/* ==========================================================================
   会易君 · custom.css
   会场预定策划服务 · 设计系统 + 全局布局 + 导航/页脚 + 首页 + 共享组件
   轻量自写响应式（不依赖 Bootstrap），图标用 FontAwesome，禁用 emoji
   气质：商务信赖 · 深海军蓝 + 香槟金 · 高端会务
   ========================================================================== */

:root {
    --brand: #16457A;
    --brand-600: #103458;
    --brand-700: #0B2743;
    --brand-050: #EEF3F9;
    --brand-100: #DBE6F2;
    --accent: #C79A46;
    --accent-600: #A97F2E;
    --accent-050: #FBF5E9;
    --gold: #C79A46;
    --gold-600: #A97F2E;
    --ink: #0C1B2E;
    --ink-2: #12283F;
    --text: #16233A;
    --text-2: #495569;
    --text-muted: #8791A3;
    --bg: #FFFFFF;
    --bg-alt: #F3F6FA;
    --bg-soft: #FAFBFD;
    --border: #E2E8F1;
    --border-2: #EDF1F6;
    --white: #ffffff;
    --radius: 14px;
    --radius-sm: 10px;
    --radius-lg: 22px;
    --shadow-sm: 0 2px 8px rgba(12, 27, 46, 0.06);
    --shadow: 0 8px 28px rgba(12, 27, 46, 0.09);
    --shadow-lg: 0 20px 50px rgba(12, 27, 46, 0.16);
    --container: 1200px;
    --header-h: 68px;
    --font: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --font-serif: "Noto Serif SC", Georgia, "Songti SC", "SimSun", serif;
}

/* ---------- reset ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--brand); }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5 { font-weight: 700; line-height: 1.35; color: var(--text); }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
i { font-style: normal; }

/* ---------- layout helpers ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.section { padding: 72px 0; }
.section-alt { background: var(--bg-alt); }
.section-soft { background: var(--bg-soft); }
.section-dark { background: var(--ink); color: rgba(255, 255, 255, .82); }
.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 { color: #fff; }
.text-center { text-align: center; }

.section-header { max-width: 730px; margin: 0 auto 44px; text-align: center; }
.section-header .eyebrow { margin-bottom: 14px; }
.section-header h2 { font-size: 30px; letter-spacing: -.5px; font-family: var(--font-serif); }
.section-header p { margin-top: 12px; color: var(--text-2); font-size: 15px; }
.section-dark .section-header p { color: rgba(255, 255, 255, .6); }

.eyebrow {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 14px; border-radius: 999px;
    background: var(--brand-050); color: var(--brand);
    font-size: 12px; font-weight: 700; letter-spacing: .5px;
}
.eyebrow.eyebrow-accent { background: var(--accent-050); color: var(--accent-600); }

/* ---------- buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 13px 26px; border-radius: var(--radius-sm);
    font-size: 14px; font-weight: 700; white-space: nowrap;
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn i { font-size: 13px; }
.btn-sm { padding: 10px 18px; font-size: 13px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 8px 20px rgba(22, 69, 122, .26); }
.btn-primary:hover { background: var(--brand-600); color: #fff; transform: translateY(-2px); box-shadow: 0 12px 26px rgba(22, 69, 122, .32); }
.btn-gold { background: linear-gradient(135deg, #D9AF5E, var(--accent)); color: #3a2a05; box-shadow: 0 8px 20px rgba(199, 154, 70, .32); }
.btn-gold:hover { background: linear-gradient(135deg, var(--accent), var(--accent-600)); color: #3a2a05; transform: translateY(-2px); }
.btn-accent { background: var(--accent); color: #3a2a05; }
.btn-accent:hover { background: var(--accent-600); color: #fff; transform: translateY(-2px); }
.btn-ghost { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn-outline-light { background: transparent; color: #fff; border: 1px solid rgba(255, 255, 255, .35); }
.btn-outline-light:hover { background: rgba(255, 255, 255, .1); color: #fff; }
.btn-group { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* ---------- announcement ---------- */
.announcement { background: linear-gradient(90deg, var(--ink), var(--ink-2)); color: #fff; font-size: 13px; }
.announcement-inner { display: flex; align-items: center; justify-content: center; gap: 18px; padding: 9px 20px; flex-wrap: wrap; }
.announcement i { color: var(--gold); }
.announcement a { color: var(--gold); font-weight: 700; white-space: nowrap; }
.announcement a:hover { color: #fff; }

/* ---------- header ---------- */
#header {
    position: sticky; top: 0; z-index: 900;
    background: rgba(255, 255, 255, .98);
    border-bottom: 1px solid var(--border-2);
    transition: box-shadow .2s ease;
}
#header.scrolled { box-shadow: var(--shadow-sm); }
.nav-bar { display: flex; align-items: center; height: var(--header-h); gap: 24px; }
.logo { display: inline-flex; align-items: center; gap: 10px; }
.logo-icon {
    width: 38px; height: 38px; border-radius: 10px;
    display: inline-flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--brand), var(--brand-700)); color: var(--gold); font-size: 17px;
}
.logo-text strong { display: block; font-size: 18px; letter-spacing: .5px; color: var(--text); line-height: 1.2; font-family: var(--font-serif); }
.logo-text small { display: block; font-size: 11px; color: var(--text-muted); letter-spacing: 1px; }
.logo-light .logo-text strong { color: #fff; }

.nav-links { display: flex; align-items: center; gap: 4px; margin-left: 12px; }
.nav-link { display: inline-block; padding: 8px 14px; border-radius: 8px; font-size: 14px; font-weight: 500; color: var(--text-2); }
.nav-link:hover { color: var(--brand); background: var(--brand-050); }
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.nav-tel { display: inline-flex; align-items: center; gap: 7px; font-size: 15px; font-weight: 800; color: var(--brand); }
.nav-tel i { color: var(--gold); }

.hamburger { display: none; width: 40px; height: 40px; border-radius: 8px; flex-direction: column; justify-content: center; align-items: center; gap: 5px; margin-left: auto; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: .25s ease; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
    position: fixed; top: 0; right: 0; bottom: 0; z-index: 950;
    width: 80%; max-width: 320px; background: #fff;
    padding: 84px 22px 30px; box-shadow: var(--shadow-lg);
    transform: translateX(100%); transition: transform .3s ease;
    overflow-y: auto;
}
.mobile-nav.open { transform: translateX(0); }
.mobile-link { display: block; padding: 14px 6px; font-size: 15px; font-weight: 500; border-bottom: 1px solid var(--border-2); color: var(--text); }
.mobile-cta { margin-top: 22px; }
body.nav-open { overflow: hidden; }
.nav-overlay { position: fixed; inset: 0; z-index: 940; background: rgba(12, 27, 46, .45); opacity: 0; visibility: hidden; transition: .3s ease; }
.nav-overlay.show { opacity: 1; visibility: visible; }

/* ---------- hero (index) ---------- */
.hero {
    position: relative; overflow: hidden;
    background: radial-gradient(1200px 500px at 82% -10%, rgba(199, 154, 70, .18), transparent 60%),
                linear-gradient(160deg, var(--ink) 0%, var(--ink-2) 55%, #16345a 100%);
    color: #fff; padding: 86px 0 92px;
}
.hero::after { content: ""; position: absolute; left: -80px; bottom: -120px; width: 360px; height: 360px; border-radius: 50%; background: radial-gradient(circle, rgba(22, 69, 122, .5), transparent 70%); }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 48px; align-items: center; position: relative; z-index: 2; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 7px 15px; border-radius: 999px; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .16); font-size: 13px; font-weight: 600; margin-bottom: 22px; }
.hero-eyebrow i { color: var(--gold); }
.hero h1 { font-size: 46px; line-height: 1.22; letter-spacing: -1px; color: #fff; font-family: var(--font-serif); }
.hero h1 em { font-style: normal; color: transparent; background: linear-gradient(90deg, #E4C377, var(--gold)); -webkit-background-clip: text; background-clip: text; }
.hero-sub { margin: 20px 0 30px; font-size: 16px; color: rgba(255, 255, 255, .74); max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-stats { display: flex; gap: 34px; margin-top: 40px; flex-wrap: wrap; }
.hero-stat strong { display: block; font-size: 27px; color: #fff; font-family: var(--font-serif); }
.hero-stat strong em { font-style: normal; color: var(--gold); }
.hero-stat span { font-size: 13px; color: rgba(255, 255, 255, .6); }

/* hero visual panel */
.hero-panel {
    position: relative; background: linear-gradient(150deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
    border: 1px solid rgba(255, 255, 255, .14); border-radius: 20px; padding: 26px;
    box-shadow: var(--shadow-lg);
}
.hero-panel-title { display: flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 700; color: #fff; padding-bottom: 16px; margin-bottom: 6px; border-bottom: 1px solid rgba(255,255,255,.12); }
.hero-panel-title i { color: var(--gold); }
.hero-panel-list { display: flex; flex-direction: column; }
.hero-panel-item { display: flex; align-items: center; gap: 13px; padding: 14px 4px; border-bottom: 1px dashed rgba(255,255,255,.1); }
.hero-panel-item:last-child { border-bottom: 0; }
.hero-panel-ic { flex: 0 0 40px; width: 40px; height: 40px; border-radius: 11px; display: inline-flex; align-items: center; justify-content: center; background: rgba(199,154,70,.16); color: var(--gold); font-size: 17px; }
.hero-panel-tx strong { display: block; font-size: 14.5px; color: #fff; }
.hero-panel-tx span { font-size: 12.5px; color: rgba(255,255,255,.6); }
.hero-badges { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.hero-badge { display: inline-flex; align-items: center; gap: 7px; padding: 8px 12px; border-radius: 10px; background: rgba(255, 255, 255, .07); font-size: 12px; color: rgba(255, 255, 255, .8); }
.hero-badge i { color: var(--gold); }

/* ---------- trust bar ---------- */
.trust-bar { background: #fff; border-bottom: 1px solid var(--border-2); }
.trust-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 34px; padding: 22px 0; }
.trust-item { display: inline-flex; align-items: center; gap: 9px; font-size: 14px; color: var(--text-2); font-weight: 500; }
.trust-item i { color: var(--accent-600); font-size: 16px; }

/* ---------- generic card grids ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.icon-card {
    background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
    padding: 28px 24px; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.icon-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--brand-100); }
.icon-badge {
    width: 52px; height: 52px; border-radius: 13px; margin-bottom: 16px;
    display: inline-flex; align-items: center; justify-content: center; font-size: 21px;
    background: var(--brand-050); color: var(--brand);
}
.icon-badge.accent { background: var(--accent-050); color: var(--accent-600); }
.icon-badge.gold { background: rgba(199, 154, 70, .14); color: var(--gold-600); }
.icon-card h4 { font-size: 17px; margin-bottom: 8px; }
.icon-card p { font-size: 14px; color: var(--text-2); }

/* ---------- services (提供服务) ---------- */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-card {
    position: relative; overflow: hidden; background: #fff; border: 1px solid var(--border);
    border-radius: var(--radius); padding: 30px 26px; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.service-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: linear-gradient(var(--brand), var(--accent)); transform: scaleY(0); transform-origin: top; transition: transform .25s ease; }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--brand-100); }
.service-card:hover::before { transform: scaleY(1); }
.service-ic { width: 56px; height: 56px; border-radius: 15px; display: inline-flex; align-items: center; justify-content: center; font-size: 23px; background: linear-gradient(135deg, var(--brand-050), #fff); color: var(--brand); border: 1px solid var(--border-2); margin-bottom: 18px; }
.service-card h3 { font-size: 19px; margin-bottom: 10px; }
.service-card p { font-size: 14px; color: var(--text-2); margin-bottom: 14px; }
.service-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.service-tags span { display: inline-block; padding: 4px 11px; border-radius: 999px; background: var(--bg-alt); color: var(--text-2); font-size: 12px; }

/* one-stop feature strip */
.onestop { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 28px; }
.onestop-item { display: flex; align-items: center; gap: 12px; padding: 16px 18px; background: var(--bg-alt); border-radius: var(--radius-sm); }
.onestop-item i { color: var(--accent-600); font-size: 18px; }
.onestop-item span { font-size: 14px; font-weight: 600; color: var(--text); }

/* ---------- flow / process steps (服务流程) ---------- */
.flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px 22px; counter-reset: flow; }
.flow-step { position: relative; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 24px 24px; transition: transform .2s ease, box-shadow .2s ease; }
.flow-step:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.flow-num {
    counter-increment: flow; position: absolute; top: -18px; left: 24px;
    width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--brand), var(--brand-700)); color: var(--gold); font-weight: 800; font-size: 18px;
    box-shadow: 0 8px 18px rgba(22, 69, 122, .3); font-family: var(--font-serif);
}
.flow-num::before { content: "0" counter(flow); }
.flow-step i { font-size: 22px; color: var(--accent-600); margin: 12px 0 8px; }
.flow-step h4 { font-size: 17px; margin-bottom: 7px; }
.flow-step p { font-size: 13.5px; color: var(--text-2); }

/* ---------- why choose (为什么选择) ---------- */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.why-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 24px; text-align: center; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.why-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--brand-100); }
.why-ic { width: 62px; height: 62px; margin: 0 auto 18px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 25px; background: radial-gradient(circle at 30% 30%, var(--brand-050), #fff); color: var(--brand); border: 1px solid var(--border); }
.why-card h4 { font-size: 17px; margin-bottom: 8px; }
.why-card .why-hl { color: var(--accent-600); font-weight: 800; }
.why-card p { font-size: 13.5px; color: var(--text-2); }

/* ---------- comparison table (优势对比 我们 vs 其他) ---------- */
.compare { max-width: 960px; margin: 0 auto; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); }
.compare-head { display: grid; grid-template-columns: 1.1fr 1fr 1fr; }
.compare-head > div { padding: 20px 22px; font-weight: 700; }
.compare-head .ch-feat { background: var(--bg-alt); color: var(--text-2); font-size: 14px; display: flex; align-items: center; }
.compare-head .ch-us { background: linear-gradient(135deg, var(--brand), var(--brand-700)); color: #fff; text-align: center; font-size: 16px; }
.compare-head .ch-us i { color: var(--gold); margin-right: 6px; }
.compare-head .ch-other { background: var(--bg-soft); color: var(--text-muted); text-align: center; font-size: 15px; }
.compare-row { display: grid; grid-template-columns: 1.1fr 1fr 1fr; border-top: 1px solid var(--border-2); }
.compare-row > div { padding: 18px 22px; font-size: 14px; }
.compare-row .cr-feat { font-weight: 600; color: var(--text); background: var(--bg-alt); display: flex; align-items: center; gap: 8px; }
.compare-row .cr-feat i { color: var(--brand); }
.compare-row .cr-us { color: var(--text-2); }
.compare-row .cr-us i { color: var(--accent-600); margin-right: 7px; }
.compare-row .cr-other { color: var(--text-muted); background: var(--bg-soft); }
.compare-row .cr-other i { color: #C7CDD8; margin-right: 7px; }

/* ---------- problems (自行寻找会遇到的问题) ---------- */
.problem-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.problem-card { display: flex; gap: 16px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 24px; transition: box-shadow .2s ease, border-color .2s ease; }
.section-dark .problem-card { background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.09); }
.problem-card:hover { box-shadow: var(--shadow); border-color: var(--brand-100); }
.section-dark .problem-card:hover { border-color: rgba(199,154,70,.4); box-shadow: none; }
.problem-ic { flex: 0 0 46px; width: 46px; height: 46px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; font-size: 19px; background: #FDEEE8; color: #D8562B; }
.section-dark .problem-ic { background: rgba(216,86,43,.16); color: #F0916E; }
.problem-tx strong { display: block; font-size: 16px; margin-bottom: 6px; color: var(--text); }
.section-dark .problem-tx strong { color: #fff; }
.problem-tx p { font-size: 13.5px; color: var(--text-2); }
.section-dark .problem-tx p { color: rgba(255,255,255,.62); }
.problem-solve { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; padding: 8px 16px; border-radius: 999px; background: var(--accent-050); color: var(--accent-600); font-size: 13px; font-weight: 700; }
.section-dark .problem-solve { background: rgba(199,154,70,.16); color: var(--gold); }

/* ---------- consult form (提交咨询表单) ---------- */
.consult { position: relative; overflow: hidden; background: radial-gradient(800px 340px at 85% 0, rgba(199,154,70,.16), transparent 60%), linear-gradient(155deg, var(--ink), var(--ink-2)); color: #fff; }
.consult-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 48px; align-items: center; }
.consult-info .eyebrow { background: rgba(199,154,70,.16); color: var(--gold); }
.consult-info h2 { font-size: 30px; color: #fff; margin: 16px 0 14px; font-family: var(--font-serif); }
.consult-info p { color: rgba(255,255,255,.72); font-size: 15px; margin-bottom: 24px; }
.consult-points { display: flex; flex-direction: column; gap: 14px; }
.consult-point { display: flex; align-items: center; gap: 12px; font-size: 14.5px; color: rgba(255,255,255,.86); }
.consult-point i { flex: 0 0 30px; width: 30px; height: 30px; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; background: rgba(199,154,70,.18); color: var(--gold); font-size: 13px; }
.consult-tel { display: inline-flex; align-items: center; gap: 12px; margin-top: 26px; padding: 16px 22px; border-radius: var(--radius); background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); }
.consult-tel i { font-size: 24px; color: var(--gold); }
.consult-tel small { display: block; font-size: 12px; color: rgba(255,255,255,.6); }
.consult-tel strong { font-size: 22px; color: #fff; letter-spacing: .5px; font-family: var(--font-serif); }

.consult-card { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 34px 32px; color: var(--text); }
.consult-card h3 { font-size: 21px; margin-bottom: 6px; }
.consult-card > p { font-size: 13.5px; color: var(--text-muted); margin-bottom: 22px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 16px; }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 13px; font-weight: 600; color: var(--text); }
.form-field label .req { color: #D8562B; margin-left: 2px; }
.form-field .input-wrap { position: relative; }
.form-field .input-wrap > i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 14px; pointer-events: none; }
.form-field input, .form-field select, .form-field textarea {
    width: 100%; font-family: inherit; font-size: 14px; color: var(--text);
    padding: 12px 14px 12px 38px; border: 1px solid var(--border); border-radius: var(--radius-sm);
    background: var(--bg-soft); transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.form-field textarea { padding-left: 14px; resize: vertical; min-height: 84px; }
.form-field select { appearance: none; cursor: pointer; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: 0; border-color: var(--brand); background: #fff; box-shadow: 0 0 0 3px rgba(22, 69, 122, .1); }
.form-field.error input, .form-field.error select { border-color: #D8562B; box-shadow: 0 0 0 3px rgba(216, 86, 43, .1); }
.form-tip { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.form-tip i { color: var(--accent-600); }
.form-submit { margin-top: 22px; }
.form-note { display: flex; align-items: center; justify-content: center; gap: 7px; margin-top: 14px; font-size: 12.5px; color: var(--text-muted); }
.form-note i { color: var(--accent-600); }
.form-alert { display: none; align-items: flex-start; gap: 10px; margin-bottom: 18px; padding: 14px 16px; border-radius: var(--radius-sm); font-size: 13.5px; line-height: 1.6; }
.form-alert.show { display: flex; }
.form-alert.ok { background: var(--accent-050); color: var(--accent-600); border: 1px solid rgba(199, 154, 70, .3); }
.form-alert.ok i { color: var(--accent-600); margin-top: 3px; }
.form-alert .fa-link, .form-alert strong { color: inherit; }
.consult-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }

/* ---------- testimonials ---------- */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.testimonial { background: rgba(255, 255, 255, .04); border: 1px solid rgba(255, 255, 255, .08); border-radius: var(--radius); padding: 26px; }
.section:not(.section-dark) .testimonial { background: #fff; border-color: var(--border); box-shadow: var(--shadow-sm); }
.testimonial-stars { color: var(--gold); font-size: 13px; margin-bottom: 12px; letter-spacing: 2px; }
.testimonial p { font-size: 14.5px; color: rgba(255, 255, 255, .8); margin-bottom: 18px; }
.section:not(.section-dark) .testimonial p { color: var(--text-2); }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar { width: 42px; height: 42px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; background: linear-gradient(135deg, var(--brand), var(--accent)); color: #fff; }
.author-info strong { display: block; font-size: 14px; color: #fff; }
.section:not(.section-dark) .author-info strong { color: var(--text); }
.author-info span { font-size: 12px; color: rgba(255, 255, 255, .5); }
.section:not(.section-dark) .author-info span { color: var(--text-muted); }

/* ---------- articles preview (index) ---------- */
.articles-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 28px; }
.article-featured { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.article-featured .article-img { position: relative; aspect-ratio: 2 / 1; overflow: hidden; background: var(--bg-alt); }
.article-featured .article-img img { width: 100%; height: 100%; object-fit: cover; }
.article-cat { position: absolute; top: 14px; left: 14px; padding: 5px 12px; border-radius: 999px; background: var(--brand); color: #fff; font-size: 12px; font-weight: 600; }
.article-body { padding: 22px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12.5px; color: var(--text-muted); margin-bottom: 12px; }
.article-body h3 { font-size: 20px; margin-bottom: 10px; }
.article-body h3 a:hover { color: var(--brand); }
.article-body p { font-size: 14px; color: var(--text-2); margin-bottom: 16px; }
.read-more { display: inline-flex; align-items: center; gap: 7px; color: var(--brand); font-weight: 700; font-size: 14px; }
.read-more:hover { gap: 11px; }
.articles-side { display: flex; flex-direction: column; gap: 16px; }
.article-mini { display: flex; gap: 14px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px; transition: box-shadow .2s ease; }
.article-mini:hover { box-shadow: var(--shadow-sm); }
.article-mini-img { flex: 0 0 84px; width: 84px; height: 64px; border-radius: 8px; overflow: hidden; background: var(--bg-alt); }
.article-mini-img img { width: 100%; height: 100%; object-fit: cover; }
.article-mini-cat { font-size: 11px; color: var(--brand); font-weight: 700; }
.article-mini-body h4 { font-size: 14.5px; margin: 3px 0 4px; }
.article-mini-body span { font-size: 12px; color: var(--text-muted); }

/* ---------- faq grid (index) ---------- */
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 26px; }
.faq-grid .faq-item { border-bottom: 1px solid var(--border); }
.faq-grid .faq-question { display: flex; align-items: center; justify-content: space-between; gap: 14px; width: 100%; text-align: left; padding: 18px 4px; font-size: 15px; font-weight: 600; color: var(--text); }
.faq-grid .faq-question i { color: var(--brand); transition: transform .25s ease; font-size: 14px; }
.faq-grid .faq-question.active i { transform: rotate(45deg); }
.faq-grid .faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-grid .faq-answer-inner { padding: 0 4px 18px; font-size: 14px; color: var(--text-2); }
.faq-grid .faq-answer-inner a { color: var(--brand); font-weight: 600; }

/* ---------- cta banner ---------- */
.cta-banner {
    position: relative; overflow: hidden; text-align: center;
    background: radial-gradient(700px 300px at 80% 0, rgba(199, 154, 70, .2), transparent 60%),
                linear-gradient(135deg, var(--brand), var(--brand-700));
    color: #fff; border-radius: var(--radius-lg); padding: 56px 30px;
}
.cta-banner h2 { font-size: 30px; color: #fff; font-family: var(--font-serif); }
.cta-banner p { max-width: 580px; margin: 14px auto 26px; color: rgba(255, 255, 255, .82); font-size: 15px; }

/* ---------- footer ---------- */
.site-footer { background: var(--ink); color: rgba(255, 255, 255, .6); padding: 58px 0 26px; }
.footer-main { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 34px; padding-bottom: 34px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.footer-brand .logo { margin-bottom: 16px; }
.footer-desc { font-size: 13.5px; line-height: 1.8; max-width: 300px; }
.footer-contact { margin-top: 18px; display: flex; flex-direction: column; gap: 9px; }
.footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: rgba(255,255,255,.66); }
.footer-contact li i { color: var(--gold); width: 16px; text-align: center; }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.social-btn { width: 38px; height: 38px; border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; background: rgba(255, 255, 255, .07); color: rgba(255, 255, 255, .7); font-size: 15px; transition: .2s ease; cursor: pointer; }
.social-btn:hover { background: var(--brand); color: #fff; }
.footer-col h5 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 13.5px; color: rgba(255, 255, 255, .58); }
.footer-col ul li a:hover { color: #fff; }
.footer-links { padding: 18px 0; border-bottom: 1px solid rgba(255, 255, 255, .08); font-size: 13px; }
.footer-links span { color: rgba(255, 255, 255, .45); }
.footer-links a { color: rgba(255, 255, 255, .55); margin: 0 10px 6px 0; display: inline-block; }
.footer-links a:hover { color: #fff; }
.footer-bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; padding-top: 22px; font-size: 12.5px; color: rgba(255, 255, 255, .45); }
.footer-icp a { color: rgba(255, 255, 255, .45); }

/* ---------- back to top ---------- */
.back-top {
    position: fixed; right: 22px; bottom: 22px; z-index: 800;
    width: 46px; height: 46px; border-radius: 12px; background: var(--brand); color: #fff; font-size: 16px;
    display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow);
    opacity: 0; visibility: hidden; transform: translateY(12px); transition: .25s ease;
}
.back-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--brand-600); }

/* ---------- breadcrumb ---------- */
.crumb-wrap { padding: 16px 0; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted); }
.breadcrumb .crumb-sep { color: var(--border); }
.breadcrumb a { color: var(--text-2); }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb .active { color: var(--text); font-weight: 600; }

/* ---------- page hero (list / index sub-pages) ---------- */
.page-hero { background: linear-gradient(160deg, var(--ink), var(--ink-2)); color: #fff; padding: 48px 0 44px; }
.page-hero-label { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 600; color: var(--gold); margin-bottom: 12px; }
.page-hero h1 { font-size: 32px; color: #fff; letter-spacing: -.5px; font-family: var(--font-serif); }
.page-hero p { margin-top: 12px; color: rgba(255, 255, 255, .68); font-size: 14.5px; max-width: 660px; }

/* ---------- category tabs (list) ---------- */
.cat-bar { background: #fff; border-bottom: 1px solid var(--border-2); position: sticky; top: var(--header-h); z-index: 500; }
.cat-inner, .cat-row { display: flex; gap: 8px; overflow-x: auto; padding: 12px 0; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.cat-inner::-webkit-scrollbar, .cat-row::-webkit-scrollbar { display: none; }
.cat-tab, .cat-btn { flex: 0 0 auto; padding: 8px 18px; border-radius: 999px; background: var(--bg-alt); color: var(--text-2); font-size: 13.5px; font-weight: 500; white-space: nowrap; }
.cat-tab:hover, .cat-btn:hover { color: var(--brand); background: var(--brand-050); }
.cat-tab.active, .cat-btn.active { background: var(--brand); color: #fff; }

/* ---------- main layout (list/detail with sidebar) ---------- */
.main-layout { display: grid; grid-template-columns: 1fr 320px; gap: 32px; padding: 36px 0 60px; align-items: start; }
.body-layout { display: grid; grid-template-columns: 1fr 320px; gap: 32px; padding: 30px 0 60px; align-items: start; }
.sidebar { display: flex; flex-direction: column; gap: 20px; position: sticky; top: calc(var(--header-h) + 16px); }

.side-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.side-header { display: flex; align-items: center; gap: 9px; padding: 15px 18px; border-bottom: 1px solid var(--border-2); }
.side-header i { color: var(--brand); }
.side-header h4 { font-size: 15px; }
.side-body { padding: 16px 18px; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 9px; }
.tag-item { display: inline-block; padding: 6px 13px; border-radius: 999px; background: var(--bg-alt); color: var(--text-2); font-size: 12.5px; }
.tag-item:hover { background: var(--brand-050); color: var(--brand); }

.hot-list { display: flex; flex-direction: column; gap: 14px; }
.hot-item { display: flex; gap: 11px; align-items: flex-start; }
.hot-num { flex: 0 0 22px; width: 22px; height: 22px; border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; background: var(--bg-alt); color: var(--text-muted); }
.hot-num.n1 { background: #FBEEDA; color: var(--gold-600); }
.hot-num.n2 { background: var(--brand-050); color: var(--brand); }
.hot-num.n3 { background: #E9F0F7; color: var(--brand-600); }
.hot-text a { font-size: 13.5px; font-weight: 500; color: var(--text); display: block; line-height: 1.5; }
.hot-text a:hover { color: var(--brand); }
.hot-text span { font-size: 12px; color: var(--text-muted); }

/* sidebar CTA */
.cta-side { text-align: center; padding: 26px 22px; border-radius: var(--radius); color: #fff; background: radial-gradient(400px 160px at 80% 0, rgba(199, 154, 70, .28), transparent 60%), linear-gradient(135deg, var(--brand), var(--brand-700)); }
.cta-side > i { font-size: 30px; color: var(--gold); margin-bottom: 10px; }
.cta-side h4 { color: #fff; font-size: 17px; margin-bottom: 6px; }
.cta-side p { font-size: 13px; color: rgba(255, 255, 255, .8); margin-bottom: 16px; }
.cta-side-tel { display: block; font-size: 20px; font-weight: 800; color: var(--gold); margin-bottom: 14px; font-family: var(--font-serif); }

/* sidebar contact ways */
.contact-ways { display: flex; flex-direction: column; gap: 16px; }
.contact-way { display: flex; align-items: center; gap: 12px; }
.way-icon { flex: 0 0 38px; width: 38px; height: 38px; border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; background: var(--brand-050); color: var(--brand); font-size: 15px; }
.way-info { min-width: 0; }
.way-info strong { display: block; font-size: 13.5px; }
.way-info span { font-size: 12px; color: var(--text-muted); word-break: break-all; }

/* ---------- fade-up animation ---------- */
.fade-up { opacity: 0; transform: translateY(22px); transition: opacity .5s ease, transform .5s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   SHARED CONTENT COMPONENTS （文章 & 问答详情/列表共用，始终加载）
   ========================================================================== */

.section-title { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin: 6px 0 18px; }
.section-title h3 { font-size: 20px; position: relative; padding-left: 14px; }
.section-title h3::before { content: ""; position: absolute; left: 0; top: 3px; bottom: 3px; width: 4px; border-radius: 3px; background: linear-gradient(var(--brand), var(--accent)); }
.more-link { font-size: 13px; font-weight: 600; color: var(--brand); white-space: nowrap; }
.more-link:hover { color: var(--brand-600); }

.empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); background: #fff; border: 1px dashed var(--border); border-radius: var(--radius); }
.empty-state i { font-size: 34px; margin-bottom: 12px; color: var(--border); display: block; }
.empty-state p { font-size: 14px; }

.read-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 999; background: linear-gradient(90deg, var(--brand), var(--accent)); transition: width .1s linear; }

/* prose (正文排版) */
.prose { font-size: 15.5px; line-height: 1.9; color: #29344a; word-wrap: break-word; }
.prose p { margin: 0 0 18px; }
.prose h2 { font-size: 21px; margin: 30px 0 14px; padding-left: 13px; position: relative; }
.prose h2::before { content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 4px; border-radius: 3px; background: linear-gradient(var(--brand), var(--accent)); }
.prose h3 { font-size: 18px; margin: 24px 0 12px; }
.prose ul, .prose ol { margin: 0 0 18px; padding-left: 22px; }
.prose ul li { list-style: disc; margin-bottom: 8px; }
.prose ol li { list-style: decimal; margin-bottom: 8px; }
.prose a { color: var(--brand); font-weight: 500; word-break: break-all; }
.prose a:hover { text-decoration: underline; }
.prose img { border-radius: 10px; margin: 14px 0; }
.prose blockquote { margin: 18px 0; padding: 14px 18px; border-left: 4px solid var(--brand); background: var(--brand-050); border-radius: 0 10px 10px 0; color: var(--text-2); }
.prose code { background: var(--bg-alt); padding: 2px 7px; border-radius: 5px; font-size: 13.5px; color: var(--brand-600); }
.prose .table-wrap { overflow-x: auto; margin: 18px 0; -webkit-overflow-scrolling: touch; }
.prose table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 480px; }
.prose th, .prose td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
.prose th { background: var(--bg-alt); font-weight: 700; }

.art-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--border-2); font-size: 13px; color: var(--text-muted); }
.tag-pill { display: inline-block; padding: 5px 13px; border-radius: 999px; background: var(--bg-alt); color: var(--text-2); font-size: 12.5px; }
.tag-pill:hover { background: var(--brand-050); color: var(--brand); }

.art-share { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; margin-top: 22px; padding: 16px 18px; border-radius: var(--radius-sm); background: var(--bg-alt); }
.share-left { font-size: 14px; font-weight: 600; color: var(--text); }
.share-left i { color: var(--brand); margin-right: 6px; }
.share-btns, .share-row { display: flex; align-items: center; gap: 10px; }
.share-row > span { font-size: 13px; color: var(--text-muted); }
.share-btn { display: inline-flex; align-items: center; gap: 7px; padding: 8px 15px; border-radius: 8px; border: 1px solid var(--border); background: #fff; font-size: 13px; color: var(--text-2); transition: .2s ease; }
.share-btn:hover { border-color: var(--brand); color: var(--brand); }
.share-btn.copied { border-color: var(--accent); color: var(--accent-600); }

.related-section, .related-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 26px; margin-top: 24px; }
.related-header { display: flex; align-items: center; gap: 9px; margin-bottom: 16px; }
.related-header i { color: var(--brand); }
.related-header h4 { font-size: 17px; }
.related-list { display: flex; flex-direction: column; gap: 14px; }
.related-item { display: flex; gap: 14px; align-items: center; }
.related-list > .related-item + .related-item { padding-top: 14px; border-top: 1px solid var(--border-2); }
.rel-thumb { flex: 0 0 96px; width: 96px; height: 68px; border-radius: 8px; overflow: hidden; background: var(--bg-alt); }
.rel-thumb img { width: 100%; height: 100%; object-fit: cover; }
.rel-body a { display: block; font-size: 14.5px; font-weight: 500; color: var(--text); line-height: 1.5; margin-bottom: 4px; }
.rel-body a:hover { color: var(--brand); }
.rel-body span { font-size: 12px; color: var(--text-muted); }

/* ---------- city switch trigger (导航品牌旁) ---------- */
.city-switch {
    display: inline-flex; align-items: center; gap: 6px; margin-left: 14px;
    padding: 7px 13px; border-radius: 999px; border: 1px solid var(--border);
    background: var(--bg-alt); color: var(--text-2); font-size: 13px; font-weight: 600;
    transition: border-color .2s ease, color .2s ease, background .2s ease; cursor: pointer;
}
.city-switch:hover { border-color: var(--brand); color: var(--brand); background: var(--brand-050); }
.city-switch .cs-ic { color: var(--accent-600); font-size: 13px; }
.city-switch .cs-name { max-width: 5em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.city-switch .cs-caret { font-size: 10px; color: var(--text-muted); }

/* ---------- city modal ---------- */
.city-modal { position: fixed; inset: 0; z-index: 1000; display: none; }
.city-modal.open { display: block; }
.city-modal-mask { position: absolute; inset: 0; background: rgba(12, 27, 46, .5); opacity: 0; transition: opacity .25s ease; }
.city-modal.open .city-modal-mask { opacity: 1; }
.city-modal-dialog {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -46%);
    width: 92%; max-width: 760px; max-height: 82vh; background: #fff;
    border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
    display: flex; flex-direction: column; overflow: hidden;
    opacity: 0; transition: opacity .25s ease, transform .25s ease;
}
.city-modal.open .city-modal-dialog { opacity: 1; transform: translate(-50%, -50%); }
.city-modal-head { display: flex; align-items: center; gap: 12px; padding: 18px 22px; border-bottom: 1px solid var(--border-2); }
.city-modal-head h3 { font-size: 18px; font-family: var(--font-serif); }
.city-modal-head .cm-cur { font-size: 12.5px; color: var(--text-muted); }
.city-modal-head .cm-cur b { color: var(--brand); font-weight: 700; }
.city-modal-close { margin-left: auto; width: 36px; height: 36px; border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; background: var(--bg-alt); color: var(--text-2); font-size: 15px; transition: .2s ease; }
.city-modal-close:hover { background: #FDEEE8; color: #D8562B; }

.city-search { position: relative; padding: 14px 22px 6px; }
.city-search i { position: absolute; left: 36px; top: 50%; transform: translateY(-30%); color: var(--text-muted); font-size: 14px; pointer-events: none; }
.city-search input { width: 100%; font-family: inherit; font-size: 14px; padding: 11px 14px 11px 40px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-soft); }
.city-search input:focus { outline: 0; border-color: var(--brand); background: #fff; box-shadow: 0 0 0 3px rgba(22, 69, 122, .1); }

.city-modal-body { display: flex; min-height: 0; flex: 1; }
.city-index {
    flex: 0 0 34px; display: flex; flex-direction: column; align-items: center; gap: 1px;
    padding: 10px 0; overflow-y: auto; border-right: 1px solid var(--border-2); background: var(--bg-soft);
    scrollbar-width: none;
}
.city-index::-webkit-scrollbar { display: none; }
.city-index a { display: flex; align-items: center; justify-content: center; width: 24px; height: 22px; border-radius: 6px; font-size: 11.5px; font-weight: 700; color: var(--text-2); }
.city-index a:hover, .city-index a.on { background: var(--brand); color: #fff; }
.city-list { position: relative; flex: 1; min-width: 0; overflow-y: auto; padding: 6px 22px 24px; -webkit-overflow-scrolling: touch; }

.city-group { padding-top: 16px; }
.city-group-title { display: flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 800; color: var(--brand); margin-bottom: 10px; letter-spacing: .5px; }
.city-group-title::after { content: ""; flex: 1; height: 1px; background: var(--border-2); }
.city-group.rec .city-group-title { color: var(--accent-600); }
.city-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.city-chips a {
    display: inline-flex; align-items: center; gap: 6px; min-width: 74px; justify-content: center;
    padding: 9px 15px; border-radius: var(--radius-sm); border: 1px solid var(--border);
    background: #fff; color: var(--text); font-size: 13.5px; font-weight: 500; transition: .18s ease;
}
.city-chips a:hover { border-color: var(--brand); color: var(--brand); background: var(--brand-050); }
.city-chips a.cur { border-color: var(--brand); color: #fff; background: var(--brand); }
.city-group.rec .city-chips a i { color: var(--accent-600); font-size: 11px; }
.city-empty { text-align: center; color: var(--text-muted); font-size: 13.5px; padding: 40px 0; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 991px) {
    .section { padding: 56px 0; }
    .hero { padding: 60px 0 66px; }
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero h1 { font-size: 36px; }
    .hero-panel { max-width: 460px; }
    .grid-3, .grid-4, .service-grid, .why-grid, .flow { grid-template-columns: repeat(3, 1fr); }
    .why-grid, .onestop { grid-template-columns: repeat(2, 1fr); }
    .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
    .articles-grid { grid-template-columns: 1fr; }
    .consult-grid { grid-template-columns: 1fr; gap: 34px; }
    .footer-main { grid-template-columns: 1fr 1fr; gap: 28px; }
    .main-layout, .body-layout { grid-template-columns: 1fr; }
    .sidebar { position: static; }
    .cat-bar { position: static; }
}

@media (max-width: 767px) {
    body { font-size: 14.5px; }
    .section { padding: 46px 0; }
    .section-header { margin-bottom: 32px; }
    .section-header h2, .cta-banner h2, .consult-info h2 { font-size: 24px; }
    .nav-links, .nav-actions { display: none; }
    .hamburger { display: flex; }
    .hero { padding: 48px 0 54px; }
    .hero h1 { font-size: 29px; }
    .hero-sub { font-size: 15px; }
    .hero-stats { gap: 22px; }
    .hero-stat strong { font-size: 22px; }
    .grid-2, .grid-3, .grid-4, .service-grid, .why-grid, .flow, .problem-grid, .onestop { grid-template-columns: 1fr; }
    .flow { gap: 30px 22px; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .faq-grid { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .consult-card { padding: 26px 20px; }
    .compare-head > div, .compare-row > div { padding: 14px 12px; font-size: 13px; }
    .compare-head .ch-us { font-size: 14px; }
    .footer-main { grid-template-columns: 1fr; gap: 24px; }
    .page-hero h1 { font-size: 26px; }
    .btn-group { flex-direction: column; }
    .btn-group .btn { width: 100%; }
    .back-top { right: 14px; bottom: 14px; }
    /* 城市弹窗：移动端底部抽屉，大点击区 */
    .city-modal-dialog { top: auto; bottom: 0; left: 0; transform: translateY(30px); width: 100%; max-width: 100%; max-height: 88vh; border-radius: 18px 18px 0 0; }
    .city-modal.open .city-modal-dialog { transform: translateY(0); }
    .city-index { flex-basis: 30px; }
    .city-index a { height: 26px; }
    .city-list { padding: 6px 16px 30px; }
    .city-chips a { min-width: calc(33.33% - 8px); flex: 1 0 calc(33.33% - 8px); padding: 12px 10px; }
    .city-search { padding: 12px 16px 4px; }
    .city-search i { left: 30px; }
}

@media (max-width: 420px) {
    .compare-head .ch-feat, .compare-row .cr-feat { font-size: 12px; }
}

/* ---------- 图形验证码弹窗 ---------- */
.cap-modal { position: fixed; inset: 0; z-index: 1000; display: none; }
.cap-modal.show { display: block; }
.cap-mask { position: absolute; inset: 0; background: rgba(12, 27, 46, .5); }
.cap-dialog {
    position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
    width: 92%; max-width: 360px; background: #fff; border-radius: 16px;
    padding: 26px 24px 24px; box-shadow: var(--shadow-lg);
}
.cap-close {
    position: absolute; top: 12px; right: 12px; width: 30px; height: 30px; border-radius: 8px;
    display: inline-flex; align-items: center; justify-content: center;
    color: var(--text-muted); font-size: 16px; background: var(--bg-alt);
}
.cap-close:hover { color: var(--text); }
.cap-title { font-size: 18px; color: var(--text); font-family: var(--font-serif); }
.cap-desc { margin: 6px 0 16px; font-size: 13px; color: var(--text-muted); }
.cap-row { display: flex; align-items: stretch; gap: 10px; }
.cap-input {
    flex: 1 1 auto; min-width: 0; height: 46px; padding: 0 14px; font-size: 16px; letter-spacing: 2px;
    border: 1px solid var(--border); border-radius: 10px; color: var(--text); background: #fff;
}
.cap-input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-050); }
.cap-img {
    flex: 0 0 auto; width: 130px; height: 46px; border-radius: 10px; cursor: pointer;
    border: 1px solid var(--border-2); background: #f4f6f9; object-fit: cover;
}
.cap-alert { display: none; margin: 12px 0 0; font-size: 13px; color: #C1441D; }
.cap-alert.show { display: block; }
.cap-alert i { margin-right: 4px; }
.cap-dialog .cap-confirm { margin-top: 18px; }