/* ==========================================================================
   动感智能客服 · 营销页 & 登录页 样式（主题变量 + 落地页 .site-* + 登录页 .lg-*）
   ========================================================================== */

:root {
    --navy: #0a1a2e;
    --navy-2: #0d2138;
    --navy-3: #12314f;
    --blue: #2563eb;
    --blue-d: #1d4ed8;
    --blue-l: #3b82f6;
    --ink: #0f172a;
    --muted: #6b7a90;
    --line: #e7ecf3;
    --bg: #f5f7fa;
    --card: #ffffff;
    --shadow: 0 18px 40px -18px rgba(15, 34, 63, .28);
    --radius: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    color: var(--ink);
    background: #fff;
    font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.wrap { width: min(1180px, 92%); margin: 0 auto; }

/* 通用按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid transparent;
    border-radius: 10px;
    padding: 11px 20px;
    font-size: 14.5px;
    font-weight: 600;
    cursor: pointer;
    transition: .18s ease;
    white-space: nowrap;
}
.btn-lg { padding: 14px 26px; font-size: 15.5px; }
.btn-blue { background: var(--blue); color: #fff; box-shadow: 0 10px 22px -12px rgba(37, 99, 235, .9); }
.btn-blue:hover { background: var(--blue-d); transform: translateY(-1px); }
.btn-ghost { background: #fff; color: var(--ink); border-color: #d5deea; }
.btn-ghost:hover { border-color: #b9c6d8; background: #f7f9fc; }
.btn-dark { background: var(--navy); color: #fff; }
.btn-dark:hover { background: var(--navy-2); }

/* ==========================================================================
   落地页
   ========================================================================== */

/* 顶部导航 */
.site-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--navy);
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.site-nav .wrap {
    display: flex;
    align-items: center;
    gap: 34px;
    height: 66px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .2px; }
.brand-mark {
    width: 30px; height: 30px; border-radius: 9px;
    background: linear-gradient(135deg, var(--blue-l), var(--blue));
    display: grid; place-items: center; color: #fff; font-size: 15px; font-weight: 800;
}
.brand-name { font-size: 16px; }
.brand-name em { font-style: normal; color: #9fb4d1; font-weight: 600; margin-left: 4px; }
.nav-links { display: flex; gap: 26px; margin-left: 8px; }
.nav-links a { color: #c7d4e6; font-size: 14.5px; transition: .16s; }
.nav-links a:hover { color: #fff; }
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 18px; }
.nav-demo { color: #c7d4e6; font-size: 14.5px; }
.nav-demo:hover { color: #fff; }
.site-nav .btn { padding: 9px 18px; }

/* Hero */
.hero {
    position: relative;
    padding: 76px 0 70px;
    background:
        linear-gradient(rgba(15, 34, 63, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 34, 63, .035) 1px, transparent 1px),
        linear-gradient(180deg, #fbfcfe, #fff);
    background-size: 46px 46px, 46px 46px, 100% 100%;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
.badge {
    display: inline-block;
    background: #e8f0ff;
    color: var(--blue-d);
    border: 1px solid #d3e2ff;
    border-radius: 999px;
    padding: 5px 14px;
    font-size: 12.5px;
    font-weight: 600;
    margin-bottom: 22px;
}
.hero h1 {
    font-size: 46px;
    line-height: 1.22;
    font-weight: 800;
    letter-spacing: -.5px;
    margin: 0 0 20px;
}
.hero h1 span { color: var(--blue); }
.hero-copy > p {
    font-size: 16px;
    color: var(--muted);
    max-width: 520px;
    margin: 0 0 30px;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-btns.center { justify-content: center; }
.hero-stats { display: flex; gap: 46px; margin-top: 44px; }
.hero-stats b { display: block; font-size: 26px; font-weight: 800; letter-spacing: -.4px; }
.hero-stats span { font-size: 13px; color: var(--muted); }

/* Hero 右侧控制台模拟 */
.mock {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
    overflow: hidden;
}
.mock-top {
    display: flex; align-items: center; gap: 7px;
    padding: 12px 16px;
    background: #f7f9fc;
    border-bottom: 1px solid var(--line);
}
.mock-top .dot { width: 10px; height: 10px; border-radius: 50%; background: #d9e0ea; }
.mock-top .dot:nth-child(1) { background: #ff5f57; }
.mock-top .dot:nth-child(2) { background: #febc2e; }
.mock-top .dot:nth-child(3) { background: #28c840; }
.mock-title { margin-left: 8px; font-size: 12.5px; color: var(--muted); font-weight: 600; }
.mock-body { display: grid; grid-template-columns: 176px 1fr; min-height: 322px; }
.mock-list { border-right: 1px solid var(--line); padding: 12px; background: #fcfdff; }
.mock-list-h { font-size: 11.5px; color: var(--muted); font-weight: 700; margin-bottom: 10px; letter-spacing: .3px; }
.mock-item { display: flex; gap: 9px; align-items: center; padding: 9px; border-radius: 10px; }
.mock-item.active { background: #eaf1ff; }
.mock-item .av {
    width: 28px; height: 28px; border-radius: 8px; background: #dbe6f7; color: var(--blue-d);
    display: grid; place-items: center; font-size: 12px; font-weight: 700; flex: none;
}
.mock-item b { display: block; font-size: 12.5px; font-weight: 600; }
.mock-item small { font-size: 11px; color: var(--muted); }
.mock-chat { padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.msg { display: flex; flex-direction: column; gap: 4px; max-width: 82%; }
.msg.right { align-self: flex-end; align-items: flex-end; }
.msg .sender { font-size: 11px; color: var(--muted); }
.bubble { background: #f1f4f9; border-radius: 12px; padding: 9px 13px; font-size: 13px; }
.bubble.blue { background: var(--blue); color: #fff; }
.quick { border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; box-shadow: 0 10px 20px -16px rgba(15,34,63,.4); }
.quick-h { font-size: 11px; color: var(--muted); font-weight: 700; margin-bottom: 6px; }
.quick-i { font-size: 12.5px; padding: 5px 0; color: #33475f; border-top: 1px dashed var(--line); }
.quick-i:first-of-type { border-top: 0; }
.mock-input { margin-top: auto; border: 1px solid var(--line); border-radius: 10px; padding: 9px 13px; font-size: 12.5px; color: #9aa8bb; }

/* 通用区块 */
.section { padding: 78px 0; }
.section.bg-light { background: var(--bg); }
.sec-title { font-size: 30px; font-weight: 800; letter-spacing: -.4px; margin: 0 0 12px; }
.sec-sub { color: var(--muted); margin: 0 0 42px; max-width: 640px; font-size: 15px; }

.cards3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 26px 24px; transition: .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #d7e2f2; }
.card-num { font-size: 13px; font-weight: 800; color: var(--blue); letter-spacing: 1px; margin-bottom: 14px; }
.card h3 { font-size: 17px; margin: 0 0 10px; font-weight: 700; }
.card p { color: var(--muted); margin: 0; font-size: 14px; }

.cards4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { position: relative; padding: 26px 22px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.step-num {
    width: 34px; height: 34px; border-radius: 10px; background: #e8f0ff; color: var(--blue-d);
    display: grid; place-items: center; font-weight: 800; margin-bottom: 14px;
}
.step h3 { font-size: 16px; margin: 0 0 8px; font-weight: 700; }
.step p { color: var(--muted); margin: 0; font-size: 13.5px; }

/* 系统架构（深色） */
.arch { background: var(--navy); color: #fff; }
.arch .sec-title { color: #fff; }
.arch .sec-sub { color: #9fb4d1; }
.arch-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px 40px; }
.arch-list li { color: #c7d4e6; font-size: 14.5px; padding-left: 22px; position: relative; }
.arch-list li::before { content: ""; position: absolute; left: 0; top: 9px; width: 9px; height: 9px; border-radius: 3px; background: var(--blue-l); }
.arch-list b { color: #fff; margin-right: 8px; }

/* CTA */
.cta { text-align: center; background: linear-gradient(180deg, #fff, #f6f9ff); }
.cta h2 { font-size: 28px; font-weight: 800; margin: 0 0 14px; letter-spacing: -.4px; }
.cta p { color: var(--muted); max-width: 560px; margin: 0 auto 30px; }

/* 页脚 */
.foot { background: var(--navy-2); color: #7f93ad; padding: 26px 0; font-size: 13px; text-align: center; }
/* ICP 备案号（平台「网站设置」填了才出现） */
.foot-icp { margin-top: 4px; font-size: 12px; color: #647c98; }
.foot-icp a { color: #8497b0; }
.foot-icp a:hover { color: #fff; }

/* ==========================================================================
   登录页
   ========================================================================== */
.lg { display: grid; grid-template-columns: 1fr 1fr; min-height: 100vh; }
.lg-left {
    position: relative; overflow: hidden; color: #fff;
    background: radial-gradient(1100px 520px at -10% -10%, #16375c 0%, transparent 60%), var(--navy);
    padding: 42px 52px 32px;
    display: flex; flex-direction: column;
}
.lg-left::before {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
    background-size: 46px 46px;
}
.lg-brand { display: flex; align-items: center; gap: 11px; font-weight: 700; font-size: 15px; position: relative; }
.lg-brand .mark {
    width: 32px; height: 32px; border-radius: 9px;
    background: linear-gradient(135deg, var(--blue-l), var(--blue));
    display: grid; place-items: center; font-weight: 800;
}
.lg-left-body { position: relative; margin-top: auto; padding-bottom: 26px; }
.lg-left-body h1 { font-size: 40px; line-height: 1.24; font-weight: 800; letter-spacing: -.5px; margin: 0 0 18px; }
.lg-left-body > p { color: #a9bed8; max-width: 440px; margin: 0 0 28px; font-size: 14.5px; }
.lg-points { list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; }
.lg-points li { display: flex; gap: 14px; }
.lg-points i {
    font-style: normal; flex: none; width: 30px; height: 30px; border-radius: 9px;
    background: rgba(59, 130, 246, .16); color: #7cabff; font-weight: 800; font-size: 13px;
    display: grid; place-items: center;
}
.lg-points b { display: block; font-size: 14.5px; font-weight: 700; }
.lg-points span { color: #93a8c4; font-size: 13px; }
.lg-foot { position: relative; color: #647c98; font-size: 12px; }
.lg-foot a { color: #8fb0d8; text-decoration: none; }
.lg-foot a:hover { color: #fff; }

.lg-right { background: #fff; display: flex; align-items: center; justify-content: center; padding: 44px 40px; }
.lg-panel { width: 100%; max-width: 400px; }
.lg-tabs { display: flex; gap: 26px; border-bottom: 1px solid var(--line); margin-bottom: 30px; }
.lg-tab {
    background: none; border: 0; cursor: pointer; padding: 0 2px 14px;
    font-size: 15px; font-weight: 600; color: #97a6b9; position: relative; font-family: inherit;
}
.lg-tab.active { color: var(--ink); }
.lg-tab.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--blue); border-radius: 2px; }

.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 7px; }
.field label em { color: #e5484d; font-style: normal; }
.field input {
    width: 100%; border: 1px solid #d7deea; border-radius: 10px; padding: 12px 14px;
    font-size: 14.5px; outline: none; transition: .16s; font-family: inherit; background: #fff;
}
.field input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37, 99, 235, .12); }
.field input.is-invalid { border-color: #e5484d; background: #fffbfb; animation: lgFieldShake .32s ease-in-out; }
.field input.is-invalid:focus { border-color: #e5484d; box-shadow: 0 0 0 3px rgba(229, 72, 77, .14); }

/* 登录页提示卡片（替代 Bootstrap alert，登录页未引入 Bootstrap） */
.lg-alert {
    display: flex; align-items: flex-start; gap: 10px;
    border: 1px solid #f7d7d9; border-radius: 12px; background: #fef5f5; color: #b3261e;
    padding: 12px 14px; margin-bottom: 20px; font-size: 13.5px; line-height: 1.62;
    animation: lgAlertIn .22s ease-out;
}
.lg-alert-ico {
    flex: none; width: 18px; height: 18px; border-radius: 50%; margin-top: 2px;
    background: #e5484d; color: #fff; font-style: normal; font-size: 12px; font-weight: 800;
    display: grid; place-items: center; line-height: 1;
}
.lg-alert b { display: block; font-weight: 700; margin-bottom: 2px; }
.lg-alert-list { margin: 3px 0 0; padding-left: 18px; }
.lg-alert.ok { border-color: #cdecd9; background: #f3fbf6; color: #17663a; }
.lg-alert.ok .lg-alert-ico { background: #16a34a; }
@keyframes lgAlertIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: none; }
}
/* 出错字段轻微抖动，帮助用户快速定位 */
@keyframes lgFieldShake {
    25% { transform: translateX(-3px); }
    75% { transform: translateX(3px); }
}

.err { display: flex; align-items: center; gap: 6px; color: #e5484d; font-size: 12.5px; margin-top: 7px; }
.err::before {
    content: "!"; flex: none; width: 14px; height: 14px; border-radius: 50%;
    background: #e5484d; color: #fff; font-size: 10px; font-weight: 800;
    display: grid; place-items: center; line-height: 1;
}
.remember { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--muted); margin-bottom: 22px; }
.btn-submit {
    width: 100%; border: 0; border-radius: 10px; padding: 13px; cursor: pointer;
    background: var(--blue); color: #fff; font-size: 15px; font-weight: 700;
    box-shadow: 0 12px 24px -14px rgba(37, 99, 235, .95); transition: .18s; font-family: inherit;
}
.btn-submit:hover { background: var(--blue-d); }

.demo-card { margin-top: 26px; border: 1px solid var(--line); border-radius: 12px; background: #fafbfd; padding: 14px 16px; }
.demo-h { font-size: 12.5px; color: var(--muted); margin-bottom: 10px; }
.demo-row {
    display: grid; grid-template-columns: 90px 78px 1fr; align-items: center; gap: 8px;
    padding: 9px 8px; border-radius: 9px; cursor: pointer; transition: .15s;
}
.demo-row:hover { background: #eef4ff; }
.demo-row code { font-size: 12.5px; color: var(--blue-d); font-weight: 700; font-family: "SFMono-Regular", Consolas, monospace; }
.demo-row .role { font-size: 12.5px; font-weight: 600; color: #33475f; }
.demo-row .desc { font-size: 12px; color: #8b9ab0; }

.lg-hint { text-align: center; margin-top: 24px; font-size: 13px; color: var(--muted); }
.lg-hint a { color: var(--blue); font-weight: 600; }

/* ==========================================================================
   官网「套餐与权益」页（/pricing）· .pg-*
   ========================================================================== */

/* 导航当前项 */
.nav-links a.is-on { color: #fff; font-weight: 600; }

/* 页头 */
.pg-hero {
    padding: 66px 0 52px;
    background:
        linear-gradient(rgba(15, 34, 63, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 34, 63, .035) 1px, transparent 1px),
        linear-gradient(180deg, #fbfcfe, #fff);
    background-size: 46px 46px, 46px 46px, 100% 100%;
}
.pg-hero .badge { margin-bottom: 16px; }
.pg-hero h1 {
    font-size: 40px; line-height: 1.24; font-weight: 800;
    letter-spacing: -.5px; margin: 0 0 16px;
}
.pg-hero h1 span { color: var(--blue); }
.pg-hero p { color: var(--muted); font-size: 15.5px; max-width: 700px; margin: 0; }
.pg-meta { display: flex; flex-wrap: wrap; gap: 10px 26px; margin-top: 22px; }
.pg-meta span {
    position: relative; padding-left: 16px;
    font-size: 13.5px; color: #46586f;
}
.pg-meta span::before {
    content: ""; position: absolute; left: 0; top: 8px;
    width: 7px; height: 7px; border-radius: 2px; background: var(--blue-l);
}

/* 套餐卡片 */
.pg-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; align-items: stretch; }
.pg-card {
    position: relative; display: flex; flex-direction: column;
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 26px 22px 22px; transition: .2s ease;
}
.pg-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #d7e2f2; }
.pg-card.is-rec { border-color: #bcd0f5; box-shadow: var(--shadow); }
.pg-rec {
    position: absolute; top: -11px; left: 22px;
    background: var(--blue); color: #fff; font-size: 11.5px; font-weight: 700;
    letter-spacing: .3px; border-radius: 999px; padding: 3px 11px;
}
.pg-name { font-size: 17px; font-weight: 700; }
.pg-price { display: flex; align-items: baseline; gap: 6px; margin: 12px 0 18px; }
.pg-price b { font-size: 34px; font-weight: 800; letter-spacing: -.8px; line-height: 1.1; }
.pg-price small { color: var(--muted); font-size: 13px; }
.pg-quota {
    display: grid; gap: 6px; font-size: 13.5px; color: #33475f;
    padding: 12px 0; margin-bottom: 14px;
    border-top: 1px dashed var(--line); border-bottom: 1px dashed var(--line);
}
.pg-quota div { display: flex; justify-content: space-between; gap: 10px; }
.pg-quota span { color: var(--muted); }
.pg-feats { list-style: none; padding: 0; margin: 0 0 20px; display: grid; gap: 8px; font-size: 13.5px; }
.pg-feats li { display: flex; align-items: flex-start; gap: 8px; color: #33475f; }
.pg-feats li.off { color: #aab5c5; }
.pg-feats .ic { width: 15px; flex: 0 0 15px; color: #16a34a; font-weight: 700; font-size: 12.5px; line-height: 1.55; }
.pg-feats li.off .ic { color: #c3ccd9; }
.pg-feats em { margin-left: auto; font-style: normal; color: var(--muted); font-size: 12.5px; white-space: nowrap; }
.pg-feats li.off em { color: #b8c2d0; }
.pg-card .btn { margin-top: auto; width: 100%; }

/* 说明条 */
.pg-note {
    margin-top: 26px; padding: 14px 18px;
    background: #f2f6fd; border: 1px solid #dde8fa; border-radius: 12px;
    font-size: 13.5px; color: #46586f;
}
.pg-note b { color: var(--ink); margin-right: 6px; }

/* 空态 */
.pg-empty {
    text-align: center; background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); padding: 64px 24px;
}
.pg-empty b { display: block; font-size: 18px; margin-bottom: 10px; }
.pg-empty p { color: var(--muted); margin: 0 0 22px; }

/* 权益对比表 */
.pg-table-wrap {
    overflow-x: auto; background: #fff;
    border: 1px solid var(--line); border-radius: var(--radius);
    -webkit-overflow-scrolling: touch;
}
.pg-table { width: 100%; min-width: 720px; border-collapse: collapse; font-size: 14px; }
.pg-table th, .pg-table td {
    padding: 13px 16px; border-bottom: 1px solid var(--line);
    text-align: center; vertical-align: middle;
}
.pg-table thead th { background: #f7f9fc; font-weight: 700; color: #26374d; }
.pg-table tbody tr:last-child td { border-bottom: 0; }
.pg-table th:first-child, .pg-table td:first-child {
    position: sticky; left: 0; z-index: 1;
    text-align: left; background: #fff; color: #33475f; min-width: 160px;
}
.pg-table thead th:first-child { background: #f7f9fc; }
.pg-table .rec-col { background: #f4f8ff; }
.pg-table thead th.rec-col { background: #e9f1ff; color: var(--blue-d); }
.pg-yes { color: #16a34a; font-weight: 600; }
.pg-no { color: #b8c2d0; }

/* 计费说明 */
.pg-faq { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px 40px; }
.pg-faq h4 { margin: 0 0 6px; font-size: 15px; font-weight: 700; }
.pg-faq p { margin: 0; color: var(--muted); font-size: 13.8px; }

.foot a { color: #a9bdd7; }
.foot a:hover { color: #fff; }

/* ==========================================================================
   企业自助开通表单（登录页「开通企业账号」页签）· .su-*
   ========================================================================== */
.su-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.su-hint { color: var(--muted); font-size: 12px; margin-top: 6px; }
.su-sep { border: 0; border-top: 1px solid var(--line); margin: 22px 0 18px; }
.lg-tabpane[data-pane="signup"] .btn-submit { margin-top: 4px; }
.lg-tabpane[data-pane="signup"] .lg-hint { margin-top: 16px; }
.lg-tabpane[data-pane="signup"] .lg-alert { margin-bottom: 18px; }

/* 响应式 */
@media (max-width: 980px) {
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero h1 { font-size: 36px; }
    .cards3, .cards4, .arch-list { grid-template-columns: 1fr 1fr; }
    .lg { grid-template-columns: 1fr; }
    .lg-left { display: none; }

    /* 套餐与权益页 */
    .pg-hero { padding: 50px 0 40px; }
    .pg-hero h1 { font-size: 32px; }
    .pg-grid { grid-template-columns: 1fr 1fr; }
    .pg-faq { grid-template-columns: 1fr; gap: 20px; }
    .pg-table { min-width: 640px; }
}
@media (max-width: 620px) {
    .nav-links { display: none; }
    .cards3, .cards4, .arch-list { grid-template-columns: 1fr; }
    .hero h1 { font-size: 30px; }
    .hero-stats { gap: 26px; }
    .mock-body { grid-template-columns: 1fr; }
    .mock-list { display: none; }

    /* 套餐与权益页 */
    .pg-hero { padding: 40px 0 34px; }
    .pg-hero h1 { font-size: 27px; }
    .pg-hero p { font-size: 14.5px; }
    .pg-meta { gap: 8px 18px; }
    .pg-grid { grid-template-columns: 1fr; gap: 16px; }
    .pg-card { padding: 24px 18px 18px; }
    .pg-table { min-width: 560px; font-size: 13.5px; }
    .pg-table th, .pg-table td { padding: 11px 12px; }
    .pg-table th:first-child, .pg-table td:first-child { min-width: 128px; }

    /* 企业自助开通：窄屏两列并排太挤，改单列 */
    .su-grid { grid-template-columns: 1fr; gap: 0; }
}