/* ==========================================================================
   wanglhua网络 · 前台样式表
   设计取向：工程蓝 + 纸白。不使用渐变、发光光斑与胶囊标签，
   以细线分隔、紧凑字距、克制的留白来建立专业感。
   纯手写 CSS，无任何外部依赖（国内服务器可直接部署）
   ========================================================================== */

/* ---------- 设计变量 ---------- */
:root {
    /* 主色只有一个：工程蓝。刻意保留 --grad 名称以兼容旧规则，但它是纯色，不是渐变 */
    --brand: #1d4ed8;
    --brand-2: #16389e;
    --brand-3: #0f766e;
    --brand-soft: #eef2fd;
    --brand-soft-2: #f4f7fe;
    --grad: #1d4ed8;
    --grad-soft: #f2f5fb;

    /* 强调色：只在价格、折扣等处少量使用 */
    --hot: #c2410c;
    --hot-soft: #fdf2ec;

    --ink: #14171c;
    --ink-2: #3a4150;
    --muted: #5f6775;
    --muted-2: #8a919e;
    --line: #e3e6ea;
    --line-2: #eef0f3;
    --bg: #f7f8fa;
    --white: #ffffff;
    --dark: #101317;

    --ok: #15803d;
    --ok-soft: #eef7f0;
    --warn: #a16207;
    --warn-soft: #fdf8ec;
    --err: #c02626;
    --err-soft: #fdefef;

    /* 圆角收小：AI 模板感的来源之一是大圆角 */
    --r-sm: 3px;
    --r: 5px;
    --r-lg: 8px;
    --r-xl: 10px;

    /* 阴影几乎不用，靠 1px 细线和留白分层 */
    --sh-sm: 0 1px 1px rgba(20, 23, 28, .03);
    --sh: 0 1px 2px rgba(20, 23, 28, .04);
    --sh-lg: 0 8px 28px rgba(20, 23, 28, .10);
    --sh-brand: none;

    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
            "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;

    --container: 1200px;
    --nav-h: 72px;
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); }

body {
    margin: 0;
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.75;
    color: var(--ink-2);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 { margin: 0; color: var(--ink); font-weight: 700; line-height: 1.3; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
a { color: var(--brand); text-decoration: none; transition: color .18s ease; }
a:hover { color: var(--brand-2); }
img { max-width: 100%; height: auto; display: block; border: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; font-size: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: inherit; }
table { border-collapse: collapse; width: 100%; }
hr { border: 0; border-top: 1px solid var(--line); margin: 28px 0; }
code { font-family: var(--mono); font-size: .9em; background: var(--line-2); padding: 2px 6px; border-radius: 5px; color: var(--ink); }

.ic { width: 1.15em; height: 1.15em; flex: none; display: inline-block; vertical-align: -.18em; }
.ic-lg { width: 1.5em; height: 1.5em; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }

.main { min-height: 40vh; }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 7px;
    padding: 10px 20px; border: 1px solid transparent; border-radius: var(--r);
    font-size: 14.5px; font-weight: 500; line-height: 1.45; white-space: nowrap;
    background: var(--line-2); color: var(--ink-2); cursor: pointer;
    transition: background .16s ease, color .16s ease, border-color .16s ease;
}
.btn:hover { transform: none; color: var(--ink-2); }
.btn:active { transform: none; }
.btn--primary { background: var(--brand); color: #fff; box-shadow: none; }
.btn--primary:hover { background: var(--brand-2); color: #fff; box-shadow: none; }
.btn--ghost { background: #fff; border-color: var(--line); color: var(--ink-2); box-shadow: none; }
.btn--ghost:hover { border-color: var(--ink-2); color: var(--ink); }
.btn--soft { background: var(--brand-soft); color: var(--brand); }
.btn--soft:hover { background: #e2e8fb; color: var(--brand-2); }
.btn--white { background: #fff; color: var(--ink); box-shadow: none; }
.btn--white:hover { color: var(--brand); }
.btn--outline-white { background: none; color: #fff; border-color: #454b56; }
.btn--outline-white:hover { background: #1d2127; color: #fff; border-color: #5a616e; }
.btn--danger { background: var(--err-soft); color: var(--err); }
.btn--danger:hover { background: #fbe2e2; color: var(--err); }
.btn--sm { padding: 7px 14px; font-size: 13.5px; border-radius: var(--r-sm); }
.btn--lg { padding: 13px 26px; font-size: 15.5px; border-radius: var(--r); }
.btn--block { width: 100%; }
.btn[disabled], .btn.is-disabled { opacity: .5; pointer-events: none; }

/* ---------- 提示条 / 消息 ---------- */
.alert {
    padding: 12px 15px; border-radius: var(--r); font-size: 13.5px; line-height: 1.7;
    margin-bottom: 14px; border: 1px solid transparent;
    border-left-width: 3px;
}
.alert--ok { background: var(--ok-soft); color: #14532d; border-color: #cfe6d6; border-left-color: var(--ok); }
.alert--err { background: var(--err-soft); color: #7f1d1d; border-color: #f0d4d4; border-left-color: var(--err); }
.alert--warn { background: var(--warn-soft); color: #713f12; border-color: #f0e2c0; border-left-color: var(--warn); }
.alert--info { background: var(--brand-soft); color: #1e3a8a; border-color: #d5ddf3; border-left-color: var(--brand); }
.alert ul { margin: 6px 0 0; padding-left: 20px; list-style: disc; }

.toasts { position: fixed; top: 18px; left: 50%; transform: translateX(-50%); z-index: 999; width: min(520px, calc(100% - 32px)); }
.toasts .alert { box-shadow: var(--sh); margin-bottom: 10px; }

/* ---------- 顶部公告 ---------- */
.topbar { background: var(--ink); color: #fff; font-size: 13px; }
.topbar__inner { display: flex; align-items: center; gap: 10px; min-height: 40px; padding-top: 6px; padding-bottom: 6px; }
.topbar__dot { width: 7px; height: 7px; border-radius: 50%; background: #7dffc4; box-shadow: 0 0 0 0 rgba(125, 255, 196, .8); animation: pulse 2s infinite; flex: none; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(125, 255, 196, .7); } 70% { box-shadow: 0 0 0 8px rgba(125, 255, 196, 0); } 100% { box-shadow: 0 0 0 0 rgba(125, 255, 196, 0); } }
.topbar__text { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; opacity: .96; }
.topbar__link { color: #fff; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; flex: none; border-bottom: 1px solid rgba(255, 255, 255, .4); }
.topbar__link:hover { color: #fff; border-bottom-color: #fff; }
.topbar__link .ic { width: 14px; height: 14px; }

/* ---------- 导航 ---------- */
.nav {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255, 255, 255, .88);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--line);
    transition: box-shadow .2s ease;
}
.nav.is-stuck { box-shadow: none; border-bottom-color: var(--ink); }
.nav__inner { display: flex; align-items: center; gap: 20px; min-height: var(--nav-h); }

.brand { display: flex; align-items: center; gap: 11px; flex: none; min-width: 0; max-width: 100%; }
.brand:hover { color: inherit; }
.brand__mark { display: flex; align-items: center; flex: none; }
.brand__mark img { height: 34px; width: auto; display: block; }
.brand__text { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; overflow: hidden; }
.brand__text strong { font-size: 17px; color: var(--ink); letter-spacing: -.2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.brand__text em {
    font-style: normal; font-size: 11.5px; color: var(--muted-2); white-space: nowrap;
    overflow: hidden; text-overflow: ellipsis;
}
.brand--light .brand__text strong { color: #fff; }

.nav__menu { display: flex; align-items: center; gap: 4px; margin-left: 8px; flex: 1; }
.nav__link {
    position: relative; padding: 9px 14px; border-radius: var(--r-sm); font-size: 15px;
    font-weight: 600; color: var(--ink-2);
}
.nav__link:hover { color: var(--brand); background: var(--brand-soft); }
.nav__link.is-active { color: var(--brand); }
.nav__link.is-active::after {
    content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 2px;
    border-radius: 2px; background: var(--grad);
}

.nav__actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.nav__mini {
    display: inline-flex; align-items: center; gap: 5px; font-size: 13.5px;
    color: var(--muted); padding: 8px 10px; border-radius: var(--r-sm); font-weight: 500;
}
.nav__mini:hover { color: var(--brand); background: var(--brand-soft); }
.nav__mini .ic { width: 15px; height: 15px; }
.nav__toggle {
    display: none; align-items: center; justify-content: center;
    width: 42px; height: 42px; border: 1px solid var(--line); background: #fff;
    border-radius: var(--r-sm); color: var(--ink); box-shadow: none;
}
.nav__toggle .ic { width: 20px; height: 20px; }

/* ---------- 移动抽屉 ---------- */
.drawer {
    position: fixed; inset: 0; z-index: 300; background: rgba(14, 23, 48, .45);
    opacity: 0; visibility: hidden; transition: opacity .22s ease, visibility .22s;
}
.drawer.is-open { opacity: 1; visibility: visible; }
.drawer__panel {
    position: absolute; top: 0; right: 0; bottom: 0; width: min(340px, 88%);
    background: #fff; display: flex; flex-direction: column;
    transform: translateX(100%); transition: transform .26s cubic-bezier(.4, 0, .2, 1);
    box-shadow: -12px 0 40px rgba(14, 23, 48, .14);
    padding-bottom: env(safe-area-inset-bottom, 0px);
    overflow-y: auto;
}
.drawer.is-open .drawer__panel { transform: translateX(0); }
.drawer__head { display: flex; align-items: center; gap: 10px; padding: 16px 18px; border-bottom: 1px solid var(--line); }
.drawer__head strong { flex: 1; color: var(--ink); }
.drawer__close { border: 0; background: var(--line-2); width: 34px; height: 34px; border-radius: var(--r-sm); color: var(--ink-2); display: grid; place-items: center; }
.drawer__menu { padding: 10px 12px; overflow-y: auto; flex: 1; }
.drawer__link {
    display: flex; align-items: center; justify-content: space-between;
    padding: 13px 14px; border-radius: var(--r); font-size: 15px; font-weight: 600; color: var(--ink-2);
}
.drawer__link:hover, .drawer__link.is-active { background: var(--brand-soft); color: var(--brand); }
.drawer__link .ic { width: 16px; height: 16px; color: var(--muted-2); }
.drawer__foot { padding: 18px; border-top: 1px solid var(--line); background: var(--bg); }
.drawer__foot p { margin: 0 0 2px; font-size: 12.5px; color: var(--muted); }
.drawer__phone { font-size: 21px; font-weight: 700; color: var(--ink); letter-spacing: -.3px; }
.drawer__time { margin-bottom: 14px !important; }

/* ---------- 区块 ---------- */
.section { padding: 72px 0; }
.section--alt { background: #fff; }
.section--soft { background: var(--grad-soft); }
.section--tight { padding: 52px 0; }

/* 章节标题：左对齐 + 上方细线 + 小号索引标签，替代原来的居中胶囊 */
.sec-head {
    max-width: none; margin: 0 0 34px; text-align: left;
    border-top: 1px solid var(--ink); padding-top: 16px;
}
.sec-head--left { margin-left: 0; }
.eyebrow {
    display: inline-flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 600;
    color: var(--brand); background: none; padding: 0; border-radius: 0;
    margin-bottom: 10px; letter-spacing: .14em;
}
.eyebrow .ic { width: 15px; height: 15px; opacity: .8; }
.sec-title { font-size: 30px; margin-bottom: 10px; letter-spacing: -.5px; font-weight: 700; text-wrap: balance; }
.sec-sub { color: var(--muted); font-size: 15px; margin: 0; max-width: 720px; }
.sec-more { margin-top: 34px; }

/* ---------- 首屏 Hero ---------- */
.hero {
    position: relative; overflow: hidden; color: #fff;
    background: var(--dark);
    padding: 68px 0 72px;
    border-bottom: 1px solid #23272e;
}
.hero::after { display: none; }
.hero__glow { display: none; }
.hero__inner { position: relative; display: grid; grid-template-columns: 1.08fr .92fr; gap: 52px; align-items: center; }
.hero__badge {
    display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 500;
    background: none; border: 0; border-left: 2px solid var(--brand);
    padding: 0 0 0 10px; border-radius: 0; margin-bottom: 20px; color: #9aa3b2;
    letter-spacing: .02em;
}
.hero__badge .ic { width: 14px; height: 14px; color: var(--brand); }
.hero__title { font-size: 42px; line-height: 1.32; color: #fff; letter-spacing: -1.2px; margin-bottom: 18px; font-weight: 700; text-wrap: balance; max-width: 15em; }
.hero__title em { font-style: normal; color: #fff; background: none; -webkit-text-fill-color: currentColor; box-shadow: inset 0 -10px 0 rgba(29, 78, 216, .55); }
.hero__sub { font-size: 16.5px; color: #a8b0bd; max-width: 560px; margin-bottom: 28px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.hero__points { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 13.5px; color: #8d95a3; }
.hero__points span { display: inline-flex; align-items: center; gap: 6px; }
.hero__points .ic { width: 15px; height: 15px; color: #4b9e6a; }

.hero__stats {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
    margin-top: 36px; background: none;
    border-top: 1px solid #262b33; border-radius: 0; overflow: visible;
}
.stat { padding: 18px 16px 0 0; text-align: left; background: none; }
.stat + .stat { padding-left: 18px; border-left: 1px solid #262b33; }
.stat__num { font-size: 26px; font-weight: 700; color: #fff; line-height: 1.2; letter-spacing: -.5px; font-variant-numeric: tabular-nums; }
.stat__num small { font-size: 14px; font-weight: 600; margin-left: 1px; color: #7d879a; }
.stat__label { font-size: 12.5px; color: #7d879a; }

/* Hero 右侧咨询卡 */
.hero__card {
    background: #171a1f; border: 1px solid #2a2f38;
    border-radius: var(--r-lg); padding: 24px; backdrop-filter: none;
    box-shadow: none;
}
.hero__card h3 { color: #fff; font-size: 18px; margin-bottom: 6px; letter-spacing: -.2px; }
.hero__card > p { color: #9aa3b2; font-size: 13.5px; margin-bottom: 18px; }
.hero__fields { display: grid; gap: 10px; margin-bottom: 14px; }
.hero__fields .input, .hero__fields .select { background: #1d2127; border-color: #333945; color: #fff; }
.hero__fields .input::placeholder { color: #6d7684; }
.hero__fields .select { color: #e6ebff; }
.hero__fields .select option { color: var(--ink); }
.hero__tip { font-size: 12px; color: #79818f; text-align: center; margin: 0; }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
    padding: 24px; box-shadow: none; transition: border-color .18s ease;
}
.card:hover { transform: none; box-shadow: none; border-color: var(--ink-2); }

/* 分类卡 */
.cat-card { display: block; text-align: left; }
.cat-card__icon {
    width: 40px; height: 40px; border-radius: var(--r-sm); display: grid; place-items: center;
    background: none; color: var(--brand); margin-bottom: 16px; border: 1px solid var(--line);
}
.cat-card__icon .ic { width: 21px; height: 21px; }
.cat-card h3 { font-size: 17.5px; margin-bottom: 7px; }
.cat-card p { color: var(--muted); font-size: 14px; margin: 0 0 12px; }
.cat-card__more { font-size: 13.5px; font-weight: 600; color: var(--brand); display: inline-flex; align-items: center; gap: 5px; }
.cat-card__more .ic { width: 15px; height: 15px; transition: transform .2s ease; }
.cat-card:hover .cat-card__more .ic { transform: translateX(4px); }

/* 服务 / 套餐卡 */
.svc-card { display: flex; flex-direction: column; position: relative; padding: 28px 26px; }
.svc-card.is-hot { border-color: var(--brand); }
.svc-card__badge {
    position: absolute; top: 18px; right: 18px; font-size: 11.5px; font-weight: 700;
    padding: 3px 9px; border-radius: var(--r-sm); background: var(--hot); color: #fff; letter-spacing: .06em;
}
.svc-card__cat { font-size: 12.5px; color: var(--brand); font-weight: 600; margin-bottom: 8px; display: flex; align-items: center; gap: 5px; }
.svc-card__cat .ic { width: 14px; height: 14px; }
.svc-card h3 { font-size: 20px; margin-bottom: 8px; padding-right: 62px; }
.svc-card__sub { color: var(--muted); font-size: 14px; margin: 0 0 18px; min-height: 44px; }
.svc-card__price { display: flex; align-items: baseline; gap: 8px; padding-bottom: 18px; border-bottom: 1px dashed var(--line); margin-bottom: 18px; }
.price__now { font-size: 32px; font-weight: 700; color: var(--ink); letter-spacing: -1px; line-height: 1; }
.price__now i { font-style: normal; font-size: 18px; font-weight: 600; margin-right: 1px; }
.price__unit { font-size: 13px; color: var(--muted-2); }
.price__old { font-size: 14px; color: var(--muted-2); text-decoration: line-through; margin-left: auto; }
.svc-card__features { flex: 1; margin-bottom: 22px; }
.svc-card__features li { display: flex; gap: 9px; font-size: 14px; color: var(--ink-2); padding: 5px 0; }
.svc-card__features .ic { width: 17px; height: 17px; color: var(--ok); margin-top: 4px; }
.svc-card__actions { display: flex; gap: 10px; }
.svc-card__actions .btn { flex: 1; }

/* 卖点卡 */
.feat { display: flex; gap: 15px; padding: 24px; }
.feat__icon {
    width: 40px; height: 40px; border-radius: var(--r-sm); flex: none; display: grid; place-items: center;
    background: none; color: var(--brand); border: 1px solid var(--line);
}
.feat__icon .ic { width: 23px; height: 23px; }
.feat h3 { font-size: 16.5px; margin-bottom: 6px; }
.feat p { color: var(--muted); font-size: 14px; margin: 0; }

/* 流程 */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; counter-reset: step; }
.step { position: relative; text-align: center; padding: 0 6px; }
.step__num {
    width: 44px; height: 44px; margin: 0 auto 14px; border-radius: var(--r-sm);
    display: grid; place-items: center; font-size: 16px; font-weight: 700;
    background: #fff; color: var(--ink); border: 1px solid var(--line); box-shadow: none;
    position: relative; z-index: 2; font-variant-numeric: tabular-nums;
}
.step::after {
    content: ""; position: absolute; top: 27px; left: calc(50% + 32px); right: calc(-50% + 32px);
    height: 1px; background: var(--line);
}
.step:last-child::after { display: none; }
.step h3 { font-size: 16.5px; margin-bottom: 7px; }
.step p { color: var(--muted); font-size: 13.5px; margin: 0; }

/* 案例卡 */
.case-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.case-card__cover {
    position: relative; aspect-ratio: 16 / 10; overflow: hidden;
    background: #eef1f5; border-bottom: 1px solid var(--line);
}
.case-card__cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s cubic-bezier(.2, .7, .3, 1); }
.case-card:hover .case-card__cover img { transform: scale(1.03); }
/* 未上传封面时：画一个中性的浏览器窗口占位，避免大片空白 */
.case-card__cover .case-card__ph {
    width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
}
.case-card__cover .case-card__ph::before {
    content: ""; position: absolute; top: 0; left: 0; right: 0; height: 28px;
    background: #e4e8ee; border-bottom: 1px solid #d7dce3;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='46' height='10'%3E%3Ccircle cx='5' cy='5' r='3.4' fill='%23c2c9d3'/%3E%3Ccircle cx='23' cy='5' r='3.4' fill='%23c2c9d3'/%3E%3Ccircle cx='41' cy='5' r='3.4' fill='%23c2c9d3'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: 12px center;
}
.case-card__cover .case-card__ph span {
    position: relative; font-size: 14px; font-weight: 600; color: #6b7280; letter-spacing: .08em;
    padding-bottom: 7px; border-bottom: 2px solid var(--brand);
}
.case-card__body { padding: 20px 22px 22px; flex: 1; display: flex; flex-direction: column; }
.case-card h3 { font-size: 18px; margin-bottom: 9px; }
.case-card__client { font-size: 13px; color: var(--muted-2); margin-bottom: 10px; display: flex; align-items: center; gap: 6px; }
.case-card__client .ic { width: 14px; height: 14px; }
.case-card__summary { color: var(--muted); font-size: 14px; flex: 1; margin-bottom: 14px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
    font-size: 12px; padding: 3px 9px; border-radius: var(--r-sm);
    background: var(--line-2); color: var(--muted); font-weight: 500;
    border: 1px solid var(--line);
}
.tag--gray { background: var(--line-2); color: var(--muted); }

/* 评价 */
.quote { padding: 26px; display: flex; flex-direction: column; }
.quote__stars { display: flex; gap: 2px; color: #f5b301; margin-bottom: 12px; }
.quote__stars .ic { width: 17px; height: 17px; fill: currentColor; }
.quote__text { font-size: 15px; color: var(--ink-2); flex: 1; margin-bottom: 18px; }
.quote__who { display: flex; align-items: center; gap: 12px; }
.quote__avatar {
    width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center;
    background: var(--grad); color: #fff; font-weight: 700; font-size: 16px; flex: none;
}
.quote__who strong { display: block; font-size: 14.5px; color: var(--ink); }
.quote__who span { font-size: 12.5px; color: var(--muted-2); }

/* FAQ */
.faq { max-width: 860px; margin: 0 auto; }
.faq__item { background: #fff; border: 1px solid var(--line); border-radius: var(--r); margin-bottom: 12px; overflow: hidden; transition: border-color .2s ease, box-shadow .2s ease; }
.faq__item.is-open { border-color: #c3cfe8; box-shadow: var(--sh-sm); }
.faq__q {
    width: 100%; text-align: left; border: 0; background: none; padding: 18px 22px;
    display: flex; align-items: center; gap: 12px; font-size: 16px; font-weight: 600; color: var(--ink); line-height: 1.5;
}
.faq__q .faq__mark { flex: none; width: 26px; height: 26px; border-radius: var(--r-sm); background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; font-size: 13px; font-weight: 700; }
.faq__q .faq__arrow { margin-left: auto; color: var(--muted-2); transition: transform .25s ease; }
.faq__q .faq__arrow .ic { width: 18px; height: 18px; }
.faq__item.is-open .faq__arrow { transform: rotate(180deg); color: var(--brand); }
.faq__a { display: none; padding: 0 22px 20px 60px; color: var(--muted); font-size: 14.5px; }
.faq__item.is-open .faq__a { display: block; animation: fadeIn .25s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

/* ---------- 内页头部 ---------- */
.page-hero {
    position: relative; overflow: hidden; color: #fff; padding: 46px 0 50px;
    background: var(--dark);
    border-bottom: 1px solid #23272e;
}
.page-hero::before { display: none; }
.page-hero__inner { position: relative; }
.page-hero h1 { color: #fff; font-size: 32px; letter-spacing: -.6px; margin-bottom: 10px; text-wrap: balance; }
.page-hero p { color: #aeb9d8; max-width: 680px; margin: 0; font-size: 15.5px; }
.crumb { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13px; color: #8d9ac0; margin-bottom: 14px; align-items: center; }
.crumb a { color: #b6c1de; }
.crumb a:hover { color: #fff; }
.crumb .ic { width: 13px; height: 13px; }

/* ---------- 筛选器 ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; margin-bottom: 30px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
    padding: 7px 14px; border-radius: var(--r-sm); background: #fff; border: 1px solid var(--line);
    font-size: 13.5px; font-weight: 500; color: var(--ink-2); box-shadow: none;
}
.chip:hover { border-color: #c3cfe8; color: var(--brand); }
.chip.is-active { background: var(--ink); color: #fff; border-color: var(--ink); box-shadow: none; }
.chip.is-active:hover { color: #fff; }
.searchbox { display: flex; gap: 8px; }
.searchbox .input { min-width: 220px; }

/* ---------- 表单 ---------- */
.field { margin-bottom: 18px; }
.field__label { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink-2); margin-bottom: 7px; }
.field__label .req { color: var(--err); margin-left: 3px; }
.field__hint { font-size: 12.5px; color: var(--muted-2); margin-top: 6px; }
.field__error { font-size: 12.5px; color: var(--err); margin-top: 6px; }

.input, .select, .textarea {
    width: 100%; padding: 11px 14px; border: 1px solid var(--line); border-radius: var(--r);
    background: #fafbfc; color: var(--ink); font-size: 14.5px; line-height: 1.6;
    transition: border-color .16s ease, box-shadow .16s ease, background .16s ease;
}
.textarea { min-height: 120px; resize: vertical; }
.select { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235f6775' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 13px center; padding-right: 38px; }
.input:focus, .select:focus, .textarea:focus { outline: 0; border-color: var(--brand); background: #fff; box-shadow: 0 0 0 3px rgba(29, 78, 216, .13); }
.input.is-error, .textarea.is-error, .select.is-error { border-color: var(--err); background: #fffafa; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 18px; }
.form-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 8px; }

.check { display: flex; gap: 9px; align-items: flex-start; font-size: 14px; color: var(--ink-2); cursor: pointer; }
.check input { margin-top: 4px; width: 16px; height: 16px; accent-color: var(--brand); flex: none; }

/* ---------- 通用表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); background: #fff; }
.table { min-width: 640px; }
.table th, .table td { padding: 13px 16px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--line-2); vertical-align: middle; }
.table th { background: #f7f8fa; font-size: 13px; font-weight: 700; color: var(--muted); white-space: nowrap; }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: #fafbfc; }
.table .num { font-variant-numeric: tabular-nums; }
.table td.actions { white-space: nowrap; }

/* 状态徽标 */
.badge { display: inline-flex; align-items: center; gap: 5px; font-size: 12.5px; font-weight: 600; padding: 3px 11px; border-radius: var(--r-sm); white-space: nowrap; }
.badge--wait { background: var(--warn-soft); color: var(--warn); }
.badge--contact { background: var(--brand-soft); color: #1d4ed8; }
.badge--doing { background: #e8f4ff; color: #1a73c7; }
.badge--done { background: var(--ok-soft); color: var(--ok); }
.badge--cancel { background: var(--line-2); color: var(--muted); }

/* ---------- 分页 ---------- */
.pager { display: flex; flex-wrap: wrap; gap: 7px; justify-content: center; margin-top: 40px; }
.pager__item {
    min-width: 40px; height: 40px; padding: 0 13px; display: inline-flex; align-items: center; justify-content: center;
    border-radius: var(--r); background: #fff; border: 1px solid var(--line); font-size: 14px;
    font-weight: 600; color: var(--ink-2); box-shadow: var(--sh-sm);
}
.pager__item:hover { border-color: var(--brand); color: var(--brand); }
.pager__item.is-active { background: var(--ink); color: #fff; border-color: var(--ink); box-shadow: var(--sh-brand); }
.pager__item.is-disabled, .pager__item.is-dots { color: var(--muted-2); background: transparent; border-color: transparent; box-shadow: none; }

/* ---------- 空状态 ---------- */
.empty { text-align: center; padding: 70px 20px; color: var(--muted); }
.empty__icon { width: 56px; height: 56px; margin: 0 auto 16px; border-radius: var(--r); background: #fff; border: 1px solid var(--line); display: grid; place-items: center; color: var(--muted-2); box-shadow: none; }
.empty__icon .ic { width: 30px; height: 30px; }
.empty h3 { font-size: 17px; margin-bottom: 8px; }

/* ---------- 文章 / 富文本 ---------- */
.rich { font-size: 15px; line-height: 1.9; color: var(--ink-2); }
.rich h2 { font-size: 21px; margin: 30px 0 13px; }
.rich h3 { font-size: 17.5px; margin: 24px 0 11px; }
.rich p { margin-bottom: 15px; }
.rich ul { margin: 0 0 15px; padding-left: 4px; }
.rich ul li { position: relative; padding-left: 20px; margin-bottom: 8px; }
.rich ul li::before { content: ""; position: absolute; left: 4px; top: 11px; width: 6px; height: 6px; border-radius: 50%; background: var(--brand); opacity: .6; }
.rich ol { counter-reset: n; margin: 0 0 15px; padding: 0; }
.rich ol li { position: relative; padding-left: 26px; margin-bottom: 8px; counter-increment: n; }
.rich ol li::before { content: counter(n); position: absolute; left: 0; top: 3px; width: 18px; height: 18px; border-radius: 6px; background: var(--brand-soft); color: var(--brand); font-size: 11px; font-weight: 700; display: grid; place-items: center; }
.rich img { border-radius: var(--r); margin: 18px 0; }
.rich blockquote { margin: 18px 0; padding: 14px 18px; border-left: 3px solid var(--brand); background: var(--brand-soft); border-radius: 0 var(--r) var(--r) 0; color: #3a4780; }

/* ---------- CTA 条 ---------- */
.cta-band { background: var(--dark); color: #fff; padding: 48px 0; position: relative; overflow: hidden; border-top: 1px solid #23272e; }
.cta-band::before { display: none; }
.cta-band__inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-band h3 { color: #fff; font-size: 25px; margin-bottom: 8px; letter-spacing: -.4px; }
.cta-band p { color: #bcc6e4; margin: 0; font-size: 15px; }
.cta-band__actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- 页脚 ---------- */
.footer { background: #0b1229; color: #99a4c4; padding: 58px 0 0; font-size: 14px; }
.footer__grid { display: grid; grid-template-columns: 1.55fr 1fr 1fr 1.35fr; gap: 40px; padding-bottom: 42px; }
.footer .brand { margin-bottom: 16px; }
.footer__desc { color: #8b96b8; font-size: 13.5px; line-height: 1.8; margin-bottom: 18px; }
.footer__meta li { display: flex; gap: 9px; align-items: flex-start; margin-bottom: 9px; font-size: 13.5px; color: #8b96b8; }
.footer__meta .ic { width: 16px; height: 16px; color: #6a789e; margin-top: 4px; flex: none; }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 18px; }
.footer__links li { margin-bottom: 11px; }
.footer__links a { color: #99a4c4; font-size: 13.5px; }
.footer__links a:hover { color: #fff; }
.footer__links--tight li { display: flex; gap: 9px; align-items: center; color: #99a4c4; font-size: 13.5px; margin-bottom: 9px; }
.footer__links--tight .ic { width: 15px; height: 15px; color: #6a789e; flex: none; }
.footer__phone { display: block; font-size: 23px; font-weight: 700; color: #fff; letter-spacing: -.4px; margin-bottom: 14px; }
.footer__phone:hover { color: #a8b8ff; }
.footer__qr { display: flex; align-items: center; gap: 12px; margin-top: 16px; }
.footer__qr img { width: 84px; height: 84px; border-radius: var(--r); background: #fff; padding: 4px; }
.footer__qr span { font-size: 12.5px; color: #8b96b8; }
.footer__bottom {
    display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap;
    border-top: 1px solid rgba(255, 255, 255, .08); padding: 20px 20px 26px; font-size: 13px; color: #7b86a8;
}
.footer__bottom p { margin: 0; }
.footer__legal { display: flex; gap: 16px; flex-wrap: wrap; }
.footer__legal a { color: #7b86a8; }
.footer__legal a:hover { color: #b9c3e0; }

/* ---------- 悬浮客服 ---------- */
.floatbar { position: fixed; right: 16px; bottom: 26px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.floatbar__item {
    position: relative; width: 50px; height: 50px; border: 1px solid var(--line); border-radius: var(--r-sm);
    background: #fff; color: var(--ink-2); display: flex; flex-direction: column; align-items: center;
    justify-content: center; gap: 1px; box-shadow: var(--sh); cursor: pointer; padding: 0;
}
.floatbar__item span { font-size: 10px; font-weight: 600; color: var(--muted); line-height: 1; }
.floatbar__item .ic { width: 19px; height: 19px; color: var(--brand); }
.floatbar__item:hover { background: var(--brand-soft); border-color: #c3cfe8; color: var(--brand); }
.floatbar__item--top { display: none; }
.floatbar__item--top.is-show { display: flex; }
.floatbar__item--qr:hover .floatbar__pop { opacity: 1; visibility: visible; transform: translateX(0); }
.floatbar__pop {
    position: absolute; right: calc(100% + 12px); top: 50%; transform: translate(8px, -50%);
    background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 14px;
    box-shadow: var(--sh-lg); text-align: center; width: 168px;
    opacity: 0; visibility: hidden; transition: all .22s ease;
}
.floatbar__pop::after { content: ""; position: absolute; left: 100%; top: 50%; margin-top: -6px; border: 6px solid transparent; border-left-color: #fff; }
.floatbar__pop img { width: 140px; height: 140px; margin: 0 auto 8px; }
.floatbar__pop p { margin: 0; font-size: 12.5px; color: var(--muted); }
.floatbar__pop em { font-style: normal; font-size: 12.5px; font-weight: 600; color: var(--brand); }

/* ---------- 详情页布局 ---------- */
.detail { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 34px; align-items: start; }
/* 网格子项默认 min-width:auto，里面的宽表格会把整列顶出去，导致手机端整页横向滚动 */
.detail > * { min-width: 0; }
.detail__aside { position: sticky; top: calc(var(--nav-h) + 20px); }
.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 24px; box-shadow: var(--sh-sm); }
.panel + .panel { margin-top: 20px; }
.panel__title { font-size: 17px; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.panel__title .ic { width: 19px; height: 19px; color: var(--brand); }

.detail-hero__cat { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 600; color: var(--brand); background: none; border-left: 2px solid var(--brand); padding: 2px 0 2px 9px; border-radius: 0; margin-bottom: 14px; letter-spacing: .06em; }
.detail-hero__cat .ic { width: 14px; height: 14px; }
.detail-hero h1 { font-size: 29px; letter-spacing: -.5px; margin-bottom: 12px; text-wrap: balance; }
.detail-hero__sub { color: var(--muted); font-size: 16px; margin-bottom: 22px; }
.price-box { background: var(--grad-soft); border: 1px solid #e3e8ff; border-radius: var(--r-lg); padding: 22px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-bottom: 26px; }
.price-box .price__now { font-size: 38px; }
.price-box__meta { margin-left: auto; text-align: right; font-size: 13px; color: var(--muted); }
.price-box__meta strong { display: block; color: var(--ink); font-size: 15px; }

.spec-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 22px; }
.spec-list li { display: flex; gap: 9px; font-size: 14.5px; align-items: flex-start; padding: 7px 0; border-bottom: 1px dashed var(--line); }
.spec-list .ic { width: 17px; height: 17px; color: var(--ok); margin-top: 4px; flex: none; }

.order-list li { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
.order-list li:last-child { border-bottom: 0; }
.order-list span:first-child { color: var(--muted); }
.order-list span:last-child { font-weight: 600; color: var(--ink); text-align: right; }

/* 订单进度 */
.progress { display: flex; gap: 0; margin: 6px 0 20px; }
.progress__step { flex: 1; text-align: center; position: relative; font-size: 12.5px; color: var(--muted-2); }
.progress__step::before { content: ""; position: absolute; top: 12px; left: 0; right: 0; height: 2px; background: var(--line); }
.progress__step:first-child::before { left: 50%; }
.progress__step:last-child::before { right: 50%; }
.progress__dot { position: relative; z-index: 2; width: 24px; height: 24px; margin: 0 auto 7px; border-radius: 50%; background: #fff; border: 2px solid var(--line); display: grid; place-items: center; color: var(--muted-2); }
.progress__dot .ic { width: 13px; height: 13px; }
.progress__step.is-done { color: var(--brand); font-weight: 600; }
.progress__step.is-done::before { background: var(--brand); }
.progress__step.is-done .progress__dot { background: var(--grad); border-color: transparent; color: #fff; }

/* 侧边咨询卡 */
.side-cta { background: var(--dark); color: #fff; border: 1px solid #23272e; }
.side-cta h3 { color: #fff; font-size: 18px; margin-bottom: 8px; }
.side-cta p { color: #bcc6e4; font-size: 13.5px; margin-bottom: 16px; }
.side-cta .btn { margin-bottom: 9px; }
.side-cta__phone { display: block; text-align: center; font-size: 19px; font-weight: 700; color: #fff; margin-top: 6px; }

/* 案例详情 */
.gallery { border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--line); background: var(--grad-soft); margin-bottom: 28px; }
.case-meta { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-bottom: 30px; }
.case-meta__item { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 16px 18px; }
.case-meta__item span { display: block; font-size: 12.5px; color: var(--muted-2); margin-bottom: 4px; }
.case-meta__item strong { font-size: 15px; color: var(--ink); }

/* ---------- 登录/注册 ---------- */
.auth { display: grid; grid-template-columns: 1.05fr 1fr; min-height: calc(100vh - var(--nav-h)); }
.auth__side { background: var(--dark); color: #fff; padding: 56px 48px; display: flex; flex-direction: column; justify-content: center; position: relative; overflow: hidden; }
.auth__side::before { display: none; }
.auth__side > * { position: relative; }
.auth__side h2 { color: #fff; font-size: 30px; margin-bottom: 14px; letter-spacing: -.6px; }
.auth__side p { color: #b3bee0; font-size: 15px; margin-bottom: 26px; }
.auth__perks li { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 13px; color: #d3dbf2; font-size: 14.5px; }
.auth__perks .ic { width: 18px; height: 18px; color: #7de3a8; margin-top: 4px; flex: none; }
.auth__body { display: flex; align-items: center; justify-content: center; padding: 56px 24px; }
.auth__form { width: 100%; max-width: 400px; }
.auth__form h1 { font-size: 26px; margin-bottom: 8px; }
.auth__form > p { color: var(--muted); margin-bottom: 26px; font-size: 14.5px; }
.auth__switch { text-align: center; margin-top: 20px; font-size: 14px; color: var(--muted); }
.auth__tabs { display: flex; gap: 6px; background: var(--line-2); padding: 5px; border-radius: var(--r); margin-bottom: 24px; }
.auth__tab { flex: 1; text-align: center; padding: 9px; border-radius: var(--r-sm); font-size: 14.5px; font-weight: 600; color: var(--muted); }
.auth__tab.is-active { background: #fff; color: var(--brand); box-shadow: var(--sh-sm); }

/* 分步器 */
.stepper { display: flex; align-items: center; gap: 0; margin-bottom: 30px; }
.stepper__item { display: flex; align-items: center; gap: 9px; font-size: 14px; color: var(--muted); font-weight: 600; }
.stepper__num { width: 28px; height: 28px; border-radius: 50%; background: var(--line-2); color: var(--muted); display: grid; place-items: center; font-size: 13px; flex: none; }
.stepper__item.is-active { color: var(--brand); }
.stepper__item.is-active .stepper__num { background: var(--grad); color: #fff; box-shadow: var(--sh-brand); }
.stepper__line { flex: 1; height: 2px; background: var(--line); margin: 0 14px; }

/* ---------- 结果页 ---------- */
.result { max-width: 660px; margin: 0 auto; text-align: center; padding: 62px 0; }
.result__icon { width: 82px; height: 82px; margin: 0 auto 22px; border-radius: 50%; display: grid; place-items: center; background: var(--ok-soft); color: var(--ok); }
.result__icon .ic { width: 40px; height: 40px; }
.result__icon--warn { background: var(--warn-soft); color: var(--warn); }
.result h1 { font-size: 28px; margin-bottom: 12px; }
.result > p { color: var(--muted); margin-bottom: 26px; }
.result__box { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 24px; text-align: left; box-shadow: var(--sh-sm); margin-bottom: 24px; }
.result__sn { font-family: var(--mono); font-size: 19px; font-weight: 700; color: var(--brand); letter-spacing: .5px; }
.result__actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* 联系方式卡片（联系页顶部四个渠道） */
.channel-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
    .hero__inner { grid-template-columns: 1fr; gap: 40px; }
    .hero__title { font-size: 38px; }
    .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .detail { grid-template-columns: 1fr; }
    .detail__aside { position: static; }
    .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .steps { grid-template-columns: repeat(3, 1fr); row-gap: 26px; }
    .step::after { display: none; }
}

@media (max-width: 900px) {
    .nav__menu, .nav__mini span { display: none; }
    .nav__mini { padding: 8px; }
    .nav__toggle { display: flex; }
    .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .auth { grid-template-columns: 1fr; min-height: 0; }
    .auth__side { padding: 40px 24px; }
    .auth__side h2 { font-size: 24px; }
    .section { padding: 58px 0; }
    .sec-title { font-size: 27px; }
}

/* ---------- 手机版 ---------- */
@media (max-width: 680px) {
    body { font-size: 14.5px; }

    /* 顶部公告：只留一行，文字过长时省略 */
    .topbar__inner { min-height: 36px; }
    .topbar__text { font-size: 12.5px; }
    .topbar__link { display: none; }

    /* 导航：隐藏口号，避免撑宽 */
    .brand__text em { display: none; }
    .brand__text strong { font-size: 16px; }
    .brand__mark img { height: 30px; }
    .nav__inner { gap: 10px; }
    .nav__actions { gap: 6px; }
    .nav__mini { padding: 8px 6px; }
    .nav__toggle { width: 40px; height: 40px; }
    .nav__actions .btn--sm { padding: 9px 14px; }

    /* 首屏 */
    .hero { padding: 44px 0 52px; }
    .hero__title { font-size: 29px; letter-spacing: -.6px; }
    .hero__sub { font-size: 15px; margin-bottom: 22px; }
    .hero__badge { font-size: 12px; padding: 5px 12px; }
    .hero__cta { gap: 10px; }
    .hero__cta .btn { flex: 1 1 100%; }
    .hero__points { gap: 10px 16px; font-size: 13px; }
    .hero__stats { grid-template-columns: repeat(2, 1fr); margin-top: 30px; }
    .stat { padding: 16px 10px; }
    .stat__num { font-size: 23px; }
    .stat__label { font-size: 12px; }
    .hero__card { padding: 20px; border-radius: var(--r-lg); }

    /* 网格一律单列 */
    .grid { gap: 16px; }
    .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
    .form-grid, .form-grid--3 { grid-template-columns: 1fr; }
    .spec-list { grid-template-columns: 1fr; }
    .case-meta { grid-template-columns: 1fr; }
    .footer__grid { grid-template-columns: 1fr; gap: 28px; }
    .footer__bottom { flex-direction: column; text-align: center; gap: 8px; }
    .footer__legal { justify-content: center; }

    /* 联系渠道卡片保持两列，避免逐个占满一行、页面过长 */
    .channel-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
    .channel-grid .feat { padding: 16px 14px; flex-direction: column; align-items: flex-start; gap: 10px; }
    .channel-grid .feat__icon { width: 40px; height: 40px; border-radius: var(--r-sm); }
    .channel-grid .feat__icon .ic { width: 20px; height: 20px; }
    .channel-grid .feat h3 { font-size: 13px; }
    .channel-grid .feat a, .channel-grid .feat strong { font-size: 15px !important; overflow-wrap: anywhere; }

    /* 首页列表类板块手机上只展示前 3 条，其余通过「查看全部」进入（内容仍在 DOM 中，不影响 SEO） */
    .home-truncate > *:nth-child(n+4) { display: none; }

    /* 流程：改成竖向时间轴，避免 5 个步骤排成两列留个孤项 */
    .steps { grid-template-columns: 1fr; row-gap: 0; gap: 0; }
    .step {
        display: flex; align-items: flex-start; gap: 14px; text-align: left;
        padding: 0 0 22px; position: relative;
    }
    .step:last-child { padding-bottom: 0; }
    .step::after {
        display: block; content: ""; position: absolute;
        left: 26px; top: 56px; bottom: 4px; width: 2px; height: auto; right: auto;
        background: var(--line);
    }
    .step:last-child::after { display: none; }
    .step__num { margin: 0; width: 52px; height: 52px; font-size: 18px; }
    .step h3 { font-size: 16px; margin-bottom: 4px; }
    .step p { font-size: 13.5px; }

    /* 区块间距 */
    .section { padding: 44px 0; }
    .section--tight { padding: 34px 0; }
    .sec-head { margin-bottom: 30px; }
    .sec-title { font-size: 22px; }
    .sec-sub { font-size: 14.5px; }
    .sec-more { margin-top: 28px; }
    .page-hero { padding: 36px 0 40px; }
    .page-hero h1 { font-size: 24px; }
    .page-hero p { font-size: 14.5px; }
    .detail-hero h1 { font-size: 22px; }
    .detail-hero__sub { font-size: 15px; }
    .price__now { font-size: 26px; }
    .price-box { padding: 18px; gap: 10px; }
    .price-box .price__now { font-size: 28px; }
    .price-box__meta { margin-left: 0; text-align: left; width: 100%; }
    .card { padding: 20px 18px; border-radius: var(--r); }
    .panel { padding: 18px 16px; border-radius: var(--r); }
    .panel__title { font-size: 16px; }

    /* 套餐卡片：价格与按钮排布更紧凑 */
    .svc-card { padding: 22px 18px; }
    .svc-card h3 { font-size: 18px; padding-right: 56px; }
    .svc-card__sub { min-height: 0; margin-bottom: 14px; }
    .svc-card__actions { flex-direction: column; }
    .svc-card__actions .btn { width: 100%; }
    .svc-card__badge { top: 14px; right: 14px; }

    /* 筛选：分类改为横向滑动，节省纵向空间 */
    .filters { flex-direction: column; flex-wrap: nowrap; align-items: stretch; gap: 12px; margin-bottom: 22px; }
    .chips {
        width: 100%; max-width: 100%;
        flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px;
        -webkit-overflow-scrolling: touch; scrollbar-width: none;
    }
    .chips::-webkit-scrollbar { display: none; }
    .chip { flex: none; padding: 7px 15px; font-size: 13.5px; }
    .searchbox { width: 100%; }
    .searchbox .input { min-width: 0; flex: 1; }
    .searchbox .btn { flex: none; }

    /* 按钮 */
    .btn { padding: 11px 18px; }
    .btn--lg { padding: 13px 22px; font-size: 15px; width: 100%; }
    .form-actions { gap: 10px; }
    .form-actions .btn { width: 100%; }

    /* 表单：字号 ≥16px，避免 iOS 聚焦时自动放大页面 */
    .input, .select, .textarea { font-size: 16px; padding: 12px 14px; }
    .field__label { font-size: 14px; }
    .field__hint, .field__error { font-size: 12.5px; }
    .textarea { min-height: 110px; }

    /* FAQ：减少缩进 */
    .faq__q { padding: 16px 16px; font-size: 15px; gap: 10px; }
    .faq__a { padding: 0 16px 18px 52px; font-size: 14px; }
    .faq__q .faq__mark { width: 24px; height: 24px; font-size: 12px; }

    /* 表格：横向滚动并给出滑动提示 */
    .table-wrap { -webkit-overflow-scrolling: touch; position: relative; }
    .table { min-width: 560px; }
    .table th, .table td { padding: 11px 12px; font-size: 13.5px; }

    /* 订单进度：小屏压缩 */
    .progress__step { font-size: 11.5px; }
    .progress__dot { width: 22px; height: 22px; margin-bottom: 5px; }
    .progress__dot .ic { width: 12px; height: 12px; }

    /* 悬浮客服：手机上改成底部操作条，不再遮挡正文 */
    body { padding-bottom: calc(54px + env(safe-area-inset-bottom, 0px)); }
    .floatbar {
        left: 0; right: 0; bottom: 0; gap: 0; flex-direction: row;
        background: #fff; border-top: 1px solid var(--line);
        padding-bottom: env(safe-area-inset-bottom, 0px);
    }
    .floatbar__item {
        flex: 1; width: auto; height: 54px; border: 0; border-radius: 0;
        border-right: 1px solid var(--line-2); box-shadow: none;
    }
    .floatbar__item:last-child { border-right: 0; }
    .floatbar__item:hover { background: var(--brand-soft); }
    .floatbar__item .ic { width: 19px; height: 19px; }
    .floatbar__item span { font-size: 10px; }
    .floatbar__item--top { display: none !important; }
    .floatbar__pop {
        right: 10px; left: auto; bottom: calc(100% + 10px); top: auto;
        transform: translateY(6px); width: 172px; padding: 12px;
    }
    .floatbar__item--qr:hover .floatbar__pop { transform: translateY(0); }
    .floatbar__pop::after { display: none; }
    .floatbar__pop img { width: 140px; height: 140px; }

    /* 页脚 */
    .footer { padding-top: 40px; }
    .footer__phone { font-size: 21px; }
    .footer__qr { margin-top: 12px; }

    /* 登录注册：移动端先看到表单，把宣传区收起来 */
    .auth__side { display: none; }
    .auth__body { padding: 30px 18px 46px; }
    .auth__form { max-width: 100%; }
    .auth__form h1 { font-size: 23px; }

    /* 内页侧栏 CTA */
    .side-cta__phone { font-size: 18px; }

    /* 底部 CTA 条 */
    .cta-band { padding: 34px 0; }
    .cta-band__inner { flex-direction: column; align-items: stretch; gap: 20px; }
    .cta-band h3 { font-size: 21px; }
    .cta-band__actions { flex-direction: column; }
    .cta-band__actions .btn { width: 100%; }

    /* 空状态 */
    .empty { padding: 48px 16px; }
    .result { padding: 40px 0; }
    .result h1 { font-size: 23px; }
    .result__actions .btn { width: 100%; }
}

/* ---------- 小屏手机（iPhone SE 等 375px 及以下）---------- */
@media (max-width: 400px) {
    .container { padding: 0 16px; }
    .hero__title { font-size: 25px; }
    .hero__points { font-size: 12.5px; gap: 8px 14px; }
    .stat__num { font-size: 21px; }
    .sec-title { font-size: 20px; }
    .brand__text strong { font-size: 15px; }
    .nav__actions .btn--sm { padding: 8px 12px; font-size: 13px; }
    .floatbar__item { height: 50px; }
    .floatbar__item .ic { width: 17px; height: 17px; }
    .grid { gap: 14px; }
    .card { padding: 18px 16px; }
}

/* 触屏设备：去掉点击高亮、保证最小触控尺寸 */
@media (hover: none) and (pointer: coarse) {
    a, button, .chip, .faq__q, .floatbar__item { -webkit-tap-highlight-color: transparent; }
    .pager__item { min-width: 44px; height: 44px; }
    .drawer__link { padding: 14px; }
    .footer__links li { margin-bottom: 4px; }
    .footer__links a { display: inline-block; padding: 7px 0; }
}

@media print {
    .nav, .topbar, .floatbar, .cta-band, .footer { display: none; }
}