/* ==========================================================================
   AAA Theme — 主样式
   设计：深蓝学术风 + 金色点缀；标题衬线、正文无衬线
   ========================================================================== */

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

:root {
    --aaa-primary: #0F2A4A;
    --aaa-secondary: #16406E;
    --aaa-accent: #C9A227;
    --aaa-ink: #22303F;
    --aaa-ink-soft: #5A6B7D;
    --aaa-paper: #FFFFFF;
    --aaa-paper-warm: #F7F5F0;
    --aaa-line: #E3E0D8;
    --aaa-gold-soft: #F3E9C8;
    --aaa-radius: 8px;
    --aaa-shadow: 0 2px 10px rgba(15, 42, 74, .07);
    --aaa-shadow-big: 0 20px 50px rgba(15, 42, 74, .14);
    --aaa-serif: "Georgia", "Noto Serif SC", "Songti SC", "SimSun", serif;
    --aaa-sans: -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--aaa-sans);
    color: var(--aaa-ink);
    background: var(--aaa-paper);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--aaa-serif); line-height: 1.35; color: var(--aaa-primary); font-weight: 700; }

a { color: var(--aaa-secondary); text-decoration: none; transition: color .18s ease; }
a:hover { color: var(--aaa-accent); }

img { max-width: 100%; height: auto; display: block; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 22px; }
.wrap-slim { max-width: 860px; }
.page-wrap { padding-top: 36px; padding-bottom: 56px; }
.page-wrap-tight { padding-top: 0; }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-block;
    padding: 11px 26px;
    border-radius: var(--aaa-radius);
    border: 1px solid transparent;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: .02em;
    cursor: pointer;
    transition: all .18s ease;
    text-align: center;
}
.btn-gold { background: var(--aaa-accent); color: #231d06; border-color: var(--aaa-accent); }
.btn-gold:hover { background: #b18f1f; border-color: #b18f1f; color: #231d06; transform: translateY(-1px); }
.btn-dark { background: var(--aaa-primary); color: #fff; border-color: var(--aaa-primary); }
.btn-dark:hover { background: var(--aaa-secondary); border-color: var(--aaa-secondary); color: #fff; }
.btn-line { background: transparent; color: #fff; border-color: rgba(255,255,255,.65); }
.btn-line:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn-line-light { background: transparent; color: var(--aaa-accent); border-color: var(--aaa-accent); }
.btn-line-light:hover { background: var(--aaa-accent); color: #231d06; }
.btn-xl { padding: 15px 38px; font-size: 17px; }

/* ---------- 顶部 utility bar ---------- */
.util-bar {
    background: var(--aaa-primary);
    color: rgba(255,255,255,.82);
    font-size: 13px;
}
.util-bar-in { display: flex; justify-content: space-between; gap: 16px; padding-top: 7px; padding-bottom: 7px; }
.util-item { color: rgba(255,255,255,.82); }
a.util-item:hover { color: var(--aaa-accent); }

/* ---------- 头部 ---------- */
.site-head {
    background: var(--aaa-paper);
    border-bottom: 1px solid var(--aaa-line);
    position: sticky;
    top: 0;
    z-index: 900;
    transition: box-shadow .2s ease;
}
.site-head.is-stuck { box-shadow: var(--aaa-shadow); }
.head-row { display: flex; align-items: center; gap: 24px; height: 76px; }
.brand-link { display: flex; flex-direction: column; line-height: 1.15; }
.brand-cn { font-family: var(--aaa-serif); font-size: 22px; color: var(--aaa-primary); letter-spacing: .04em; }
.brand-en { font-size: 12px; color: var(--aaa-accent); letter-spacing: .18em; text-transform: uppercase; }

.nav-row { flex: 1; display: flex; justify-content: center; }
.menu { display: flex; list-style: none; gap: 2px; align-items: center; }
.menu > li { position: relative; }
.menu > li > a {
    display: block;
    padding: 9px 13px;
    color: var(--aaa-ink);
    font-size: 15px;
    font-weight: 500;
    border-radius: 6px;
}
.menu > li > a:hover,
.menu > li.current-menu-item > a { color: var(--aaa-primary); background: var(--aaa-paper-warm); }
.menu .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 210px;
    background: #fff;
    border: 1px solid var(--aaa-line);
    border-top: 2px solid var(--aaa-accent);
    border-radius: 0 0 var(--aaa-radius) var(--aaa-radius);
    box-shadow: var(--aaa-shadow-big);
    list-style: none;
    padding: 8px 0;
    z-index: 100;
}
.menu li:hover > .sub-menu { display: block; }
.menu .sub-menu a { display: block; padding: 8px 18px; font-size: 14px; color: var(--aaa-ink); }
.menu .sub-menu a:hover { background: var(--aaa-paper-warm); color: var(--aaa-primary); }
.head-cta { white-space: nowrap; }

.nav-btn {
    display: none;
    width: 42px;
    height: 42px;
    background: none;
    border: 1px solid var(--aaa-line);
    border-radius: 6px;
    cursor: pointer;
    padding: 10px 9px;
}
.nav-btn i { display: block; height: 2px; background: var(--aaa-primary); margin: 5px 0; border-radius: 2px; transition: all .2s; }
.nav-btn.is-active i:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-btn.is-active i:nth-child(2) { opacity: 0; }
.nav-btn.is-active i:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero-band {
    background:
        radial-gradient(1200px 500px at 80% -10%, rgba(201,162,39,.16), transparent 60%),
        linear-gradient(160deg, var(--aaa-primary) 0%, #0B2038 70%, #091A2D 100%);
    color: #fff;
    text-align: center;
    padding: 96px 0 84px;
    position: relative;
    overflow: hidden;
}
.hero-band::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -1px;
    width: 220px;
    height: 3px;
    transform: translateX(-50%);
    background: var(--aaa-accent);
}
.hero-in { position: relative; z-index: 1; max-width: 900px; }
.hero-kicker {
    display: inline-block;
    font-size: 13px;
    letter-spacing: .3em;
    color: var(--aaa-accent);
    border: 1px solid rgba(201,162,39,.45);
    border-radius: 999px;
    padding: 5px 18px;
    margin-bottom: 26px;
}
.hero-title { color: #fff; font-size: clamp(28px, 4.6vw, 46px); letter-spacing: .01em; margin-bottom: 18px; }
.hero-sub { color: rgba(255,255,255,.78); font-size: 17px; max-width: 720px; margin: 0 auto 34px; }
.hero-ctas { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 34px; }

.trust-badges { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; list-style: none; margin-bottom: 26px; }
.badge {
    font-size: 13px;
    color: rgba(255,255,255,.88);
    border: 1px solid rgba(255,255,255,.28);
    border-radius: 999px;
    padding: 5px 15px;
    background: rgba(255,255,255,.06);
}
.badge::before { content: "✓"; color: var(--aaa-accent); margin-right: 6px; }

.score-box {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.18);
    border-radius: 999px;
    padding: 8px 22px;
    font-size: 14px;
    color: rgba(255,255,255,.85);
}
.score-box strong { color: #fff; font-size: 17px; }
.stars { color: var(--aaa-accent); letter-spacing: 2px; }

/* ---------- 数字信任条 ---------- */
.stat-strip { background: var(--aaa-secondary); border-bottom: 3px solid var(--aaa-accent); }
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); text-align: center; }
.stat-cell { padding: 30px 12px; border-left: 1px solid rgba(255,255,255,.12); }
.stat-cell:first-child { border-left: none; }
.stat-num { font-family: var(--aaa-serif); font-size: clamp(26px, 3.4vw, 40px); font-weight: 700; color: #fff; }
.stat-cap { color: rgba(255,255,255,.68); font-size: 14px; margin-top: 4px; }

/* ---------- 通用区块 ---------- */
.sec { padding: 76px 0; }
.sec-alt { background: var(--aaa-paper-warm); }
.sec-dark { background: var(--aaa-primary); color: #fff; }
.sec-dark .sec-title, .sec-dark h3 { color: #fff; }
.sec-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.sec-kicker { font-size: 13px; letter-spacing: .28em; text-transform: uppercase; color: var(--aaa-accent); margin-bottom: 10px; }
.sec-title { font-size: clamp(24px, 3.2vw, 34px); }
.sec-title::after { content: ""; display: block; width: 56px; height: 3px; background: var(--aaa-accent); margin: 14px auto 0; border-radius: 2px; }
.sec-sub { color: var(--aaa-ink-soft); margin-top: 14px; }
.sec-dark .sec-sub { color: rgba(255,255,255,.72); }
.sec-more { text-align: center; margin-top: 40px; }

/* ---------- 服务卡 ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.svc-card {
    display: block;
    background: #fff;
    border: 1px solid var(--aaa-line);
    border-radius: var(--aaa-radius);
    padding: 30px 26px;
    box-shadow: var(--aaa-shadow);
    transition: all .2s ease;
    position: relative;
    overflow: hidden;
}
.svc-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--aaa-primary), var(--aaa-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .25s ease;
}
.svc-card:hover { transform: translateY(-4px); box-shadow: var(--aaa-shadow-big); border-color: #d8d2c2; }
.svc-card:hover::before { transform: scaleX(1); }
.svc-ico {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px; height: 52px;
    border-radius: 12px;
    background: var(--aaa-paper-warm);
    border: 1px solid var(--aaa-line);
    font-size: 22px;
    font-family: var(--aaa-serif);
    color: var(--aaa-primary);
    margin-bottom: 16px;
}
.svc-name { font-size: 19px; margin-bottom: 8px; }
.svc-txt { color: var(--aaa-ink-soft); font-size: 14px; margin-bottom: 14px; }
.svc-go { font-size: 14px; font-weight: 600; color: var(--aaa-accent); }

/* ---------- 写手卡 ---------- */
.crew-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.writer-card {
    background: #fff;
    border: 1px solid var(--aaa-line);
    border-radius: var(--aaa-radius);
    padding: 26px;
    box-shadow: var(--aaa-shadow);
    transition: all .2s ease;
}
.writer-card:hover { transform: translateY(-4px); box-shadow: var(--aaa-shadow-big); }
.w-top { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.w-face {
    flex: none;
    width: 58px; height: 58px;
    border-radius: 50%;
    color: #fff;
    font-family: var(--aaa-serif);
    font-size: 22px;
    display: flex; align-items: center; justify-content: center;
    border: 2px solid var(--aaa-gold-soft);
}
.w-name { font-size: 18px; }
.w-deg { font-size: 13px; color: var(--aaa-ink-soft); }
.w-stats { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-top: 1px dashed var(--aaa-line); border-bottom: 1px dashed var(--aaa-line); margin-bottom: 14px; font-size: 14px; }
.w-orders { color: var(--aaa-ink-soft); }
.w-tags { display: flex; flex-wrap: wrap; gap: 8px; }

.chip {
    display: inline-block;
    font-size: 12px;
    color: var(--aaa-primary);
    background: var(--aaa-paper-warm);
    border: 1px solid var(--aaa-line);
    border-radius: 999px;
    padding: 3px 12px;
}
.chip-gold { background: var(--aaa-gold-soft); border-color: #e4d39a; color: #6d5810; }
a.chip-link:hover { background: var(--aaa-gold-soft); color: var(--aaa-primary); }

/* ---------- 服务保障 ---------- */
.guar-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.guar-item {
    background: #fff;
    border: 1px solid var(--aaa-line);
    border-left: 4px solid var(--aaa-accent);
    border-radius: var(--aaa-radius);
    padding: 24px;
    box-shadow: var(--aaa-shadow);
}
.guar-item h3 { font-size: 17px; margin-bottom: 8px; }
.guar-item h3::before { content: "🛡"; margin-right: 8px; font-size: 15px; }
.guar-item p { color: var(--aaa-ink-soft); font-size: 14px; }

/* ---------- 服务流程 ---------- */
.step-flow { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: flow; }
.flow-node {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.14);
    border-radius: var(--aaa-radius);
    padding: 30px 22px;
    text-align: center;
    position: relative;
}
.flow-no {
    display: inline-flex;
    align-items: center; justify-content: center;
    width: 46px; height: 46px;
    border-radius: 50%;
    background: var(--aaa-accent);
    color: #231d06;
    font-family: var(--aaa-serif);
    font-weight: 700;
    font-size: 19px;
    margin-bottom: 16px;
}
.flow-node h3 { font-size: 17px; margin-bottom: 8px; }
.flow-node p { color: rgba(255,255,255,.7); font-size: 14px; }

/* ---------- 价格计算器 ---------- */
.quote-panel {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    background: #fff;
    border: 1px solid var(--aaa-line);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--aaa-shadow-big);
}
.qp-form { padding: 34px; display: grid; gap: 22px; align-content: start; }
.qp-field label, .qp-label { display: block; font-weight: 600; font-size: 14px; color: var(--aaa-primary); margin-bottom: 8px; }
.qp-field select, .qp-field input[type="number"] {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--aaa-line);
    border-radius: var(--aaa-radius);
    font-size: 15px;
    font-family: inherit;
    color: var(--aaa-ink);
    background: #fff;
}
.qp-field select:focus, .qp-field input:focus { outline: 2px solid var(--aaa-accent); outline-offset: 1px; }
.qp-radios { display: flex; gap: 10px; flex-wrap: wrap; }
.qp-radio { position: relative; }
.qp-radio input { position: absolute; opacity: 0; }
.qp-radio span {
    display: inline-block;
    padding: 9px 18px;
    border: 1px solid var(--aaa-line);
    border-radius: 999px;
    font-size: 14px;
    cursor: pointer;
    transition: all .15s ease;
}
.qp-radio input:checked + span { background: var(--aaa-primary); color: #fff; border-color: var(--aaa-primary); }
.qp-out {
    background: linear-gradient(150deg, var(--aaa-primary), #0A1E35);
    color: #fff;
    padding: 34px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    gap: 10px;
}
.qp-cap { font-size: 13px; letter-spacing: .2em; color: var(--aaa-accent); }
.qp-price { font-family: var(--aaa-serif); font-size: 46px; font-weight: 700; }
.qp-note { font-size: 13px; color: rgba(255,255,255,.7); }
.qp-out .btn { margin-top: 8px; }
.qp-tips { font-size: 12px; color: rgba(255,255,255,.5); }

/* ---------- 评价卡 ---------- */
.voice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.voice-card {
    background: #fff;
    border: 1px solid var(--aaa-line);
    border-radius: var(--aaa-radius);
    padding: 26px;
    box-shadow: var(--aaa-shadow);
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.v-stars { font-size: 15px; }
.v-text { color: var(--aaa-ink); font-size: 14.5px; flex: 1; }
.v-text::before { content: "“"; font-family: var(--aaa-serif); color: var(--aaa-accent); font-size: 22px; line-height: 0; margin-right: 4px; }
.v-who { display: flex; align-items: center; gap: 12px; border-top: 1px dashed var(--aaa-line); padding-top: 14px; }
.v-face {
    flex: none;
    width: 42px; height: 42px;
    border-radius: 50%;
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--aaa-serif);
}
.v-who strong { display: block; font-size: 14px; color: var(--aaa-primary); }
.v-who small { color: var(--aaa-ink-soft); font-size: 12px; }
.v-svc { margin-left: auto; font-size: 12px; color: var(--aaa-accent); white-space: nowrap; }

/* ---------- 范文 ---------- */
.sample-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.sample-list-full { grid-template-columns: repeat(2, 1fr); }
.sample-item {
    background: #fff;
    border: 1px solid var(--aaa-line);
    border-radius: var(--aaa-radius);
    padding: 26px;
    box-shadow: var(--aaa-shadow);
}
.sample-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.sample-item h3, .sample-item h2 { font-size: 17px; margin-bottom: 8px; }
.sample-item p { color: var(--aaa-ink-soft); font-size: 14px; }

/* ---------- FAQ 手风琴 ---------- */
.faq-acc { display: grid; gap: 12px; }
.acc-item {
    background: #fff;
    border: 1px solid var(--aaa-line);
    border-radius: var(--aaa-radius);
    overflow: hidden;
    transition: border-color .2s ease;
}
.acc-item.is-open { border-color: var(--aaa-accent); }
.acc-q {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: none;
    border: none;
    padding: 18px 22px;
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    color: var(--aaa-primary);
    text-align: left;
    cursor: pointer;
}
.acc-ico {
    flex: none;
    width: 22px; height: 22px;
    position: relative;
}
.acc-ico::before, .acc-ico::after {
    content: "";
    position: absolute;
    background: var(--aaa-accent);
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    transition: transform .2s ease;
}
.acc-ico::before { width: 14px; height: 2px; }
.acc-ico::after { width: 2px; height: 14px; }
.acc-item.is-open .acc-ico::after { transform: translate(-50%, -50%) rotate(90deg); }
.acc-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .28s ease;
}
.acc-a p { padding: 0 22px 20px; color: var(--aaa-ink-soft); font-size: 15px; }
.acc-item.is-open .acc-a { max-height: 480px; }

/* ---------- 博客卡 ---------- */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.post-card {
    background: #fff;
    border: 1px solid var(--aaa-line);
    border-radius: var(--aaa-radius);
    overflow: hidden;
    box-shadow: var(--aaa-shadow);
    transition: all .2s ease;
}
.post-card:hover { transform: translateY(-4px); box-shadow: var(--aaa-shadow-big); }
.post-thumb { display: block; aspect-ratio: 21/13; background: var(--aaa-paper-warm); }
.post-thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-thumb-empty {
    display: flex; align-items: center; justify-content: center;
    width: 100%; height: 100%;
    font-family: var(--aaa-serif);
    font-size: 44px;
    color: var(--aaa-accent);
    background: linear-gradient(140deg, var(--aaa-primary), var(--aaa-secondary));
}
.post-info { padding: 20px 22px 24px; }
.post-info time { font-size: 12px; color: var(--aaa-ink-soft); letter-spacing: .06em; }
.post-info h3 { font-size: 17px; margin: 6px 0 8px; }
.post-info h3 a { color: var(--aaa-primary); }
.post-info h3 a:hover { color: var(--aaa-accent); }
.post-info p { font-size: 14px; color: var(--aaa-ink-soft); }

/* ---------- 底部 CTA ---------- */
.cta-band {
    background:
        radial-gradient(900px 320px at 20% 0%, rgba(201,162,39,.2), transparent 55%),
        linear-gradient(120deg, var(--aaa-primary), #0A1E35);
    color: #fff;
    text-align: center;
    padding: 72px 0;
}
.cta-in h2 { color: #fff; font-size: clamp(22px, 3vw, 30px); margin-bottom: 12px; }
.cta-in p { color: rgba(255,255,255,.75); margin-bottom: 26px; }

/* ---------- 页底 SEO 块 ---------- */
.foot-seo { background: var(--aaa-paper-warm); border-top: 1px solid var(--aaa-line); padding: 44px 0; }
.foot-seo-text { font-size: 13.5px; color: var(--aaa-ink-soft); line-height: 1.9; margin-bottom: 26px; }
.foot-seo-text h2, .foot-seo-text h3 { font-size: 16px; margin: 14px 0 6px; }
.anchor-matrix { display: flex; flex-wrap: wrap; gap: 6px 18px; border-top: 1px dashed var(--aaa-line); padding-top: 20px; }
.anchor-matrix a { font-size: 13px; color: var(--aaa-ink-soft); }
.anchor-matrix a:hover { color: var(--aaa-accent); }

/* ---------- 页脚 ---------- */
.site-foot { background: #0A1E35; color: rgba(255,255,255,.72); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-top: 56px; padding-bottom: 40px; }
.foot-title { color: #fff; font-size: 17px; margin-bottom: 16px; }
.foot-brand p { font-size: 14px; max-width: 340px; }
.foot-links { list-style: none; display: grid; gap: 9px; font-size: 14px; }
.foot-links a { color: rgba(255,255,255,.72); }
.foot-links a:hover { color: var(--aaa-accent); }
.foot-wecom { color: var(--aaa-accent) !important; font-weight: 600; }
.foot-menu { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 16px; margin-top: 16px; font-size: 13px; }
.foot-menu a { color: rgba(255,255,255,.6); }
.foot-menu a:hover { color: var(--aaa-accent); }
.foot-note { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; text-align: center; font-size: 12.5px; }
.foot-compliance { color: rgba(255,255,255,.5); margin-bottom: 6px; }
.foot-copy { color: rgba(255,255,255,.45); }

/* ---------- 浮动微信按钮 ---------- */
.float-wx {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 950;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    background: var(--aaa-accent);
    color: #231d06;
    border-radius: 14px;
    padding: 12px 14px;
    font-size: 12px;
    font-weight: 700;
    box-shadow: var(--aaa-shadow-big);
    transition: transform .18s ease;
}
.float-wx:hover { transform: translateY(-3px); color: #231d06; }

/* ---------- 面包屑 ---------- */
.crumb { font-size: 13px; color: var(--aaa-ink-soft); margin-bottom: 26px; }
.crumb a { color: var(--aaa-ink-soft); }
.crumb a:hover { color: var(--aaa-accent); }
.crumb-sep { margin: 0 8px; color: var(--aaa-line); }
.crumb-now { color: var(--aaa-primary); }

/* ---------- 正文排版 ---------- */
.doc-head { margin-bottom: 30px; }
.doc-head h1 { font-size: clamp(26px, 3.4vw, 36px); margin-bottom: 14px; }
.doc-intro { font-size: 17px; color: var(--aaa-ink-soft); max-width: 760px; }
.doc-ctas { margin-top: 20px; display: flex; gap: 14px; flex-wrap: wrap; }
.doc-note { color: var(--aaa-ink-soft); font-size: 14px; margin-bottom: 14px; }
.doc-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 13.5px; color: var(--aaa-ink-soft); }
.doc-cat { color: var(--aaa-accent); }
.doc-figure { margin: 24px 0; border-radius: var(--aaa-radius); overflow: hidden; }
.doc-figure img { width: 100%; }
.doc-block { margin: 44px 0; }
.doc-block > h2 { font-size: 23px; margin-bottom: 18px; padding-left: 14px; border-left: 4px solid var(--aaa-accent); }
.doc-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0; }

.art-body { font-size: 16.5px; }
.art-body p { margin-bottom: 1.2em; }
.art-body h2 { font-size: 24px; margin: 1.6em 0 .7em; padding-left: 14px; border-left: 4px solid var(--aaa-accent); }
.art-body h3 { font-size: 20px; margin: 1.4em 0 .6em; }
.art-body ul, .art-body ol { margin: 0 0 1.2em 1.4em; }
.art-body li { margin-bottom: .4em; }
.art-body blockquote {
    border-left: 4px solid var(--aaa-accent);
    background: var(--aaa-paper-warm);
    padding: 16px 20px;
    margin: 1.4em 0;
    border-radius: 0 var(--aaa-radius) var(--aaa-radius) 0;
    color: var(--aaa-ink-soft);
}
.art-body table { width: 100%; border-collapse: collapse; margin: 1.4em 0; }
.art-body th, .art-body td { border: 1px solid var(--aaa-line); padding: 10px 14px; text-align: left; }
.art-body th { background: var(--aaa-paper-warm); }
.art-body img { border-radius: var(--aaa-radius); }

/* ---------- 打勾列表 ---------- */
.tick-list { list-style: none; display: grid; gap: 12px; }
.tick-list li {
    background: #fff;
    border: 1px solid var(--aaa-line);
    border-radius: var(--aaa-radius);
    padding: 14px 18px 14px 46px;
    position: relative;
    font-size: 15px;
}
.tick-list li::before {
    content: "✓";
    position: absolute;
    left: 16px; top: 13px;
    width: 22px; height: 22px;
    display: flex; align-items: center; justify-content: center;
    background: var(--aaa-primary);
    color: #fff;
    border-radius: 50%;
    font-size: 12px;
}
.tick-gold li::before { background: var(--aaa-accent); color: #231d06; }

/* ---------- 价格表 ---------- */
.fee-wrap { overflow-x: auto; border: 1px solid var(--aaa-line); border-radius: var(--aaa-radius); box-shadow: var(--aaa-shadow); }
.fee-table { width: 100%; border-collapse: collapse; background: #fff; }
.fee-table th, .fee-table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--aaa-line); font-size: 15px; }
.fee-table thead th { background: var(--aaa-primary); color: #fff; font-family: var(--aaa-serif); letter-spacing: .04em; }
.fee-table tbody tr:nth-child(even) { background: var(--aaa-paper-warm); }
.fee-table tbody tr:hover { background: var(--aaa-gold-soft); }
.fee-note { margin-top: 14px; font-size: 13.5px; color: var(--aaa-ink-soft); }
.fee-more { margin-top: 14px; }

/* ---------- 地区 ---------- */
.region-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.region-card {
    display: block;
    background: #fff;
    border: 1px solid var(--aaa-line);
    border-radius: var(--aaa-radius);
    overflow: hidden;
    box-shadow: var(--aaa-shadow);
    transition: all .2s ease;
}
.region-card:hover { transform: translateY(-4px); box-shadow: var(--aaa-shadow-big); }
.region-img img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.region-info { padding: 20px 22px; }
.region-info h3 { font-size: 18px; margin-bottom: 6px; }
.region-info p { font-size: 14px; color: var(--aaa-ink-soft); margin-bottom: 10px; }
.region-meta { font-size: 13px; color: var(--aaa-accent); font-weight: 600; }

.uni-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.uni-chip {
    background: var(--aaa-paper-warm);
    border: 1px solid var(--aaa-line);
    border-radius: 999px;
    padding: 6px 16px;
    font-size: 13.5px;
    color: var(--aaa-primary);
}

.mini-svc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.mini-svc {
    display: block;
    border: 1px solid var(--aaa-line);
    border-radius: var(--aaa-radius);
    padding: 18px 20px;
    background: #fff;
    transition: all .18s ease;
}
.mini-svc:hover { border-color: var(--aaa-accent); box-shadow: var(--aaa-shadow); }
.mini-svc h3 { font-size: 16px; margin-bottom: 4px; }
.mini-svc p { font-size: 13.5px; color: var(--aaa-ink-soft); }

/* ---------- 下单流程页 ---------- */
.how-steps { display: grid; gap: 18px; margin-bottom: 40px; }
.how-step {
    display: flex;
    gap: 22px;
    background: #fff;
    border: 1px solid var(--aaa-line);
    border-radius: var(--aaa-radius);
    padding: 26px;
    box-shadow: var(--aaa-shadow);
}
.how-no {
    flex: none;
    width: 52px; height: 52px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    background: var(--aaa-primary);
    color: var(--aaa-accent);
    font-family: var(--aaa-serif);
    font-size: 22px;
    font-weight: 700;
    border: 2px solid var(--aaa-accent);
}
.how-body h2 { font-size: 19px; margin-bottom: 6px; }
.how-body p { color: var(--aaa-ink-soft); font-size: 15px; }

/* ---------- CTA 面板 ---------- */
.cta-panel {
    margin-top: 48px;
    background: linear-gradient(140deg, var(--aaa-primary), #0A1E35);
    border-radius: 12px;
    text-align: center;
    padding: 48px 28px;
    color: #fff;
}
.cta-panel h2 { color: #fff; font-size: 24px; margin-bottom: 10px; }
.cta-panel p { color: rgba(255,255,255,.75); margin-bottom: 22px; }

/* ---------- 归档 / 侧栏布局 ---------- */
.arc-head { margin-bottom: 32px; }
.arc-head h1 { font-size: clamp(24px, 3vw, 32px); }
.arc-head p { color: var(--aaa-ink-soft); margin-top: 8px; }
.cols { display: grid; grid-template-columns: 1fr 300px; gap: 44px; align-items: start; }
.arc-list { display: grid; gap: 22px; }
.arc-item {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 20px;
    background: #fff;
    border: 1px solid var(--aaa-line);
    border-radius: var(--aaa-radius);
    overflow: hidden;
    box-shadow: var(--aaa-shadow);
}
.arc-item-flat { grid-template-columns: 1fr; padding: 20px 22px; }
.arc-thumb img { width: 100%; height: 100%; object-fit: cover; }
.arc-info { padding: 18px 20px 18px 0; }
.arc-item-flat .arc-info { padding: 0; }
.arc-info time { font-size: 12px; color: var(--aaa-ink-soft); }
.arc-info h2 { font-size: 18px; margin: 6px 0 8px; }
.arc-info h2 a { color: var(--aaa-primary); }
.arc-info h2 a:hover { color: var(--aaa-accent); }
.arc-info p { font-size: 14px; color: var(--aaa-ink-soft); margin-bottom: 8px; }
.go-link { font-size: 14px; font-weight: 600; color: var(--aaa-accent); }
.arc-empty { color: var(--aaa-ink-soft); }

.side-rail .widget {
    background: #fff;
    border: 1px solid var(--aaa-line);
    border-radius: var(--aaa-radius);
    padding: 22px;
    margin-bottom: 22px;
    box-shadow: var(--aaa-shadow);
}
.side-rail .widget-title { font-size: 16px; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid var(--aaa-accent); display: inline-block; }
.side-rail .widget ul { list-style: none; display: grid; gap: 8px; font-size: 14px; }
.widget-cta { background: var(--aaa-primary) !important; border-color: var(--aaa-primary) !important; color: rgba(255,255,255,.8); }
.widget-cta .widget-title { color: #fff; border-bottom-color: var(--aaa-accent); }
.widget-cta p { font-size: 13.5px; margin-bottom: 14px; }

/* ---------- 分页 ---------- */
.pager, .pagination { margin-top: 36px; }
.pagination .nav-links { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.pagination .page-numbers {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid var(--aaa-line);
    border-radius: 6px;
    background: #fff;
    font-size: 14px;
    color: var(--aaa-ink);
}
.pagination .page-numbers.current { background: var(--aaa-primary); color: #fff; border-color: var(--aaa-primary); }
.pagination a.page-numbers:hover { border-color: var(--aaa-accent); color: var(--aaa-accent); }

/* ---------- 文章页 ---------- */
.doc-article { max-width: 100%; }
.prev-next {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 40px 0;
    padding-top: 24px;
    border-top: 1px solid var(--aaa-line);
    font-size: 14px;
}
.pn-next { text-align: right; }
.prev-next a { color: var(--aaa-primary); font-weight: 500; }
.prev-next a:hover { color: var(--aaa-accent); }

.byline-box {
    display: flex;
    gap: 18px;
    background: var(--aaa-paper-warm);
    border: 1px solid var(--aaa-line);
    border-radius: var(--aaa-radius);
    padding: 24px;
    margin-top: 36px;
}
.byline-face {
    flex: none;
    width: 60px; height: 60px;
    border-radius: 50%;
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--aaa-serif);
    font-size: 24px;
}
.byline-name { font-weight: 700; color: var(--aaa-primary); margin-bottom: 6px; }
.byline-role {
    margin-left: 10px;
    font-size: 12px;
    font-weight: 400;
    color: var(--aaa-accent);
    border: 1px solid var(--aaa-gold-soft);
    background: #fff;
    border-radius: 999px;
    padding: 2px 10px;
}
.byline-info p { font-size: 14px; color: var(--aaa-ink-soft); }

/* ---------- 评论 ---------- */
.discuss { margin-top: 48px; }
.discuss-title { font-size: 20px; margin-bottom: 22px; }
.cmt-list { list-style: none; display: grid; gap: 16px; margin-bottom: 30px; }
.cmt-list .children { list-style: none; margin: 14px 0 0 28px; display: grid; gap: 12px; }
.cmt-body {
    background: #fff;
    border: 1px solid var(--aaa-line);
    border-radius: var(--aaa-radius);
    padding: 18px 20px;
}
.is-by-writer > .cmt-body { border-left: 4px solid var(--aaa-accent); }
.cmt-head { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 8px; font-size: 13px; }
.cmt-name { font-weight: 700; color: var(--aaa-primary); }
.cmt-badge {
    margin-left: 8px;
    font-style: normal;
    font-size: 11px;
    background: var(--aaa-gold-soft);
    color: #6d5810;
    border-radius: 999px;
    padding: 1px 8px;
}
.cmt-time { color: var(--aaa-ink-soft); }
.cmt-text { font-size: 14.5px; }
.cmt-reply { margin-top: 8px; font-size: 13px; }
.cmt-notes { font-size: 13px; color: var(--aaa-ink-soft); margin-bottom: 14px; }
.discuss-closed { color: var(--aaa-ink-soft); }

.comment-form { display: grid; gap: 14px; }
.comment-form label { display: block; font-size: 14px; font-weight: 600; color: var(--aaa-primary); margin-bottom: 6px; }
.comment-form input[type="text"], .comment-form input[type="email"], .comment-form textarea {
    width: 100%;
    border: 1px solid var(--aaa-line);
    border-radius: var(--aaa-radius);
    padding: 10px 14px;
    font-family: inherit;
    font-size: 15px;
}
.comment-form input:focus, .comment-form textarea:focus { outline: 2px solid var(--aaa-accent); outline-offset: 1px; }
.comment-form-cookies-consent label { display: inline; font-weight: 400; font-size: 13px; color: var(--aaa-ink-soft); }
.comment-form .submit {
    justify-self: start;
    background: var(--aaa-primary);
    color: #fff;
    border: none;
    border-radius: var(--aaa-radius);
    padding: 11px 30px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background .18s ease;
}
.comment-form .submit:hover { background: var(--aaa-secondary); }
.hp-field { position: absolute; left: -9999px; top: -9999px; height: 1px; width: 1px; overflow: hidden; }

/* ---------- 搜索表单 ---------- */
.search-form { display: flex; gap: 10px; max-width: 420px; }
.search-form .search-field {
    flex: 1;
    border: 1px solid var(--aaa-line);
    border-radius: var(--aaa-radius);
    padding: 10px 14px;
    font-size: 15px;
}
.search-form .search-submit {
    background: var(--aaa-primary);
    color: #fff;
    border: none;
    border-radius: var(--aaa-radius);
    padding: 10px 22px;
    cursor: pointer;
    font-size: 14px;
}

/* ---------- 404 ---------- */
.lost-page { text-align: center; padding: 60px 0 80px; }
.lost-code {
    font-family: var(--aaa-serif);
    font-size: clamp(80px, 16vw, 150px);
    font-weight: 700;
    color: var(--aaa-primary);
    line-height: 1;
    opacity: .16;
}
.lost-page h1 { font-size: 28px; margin: 10px 0 12px; }
.lost-page p { color: var(--aaa-ink-soft); margin-bottom: 28px; }
.lost-actions { display: flex; gap: 14px; justify-content: center; }
.lost-page .btn-line { color: var(--aaa-primary); border-color: var(--aaa-primary); }
.lost-page .btn-line:hover { background: var(--aaa-primary); color: #fff; }

/* ---------- 滚动显现动画 ---------- */
.fade-up { opacity: 0; transform: translateY(22px); transition: opacity .55s ease, transform .55s ease; }
.fade-up.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .fade-up { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}

/* ---------- 无障碍 ---------- */
.screen-reader-text {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   响应式
   ========================================================================== */

@media (max-width: 1024px) {
    .svc-grid, .crew-grid, .voice-grid, .post-grid, .region-grid, .guar-grid { grid-template-columns: repeat(2, 1fr); }
    .step-flow { grid-template-columns: repeat(2, 1fr); }
    .quote-panel { grid-template-columns: 1fr; }
    .cols { grid-template-columns: 1fr; }
    .side-rail { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
    .side-rail .widget { margin-bottom: 0; }
}

@media (max-width: 900px) {
    .head-row { height: 64px; }
    .nav-btn { display: block; margin-left: auto; }
    .head-cta { display: none; }
    .nav-row {
        display: none;
        position: absolute;
        top: 100%;
        left: 0; right: 0;
        background: #fff;
        border-bottom: 1px solid var(--aaa-line);
        box-shadow: var(--aaa-shadow-big);
        padding: 12px 22px 20px;
    }
    .nav-row.is-open { display: block; }
    .menu { flex-direction: column; align-items: stretch; gap: 2px; }
    .menu > li > a { padding: 12px 10px; border-bottom: 1px solid var(--aaa-paper-warm); border-radius: 0; }
    .menu .sub-menu {
        position: static;
        display: none;
        border: none;
        border-top: none;
        box-shadow: none;
        padding-left: 18px;
    }
    .menu li.sub-open > .sub-menu { display: block; }
    .util-bar-in { justify-content: center; }
}

@media (max-width: 640px) {
    .sec { padding: 54px 0; }
    .hero-band { padding: 64px 0 56px; }
    .stat-row { grid-template-columns: repeat(2, 1fr); }
    .stat-cell { border-left: none; border-top: 1px solid rgba(255,255,255,.12); }
    .stat-cell:nth-child(-n+2) { border-top: none; }
    .svc-grid, .crew-grid, .voice-grid, .post-grid, .region-grid, .guar-grid,
    .step-flow, .sample-list, .sample-list-full, .mini-svc-grid { grid-template-columns: 1fr; }
    .arc-item { grid-template-columns: 1fr; }
    .arc-info { padding: 0 20px 20px; }
    .arc-thumb img { aspect-ratio: 16/9; }
    .foot-grid { grid-template-columns: 1fr; gap: 30px; padding-top: 40px; }
    .side-rail { grid-template-columns: 1fr; }
    .prev-next { grid-template-columns: 1fr; }
    .pn-next { text-align: left; }
    .how-step { flex-direction: column; gap: 14px; }
    .hero-ctas .btn { width: 100%; }
    .float-wx { right: 14px; bottom: 14px; }
    .qp-form, .qp-out { padding: 24px; }
    .fee-table thead { display: none; }
    .fee-table, .fee-table tbody, .fee-table tr, .fee-table td { display: block; width: 100%; }
    .fee-table tr { border-bottom: 2px solid var(--aaa-line); padding: 8px 0; }
    .fee-table td { border-bottom: none; padding: 6px 16px; }
    .fee-table td::before { content: attr(data-label) "："; font-weight: 600; color: var(--aaa-primary); }
}