin-left: auto; flex: none; font-size: .7rem; letter-spacing: .08em;
    color: var(--orange-deep); background: var(--orange-soft);
    border: 1px solid var(--orange-line); border-radius: 2px; padding: 2px 8px;
    white-space: nowrap;
}

/* 夜话卡 */
.brief-digest {
    font-family: var(--font-serif); font-size: 1rem; line-height: 1.9;
    color: #3D3128; margin-bottom: 12px;
}
.brief-themes { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.brief-theme {
    font-size: .78rem; color: var(--brown); background: var(--paper-warm);
    border: 1px solid var(--hairline-strong); border-radius: 2px;
    padding: 3px 10px; letter-spacing: .04em;
}
.brief-points { list-style: none; margin: 0; }
.brief-points li {
    font-size: .88rem; color: #3D3128; line-height: 1.7;
    padding: 6px 0; border-top: 1px dashed var(--hairline);
}
.brief-points li b {
    color: var(--orange-deep); font-weight: 600; margin-right: 10px;
    font-size: .82rem; letter-spacing: .04em; white-space: nowrap;
}
.brief-card-note {
    margin-top: 12px; font-size: .74rem; color: var(--faint); line-height: 1.7;
}
.brief-card-note a { color: var(--muted); text-decoration: underline; text-underline-offset: 3px; }

/* 三条式列表（新闻联播 / 财经 / AI 要闻） */
.brief-list { list-style: none; margin: 0; counter-reset: bl; }
.brief-list li {
    counter-increment: bl; position: relative;
    padding: 10px 0 10px 30px; border-top: 1px dashed var(--hairline);
}
.brief-list li:first-child { border-top: none; }
.brief-list li::before {
    content: counter(bl, cjk-ideographic);
    position: absolute; left: 0; top: 12px;
    font-family: var(--font-serif); font-size: .84rem; font-weight: 700;
    color: var(--orange); width: 20px; text-align: center;
}
.brief-item-title {
    display: block; font-size: .92rem; font-weight: 600; color: var(--brown);
    line-height: 1.55; letter-spacing: .02em;
}
.brief-item-src {
    font-style: normal; font-size: .7rem; color: var(--faint); font-weight: 400;
    border: 1px solid var(--hairline); border-radius: 2px;
    padding: 0 5px; margin-left: 6px; vertical-align: 1px; white-space: nowrap;
}
.brief-item-sub {
    display: block; font-size: .8rem; color: var(--muted); line-height: 1.65; margin-top: 4px;
}

/* 溢价指数仪表盘 */
.brief-gauges { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.gauge svg { width: 100%; height: auto; display: block; }
.gauge-track { fill: none; stroke: var(--hairline); stroke-width: 10; stroke-linecap: round; }
.gauge-fill { fill: none; stroke-width: 10; stroke-linecap: round; }
.gauge-val {
    text-anchor: middle; font-family: var(--font-serif); font-size: 26px;
    font-weight: 700; fill: var(--brown);
}
.gauge-band { text-anchor: middle; font-size: 11px; letter-spacing: 2px; font-weight: 600; }
.gauge-tick { font-size: 9.5px; fill: var(--faint); }
.gauge-meta { text-align: center; margin-top: 2px; }
.gauge-name {
    display: block; font-size: .8rem; font-weight: 600; color: var(--brown); letter-spacing: .1em;
}
.gauge-change {
    display: inline-block; font-size: .72rem; margin: 2px 4px 0 0;
    padding: 0 6px; border-radius: 2px; border: 1px solid var(--hairline-strong);
    color: var(--muted);
}
.gauge-change.up { color: #B23A0E; border-color: rgba(178, 58, 14, .35); background: rgba(178, 58, 14, .06); }
.gauge-change.down { color: #3E6B5A; border-color: rgba(62, 107, 90, .35); background: rgba(62, 107, 90, .06); }
.gauge-count { font-size: .7rem; color: var(--faint); }

.brief-layers { border-top: 1px dashed var(--hairline); padding-top: 10px; }
.layer-row {
    display: grid; grid-template-columns: 26px 58px 1fr 52px;
    align-items: center; gap: 8px; padding: 4px 0;
}
.layer-name {
    font-family: var(--font-serif); font-size: .78rem; font-weight: 700; color: var(--brown);
}
.layer-label {
    font-size: .72rem; color: var(--muted); white-space: nowrap;
    overflow: hidden; text-overflow: ellipsis; letter-spacing: .02em;
}
.layer-track {
    position: relative; height: 8px; background: var(--bg-alt);
    border: 1px solid var(--hairline); border-radius: 999px; overflow: hidden;
}
.layer-fill { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 999px; }
.layer-fair { position: absolute; top: -2px; bottom: -2px; width: 1.5px; background: var(--brown); opacity: .55; }
.layer-val { font-size: .76rem; font-weight: 600; text-align: right; font-variant-numeric: tabular-nums; }

/* 今日案例卡 */
.brief-case-name {
    font-size: 1.06rem; color: var(--brown); letter-spacing: .03em; margin-bottom: 2px;
}
.brief-case-meta { font-size: .76rem; color: var(--muted); margin-bottom: 10px; letter-spacing: .06em; }
.brief-case-body p { font-size: .86rem; color: #3D3128; line-height: 1.75; margin-bottom: 6px; }
.brief-case-body b, .brief-case-comment b {
    color: var(--orange-deep); font-size: .76rem; font-weight: 600;
    letter-spacing: .12em; margin-right: 10px; white-space: nowrap;
}
.brief-case-comment {
    font-size: .84rem; color: var(--muted); line-height: 1.7;
    background: var(--paper-warm); border-left: 3px solid var(--orange-line);
    padding: 8px 12px; border-radius: 0 var(--radius) var(--radius) 0; margin-top: 8px;
}

/* 补位 CTA 卡 */
.brief-card--cta { background: var(--paper-warm); border-style: dashed; }
.brief-cta-inner { text-align: center; padding: 10px 6px; }
.brief-cta-inner .seal { margin: 0 auto 12px; }
.brief-cta-inner h4 {
    font-size: 1rem; color: var(--brown); letter-spacing: .05em; margin-bottom: 8px;
}
.brief-cta-inner p { font-size: .82rem; color: var(--muted); line-height: 1.75; margin-bottom: 12px; }

.brief-more {
    display: inline-block; margin-top: 12px; font-size: .82rem;
    color: var(--orange-deep); letter-spacing: .06em;
    border-bottom: 1px solid var(--orange-line); padding-bottom: 2px;
}
.brief-more:hover { color: var(--orange); border-bottom-color: var(--orange); }

.brief-foot {
    margin-top: 26px; text-align: center; font-size: .74rem;
    color: var(--faint); letter-spacing: .04em; line-height: 1.8;
}

@media (max-width: 1024px) {
    .brief-grid { grid-template-columns: repeat(2, 1fr); }
    .brief-card--wide { grid-column: span 2; }
}
@media (max-width: 768px) {
    .brief-section { padding: 52px 0 60px; }
    .brief-grid { grid-template-columns: 1fr; }
    .brief-card--wide { grid-column: span 1; }
    .brief-date { display: inline-block; margin: 8px 0 0; }
    .layer-row { grid-template-columns: 24px 52px 1fr 48px; }
}

/* ═══════════════════════════════════════════════════════════
   2026-09-29 改版：首页身份定位 · 三大价值入口 · 团队条 ·
   早报摘要 · 四步诊断 · 财富体检 · 联系承诺
   纪律不变：纸白卡片 + 发丝线 + 橙色点睛，克制、研究机构感
   ═══════════════════════════════════════════════════════════ */

/* ── 首页第一屏：身份定位三行 ─────────────────────────── */
.hero-identity { margin-top: 30px; }
.hero-who {
    font-family: var(--font-serif);
    font-size: clamp(1.02rem, 1.9vw, 1.3rem); font-weight: 700;
    color: var(--brown); letter-spacing: .14em; margin-bottom: 14px;
}
.hero-position {
    max-width: 700px; margin: 0 auto 10px;
    font-size: clamp(.94rem, 1.5vw, 1.06rem); color: #3D3128;
    line-height: 1.95; letter-spacing: .04em;
}
.hero-note {
    font-size: .84rem; color: var(--faint); letter-spacing: .1em;
}

/* ── 三大核心价值入口 ─────────────────────────────────── */
.values-section { padding: 64px 0 72px; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.value-card {
    display: flex; flex-direction: column; align-items: flex-start;
    padding: 34px 30px 28px; border-radius: var(--radius-lg);
    background: var(--paper); border: 1px solid var(--hairline);
    box-shadow: var(--shadow-card); text-decoration: none;
    transition: transform .3s, border-color .3s, box-shadow .3s;
}
.value-card:hover { transform: translateY(-4px); border-color: var(--orange-line); box-shadow: var(--shadow-hover); }
.value-card .seal { margin-bottom: 18px; }
.value-card h3 {
    font-size: 1.24rem; color: var(--brown); letter-spacing: .12em;
    font-weight: 700; margin-bottom: 8px;
}
.value-card:hover h3 { color: var(--orange-deep); }
.value-audience {
    font-size: .78rem; color: var(--muted); letter-spacing: .06em;
    border: 1px solid var(--hairline-strong); border-radius: 999px;
    padding: 3px 12px; background: var(--bg); margin-bottom: 14px;
}
.value-desc {
    font-family: var(--font-serif);
    font-size: .92rem; color: var(--muted); line-height: 1.95;
    flex: 1; margin-bottom: 20px;
}
.value-btn {
    align-self: stretch; text-align: center;
    padding: 12px 20px; border-radius: 2px;
    border: 1px solid var(--brown); color: var(--brown);
    font-size: .88rem; letter-spacing: .14em; font-weight: 600;
    transition: background .25s, border-color .25s, color .25s;
}
.value-card:hover .value-btn { background: var(--orange); border-color: var(--orange); color: #fff; }

/* ── 首页团队条（高峰博士 + 高湾智能体团队）────────────── */
.home-team-section { padding: 72px 0 76px; }
.home-team-note { font-size: .88rem; color: var(--faint); margin-top: 8px; }
.team-strip {
    display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px;
}
.team-strip-item {
    text-align: center; padding: 24px 12px 20px;
    background: var(--paper); border: 1px solid var(--hairline);
    border-radius: var(--radius-lg); box-shadow: var(--shadow-card);
    transition: border-color .3s, transform .3s;
}
.team-strip-item:hover { border-color: var(--agent-color); transform: translateY(-3px); }
.team-strip-avatar {
    width: 72px; height: 72px; margin: 0 auto 12px; border-radius: 50%;
    padding: 2.5px; background: var(--agent-color);
}
.team-strip-avatar img {
    width: 100%; height: 100%; border-radius: 50%; object-fit: cover;
    background: var(--paper-warm); border: 2.5px solid var(--paper);
}
.team-strip-item h4 {
    font-family: var(--font-serif); font-size: 1.02rem; color: var(--brown);
    letter-spacing: .12em; font-weight: 700; margin-bottom: 4px;
}
.team-strip-item p { font-size: .76rem; color: var(--muted); line-height: 1.6; }
.home-team-more { text-align: center; margin-top: 38px; }
.home-team-more .btn { min-height: 44px; }

/* ── 首页早报摘要 ─────────────────────────────────────── */
.brief-summary-section { padding: 72px 0 76px; }
.brief-summary-head { text-align: center; max-width: 720px; margin: 0 auto 36px; }
.brief-summary-head h2 {
    font-size: clamp(1.55rem, 3vw, 2rem); font-weight: 700;
    letter-spacing: .08em; color: var(--brown); margin-bottom: 12px;
}
.brief-summary-head p { color: var(--muted); font-size: .95rem; }
.brief-summary-list {
    max-width: 860px; margin: 0 auto;
    background: var(--paper); border: 1px solid var(--hairline);
    border-radius: var(--radius-lg); box-shadow: var(--shadow-card);
    padding: 8px 26px;
}
.brief-summary-row {
    display: flex; align-items: baseline; gap: 16px;
    padding: 13px 0; border-top: 1px dashed var(--hairline);
    text-decoration: none; transition: background .2s;
}
.brief-summary-row:first-child { border-top: none; }
.brief-summary-row:hover .bsr-text { color: var(--orange-deep); }
.brief-summary-row:hover .bsr-arrow { color: var(--orange); transform: translateX(3px); }
.bsr-label {
    flex: none; width: 148px;
    font-size: .8rem; font-weight: 600; color: var(--brown); letter-spacing: .04em;
}
.bsr-text {
    flex: 1; min-width: 0; font-size: .88rem; color: var(--muted); line-height: 1.6;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    transition: color .2s;
}
.bsr-arrow { flex: none; color: var(--faint); font-size: .86rem; transition: color .2s, transform .2s; }
.brief-summary-foot { text-align: center; margin-top: 26px; }
.brief-summary-more {
    display: inline-block; padding: 12px 30px; border-radius: 2px;
    border: 1px solid var(--brown); color: var(--brown);
    font-size: .9rem; letter-spacing: .12em; font-weight: 600;
    transition: background .25s, border-color .25s, color .25s;
}
.brief-summary-more:hover { background: var(--orange); border-color: var(--orange); color: #fff; }
.brief-summary-note {
    display: block; margin-top: 14px;
    font-size: .74rem; color: var(--faint); letter-spacing: .04em;
}

/* ── 首页《高湾的信》摘录区块（样式见 letter-teaser）───── */

/* ── 方法论纵向流程图（Growth 五步 / Protect 四步共用）──── */
.flow-section { padding: 64px 0 40px; }
.flow-steps { position: relative; }
.flow-step { display: flex; gap: 22px; }
.flow-step-rail {
    flex: none; display: flex; flex-direction: column; align-items: center;
    width: 46px;
}
.flow-step-num {
    flex: none; width: 46px; height: 46px; border-radius: 50%;
    background: var(--paper); border: 2px solid var(--orange);
    color: var(--orange); font-family: var(--font-serif); font-weight: 700;
    font-size: 1.02rem; letter-spacing: .02em;
    display: flex; align-items: center; justify-content: center;
}
.flow-step-line {
    flex: 1; width: 2px; min-height: 26px; margin: 6px 0;
    background: linear-gradient(var(--orange-line), var(--hairline-strong));
}
.flow-step-body {
    flex: 1; min-width: 0;
    padding: 4px 26px 34px;
    border-left: 0;
}
.flow-step:last-child .flow-step-body { padding-bottom: 6px; }
.flow-step-body h3 {
    font-size: 1.16rem; color: var(--brown); letter-spacing: .14em;
    font-weight: 700; margin-bottom: 6px;
}
.flow-step-q {
    font-family: var(--font-serif);
    font-size: 1rem; color: var(--orange-deep); font-weight: 700;
    letter-spacing: .03em; margin-bottom: 8px;
}
.flow-step-desc { font-size: .92rem; color: #3D3128; line-height: 1.95; }
.flow-step-points { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.flow-step-points span {
    font-size: .78rem; color: var(--brown); padding: 5px 14px;
    border: 1px solid var(--hairline-strong); border-radius: 999px;
    background: var(--paper); letter-spacing: .04em;
}
.flow-map-line {
    margin: 34px 0 26px; padding: 28px 34px;
    background: var(--paper-warm); border-left: 4px solid var(--orange);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    font-family: var(--font-serif);
    font-size: clamp(1.04rem, 1.8vw, 1.24rem); color: var(--brown);
    line-height: 2; letter-spacing: .04em; font-weight: 700; text-align: center;
}

/* ── 企业AI增长页：诊断交付清单 ───────────────────────── */
.growth-deliver {
    padding: 34px 38px 30px; border-radius: var(--radius-lg);
    background: var(--paper); border: 1px solid var(--hairline);
    box-shadow: var(--shadow-card);
}
.growth-deliver h3 {
    font-size: 1.12rem; color: var(--brown); letter-spacing: .08em;
    font-weight: 700; margin-bottom: 20px;
}
.growth-deliver-list {
    list-style: none; counter-reset: gd;
    display: grid; grid-template-columns: 1fr 1fr; gap: 12px 28px;
}
.growth-deliver-list li {
    counter-increment: gd; position: relative; padding-left: 40px;
    font-size: .94rem; color: #3D3128; line-height: 1.7;
}
.growth-deliver-list li::before {
    content: counter(gd, cjk-ideographic);
    position: absolute; left: 0; top: 1px;
    width: 26px; height: 26px; border-radius: 50%;
    background: var(--orange-soft); border: 1px solid var(--orange-line);
    color: var(--orange-deep); font-family: var(--font-serif); font-weight: 700;
    font-size: .82rem; display: flex; align-items: center; justify-content: center;
}
.flow-cta { margin-top: 26px; text-align: center; }
.flow-cta .btn { min-height: 44px; }

/* ── 财富守护页：体检原则与工具定位 ───────────────────── */
.protect-principle {
    padding: 30px 36px; margin-bottom: 26px;
    background: var(--paper-warm); border-left: 4px solid var(--orange);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    font-family: var(--font-serif);
    font-size: clamp(1.1rem, 2vw, 1.4rem); color: var(--brown);
    line-height: 1.9; letter-spacing: .05em; font-weight: 700; text-align: center;
}
.protect-lead {
    font-family: var(--font-serif);
    font-size: 1rem; color: #3D3128; line-height: 2.05; margin-bottom: 30px;
}
.protect-tool-note {
    margin-top: 4px; padding: 18px 24px;
    border: 1px dashed var(--hairline-strong); border-radius: var(--radius);
    background: var(--bg-alt);
    font-size: .9rem; color: var(--muted); line-height: 1.95;
}

/* ── 首页《高湾的信》摘录卡 ───────────────────────────── */
.home-letter-section { padding: 68px 0 72px; }
.letter-teaser {
    max-width: 680px; margin: 0 auto; text-align: center;
    padding: 40px 44px 36px;
    background: var(--paper); border: 1px solid var(--hairline);
    border-top: 3px solid var(--orange);
    border-radius: var(--radius-lg); box-shadow: var(--shadow-card);
}
.letter-teaser .letter-quote-mark { margin: 0 auto 16px; }
.letter-teaser h2 {
    font-size: clamp(1.3rem, 2.6vw, 1.66rem); color: var(--brown);
    letter-spacing: .12em; font-weight: 700; margin-bottom: 18px;
}
.letter-teaser-lines p {
    font-family: var(--font-serif);
    font-size: .98rem; color: #3D3128; line-height: 2.1;
}
.letter-teaser-btn {
    display: inline-block; margin-top: 22px; padding: 12px 32px;
    border: 1px solid var(--brown); border-radius: 2px;
    color: var(--brown); font-size: .9rem; letter-spacing: .14em; font-weight: 600;
    transition: background .25s, border-color .25s, color .25s;
}
.letter-teaser-btn:hover { background: var(--orange); border-color: var(--orange); color: #fff; }

/* ── 首页深思考区块 ───────────────────────────────────── */
.home-think-section { padding: 72px 0 76px; }

/* ── 收尾统一 CTA ─────────────────────────────────────── */
.final-talk-btn { font-size: 1rem; padding: 15px 44px; min-height: 48px; cursor: pointer; font-family: inherit; }
.final-cta-route {
    margin-top: 18px; font-size: .82rem; color: var(--faint); letter-spacing: .06em;
}

/* ── 联系页：三条承诺 ─────────────────────────────────── */
.contact-promises {
    display: flex; justify-content: center; gap: 12px; flex-wrap: wrap;
    margin-top: 26px;
}
.contact-promises span {
    font-size: .82rem; color: var(--brown); letter-spacing: .06em;
    padding: 8px 18px; border-radius: 999px;
    background: var(--orange-soft); border: 1px solid var(--orange-line);
}

/* ── 新版块响应式 ─────────────────────────────────────── */
@media (max-width: 1024px) {
    .team-strip { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    /* 第一屏：紧凑但不局促 */
    .hero-identity { margin-top: 24px; }
    .hero-who { letter-spacing: .08em; }
    .hero-position { font-size: .92rem; }
    .hero-note { font-size: .78rem; letter-spacing: .06em; }

    /* 三大价值入口：单列，按钮满宽（触控友好） */
    .values-section { padding: 44px 0 52px; }
    .value-grid { grid-template-columns: 1fr; gap: 16px; }
    .value-card { padding: 26px 22px 22px; }
    .value-btn { padding: 13px 20px; }

    /* 团队条：横向滑动（scroll-snap），头像紧凑 */
    .home-team-section { padding: 52px 0 56px; }
    .home-team-section .section-head h2 { font-size: 1.42rem; letter-spacing: .04em; }
    .team-strip {
        display: flex; gap: 12px; overflow-x: auto;
        scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
        padding: 4px 2px 14px; margin: 0 -18px; padding-left: 18px; padding-right: 18px;
    }
    .team-strip-item {
        flex: 0 0 42%; scroll-snap-align: start; padding: 20px 10px 16px;
    }
    .team-strip-avatar { width: 62px; height: 62px; }
    .home-team-more .btn { width: 100%; padding: 13px 20px; }

    /* 早报摘要：标签换行到文本上方 */
    .brief-summary-section { padding: 52px 0 56px; }
    .brief-summary-list { padding: 6px 18px; }
    .brief-summary-row { flex-wrap: wrap; gap: 4px 10px; padding: 14px 0; }
    .bsr-label { width: auto; }
    .bsr-text { flex: 1 1 100%; order: 3; padding-right: 20px; }
    .bsr-arrow { margin-left: auto; align-self: center; }
    .brief-summary-more { display: block; padding: 13px 20px; }

    /* 首页信摘录卡 */
    .home-letter-section { padding: 52px 0 56px; }
    .letter-teaser { padding: 30px 22px 28px; }

    /* 收尾统一 CTA */
    .final-cta { padding: 64px 0 72px; }
    .final-talk-btn { width: 100%; max-width: 420px; }

    /* 方法论流程图：移动端收窄轨道与内边距 */
    .flow-section { padding: 44px 0 24px; }
    .flow-step { gap: 14px; }
    .flow-step-rail { width: 38px; }
    .flow-step-num { width: 38px; height: 38px; font-size: .9rem; }
    .flow-step-body { padding: 2px 0 28px; }
    .flow-step-body h3 { font-size: 1.06rem; letter-spacing: .1em; }
    .flow-step-q { font-size: .94rem; }
    .flow-step-desc { font-size: .88rem; }
    .flow-map-line { padding: 22px 18px; margin: 26px 0 20px; }
    .growth-deliver { padding: 26px 22px 22px; }
    .growth-deliver-list { grid-template-columns: 1fr; }

    /* 财富体检 */
    .protect-principle { padding: 24px 20px; }

    /* 联系承诺 */
    .contact-promises { flex-direction: column; align-items: stretch; }
    .contact-promises span { text-align: center; }

    /* 触控目标保底 */
    .talk-card-btn { display: inline-block; min-height: 44px; line-height: 1.5; padding: 12px 30px; }
}