@charset "utf-8";
/* =========================================================
   上优化 GEO · 全国城市合伙人服务平台（geo.shangyouhua.com）
   品牌红 #c80000 · 金 #ffb300 · 暖白底
   ========================================================= */

:root {
    --red: #c80000;
    --red-2: #a50000;
    --red-deep: #6b0000;
    --gold: #ffb300;
    --gold-2: #ffd76a;
    --ink: #1b1d21;
    --ink-2: #3c424b;
    --muted: #6b7280;
    --line: #efe2d6;
    --line-2: #e6d5c6;
    --bg: #fbf7f2;
    --card: #ffffff;
    --shadow-s: 0 6px 18px rgba(150, 40, 30, .07);
    --shadow-m: 0 14px 36px rgba(150, 40, 30, .12);
    --radius: 18px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: "PingFang SC", "Microsoft Yahei", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
    color: var(--ink-2);
    font-size: 16px;
    line-height: 1.7;
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--red);
    text-decoration: none;
}

a:hover {
    color: var(--red-2);
}

.container {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===================== 顶部导航 ===================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 900;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: saturate(180%) blur(8px);
    border-bottom: 1px solid #f3e9df;
    transition: box-shadow .25s;
}

.site-header.is-stuck {
    box-shadow: 0 8px 24px rgba(80, 20, 20, .08);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 18px;
    height: 78px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo-img {
    height: 46px;
    width: auto;
}

.logo-fallback {
    display: none;
    align-items: center;
    gap: 6px;
    font-size: 25px;
    font-weight: 900;
    color: var(--red);
    letter-spacing: 1px;
}

.logo-fallback i {
    font-style: normal;
    font-size: 12px;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, #c80000, #ff6a3d);
    padding: 3px 7px;
    border-radius: 6px;
    letter-spacing: 1.5px;
}

.nav {
    margin-left: auto;
}

.nav ul {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.nav a {
    display: block;
    padding: 9px 14px;
    border-radius: 9px;
    color: #333a44;
    font-size: 15.5px;
    transition: .2s;
    white-space: nowrap;
}

.nav a:hover {
    background: #fdf2ee;
    color: var(--red);
}

.nav a.active {
    background: var(--red);
    color: #fff;
    font-weight: 600;
}

.header-actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.hbtn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    padding: 0 18px;
    border-radius: 10px;
    font-size: 14.5px;
    font-weight: 600;
    white-space: nowrap;
    transition: .22s;
}

.hbtn-line {
    border: 1px solid var(--red);
    color: var(--red);
    background: #fff;
}

.hbtn-line:hover {
    background: var(--red);
    color: #fff;
}

.hbtn-solid {
    background: linear-gradient(135deg, #d81e06, #a50000);
    color: #fff;
    box-shadow: 0 6px 16px rgba(200, 0, 0, .22);
}

.hbtn-solid:hover {
    color: #fff;
    filter: brightness(1.06);
    transform: translateY(-1px);
}

.burger {
    display: none;
    margin-left: auto;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    background: #fff;
    border: 1px solid var(--line-2);
    border-radius: 10px;
    color: #37404a;
    cursor: pointer;
}

/* ===================== 按钮 ===================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 52px;
    padding: 0 30px;
    border: 0;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: .22s;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(180deg, #ffe066, #ffb300);
    color: #5c0000;
    box-shadow: 0 10px 26px rgba(180, 90, 0, .24);
}

.btn-primary:hover {
    color: #5c0000;
    filter: brightness(1.05);
    transform: translateY(-2px);
}

.btn-ghost {
    background: rgba(255, 255, 255, .14);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .55);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, .24);
    color: #fff;
}

.btn-line {
    background: #fff;
    color: var(--red);
    border: 1px solid #f0c9c1;
}

.btn-line:hover {
    background: #fdf3f1;
    color: var(--red);
}

.btn-sm {
    height: 42px;
    padding: 0 20px;
    font-size: 14.5px;
    border-radius: 10px;
}

/* ===================== Hero ===================== */
.hero {
    position: relative;
    overflow: hidden;
    padding: 68px 0 148px;
    color: #fff;
    background: radial-gradient(1200px 460px at 18% -10%, #ff4b2b 0%, #c80000 46%, #6b0000 100%);
}

.hero::before {
    content: "";
    position: absolute;
    right: -140px;
    top: -120px;
    width: 620px;
    height: 620px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 190, 80, .32), transparent 62%);
    pointer-events: none;
}

.hero::after {
    content: "";
    position: absolute;
    left: -80px;
    bottom: -180px;
    width: 460px;
    height: 460px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, .12), transparent 65%);
    pointer-events: none;
}

.hero-inner {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 15px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .15);
    border: 1px solid rgba(255, 255, 255, .3);
    font-size: 13.5px;
    letter-spacing: .3px;
}

.hero-badge b {
    color: var(--gold-2);
}

.hero h1 {
    margin: 20px 0 16px;
    font-size: clamp(30px, 4vw, 48px);
    line-height: 1.24;
    font-weight: 800;
    letter-spacing: -.5px;
    color: #fff;
}

.hero h1 em {
    font-style: normal;
    color: var(--gold-2);
}

.hero .lead {
    max-width: 660px;
    font-size: 16.5px;
    line-height: 1.9;
    color: rgba(255, 255, 255, .9);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

/* ===================== 城市选择器 ===================== */
.picker {
    position: relative;
    z-index: 3;
    margin-top: -104px;
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 12px 36px;
    align-items: center;
    background: #fff;
    border: 1px solid #f6e9de;
    border-radius: 22px;
    padding: 30px 34px;
    box-shadow: 0 26px 60px rgba(110, 20, 15, .16);
}

.picker-kicker {
    display: inline-block;
    font-size: 12.5px;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--red);
    text-transform: uppercase;
}

.picker-head h2 {
    margin: 4px 0 6px;
    font-size: 22px;
    color: var(--ink);
    letter-spacing: -.2px;
}

.picker-head p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.75;
}

.picker-form {
    display: flex;
    gap: 10px;
    align-items: stretch;
}

.select-wrap {
    position: relative;
    flex: 1;
    min-width: 0;
}

.select-wrap::after {
    content: "";
    position: absolute;
    right: 16px;
    top: 50%;
    width: 8px;
    height: 8px;
    border-right: 2px solid #a08b7d;
    border-bottom: 2px solid #a08b7d;
    transform: translateY(-70%) rotate(45deg);
    pointer-events: none;
}

#citySelect {
    width: 100%;
    height: 52px;
    padding: 0 40px 0 16px;
    border: 1px solid var(--line-2);
    border-radius: 12px;
    background: #fffdfb;
    font-size: 15px;
    color: #2f353d;
    font-family: inherit;
    appearance: none;
    cursor: pointer;
    transition: .2s;
}

#citySelect:focus {
    outline: none;
    border-color: var(--red);
    box-shadow: 0 0 0 3px rgba(200, 0, 0, .1);
}

.picker-hint {
    grid-column: 1 / -1;
    font-size: 13px;
    color: var(--muted);
}

.picker-hint a {
    font-weight: 700;
}

/* ===================== 数据条 ===================== */
.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 34px;
}

.stat {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-s);
}

.stat-num {
    font-size: 30px;
    font-weight: 900;
    color: var(--red);
    line-height: 1;
    letter-spacing: -1px;
}

.stat-num span {
    font-size: 14px;
    font-weight: 700;
    color: var(--red);
    margin-left: 2px;
}

.stat-label {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.5;
}

.stat-label b {
    display: block;
    color: var(--ink);
    font-size: 15px;
    font-weight: 700;
}

/* ===================== 区块 ===================== */
.section {
    padding: 68px 0;
}

.section.tint {
    background: linear-gradient(180deg, #fff, #fdf7f2);
    border-top: 1px solid #f6ece3;
    border-bottom: 1px solid #f6ece3;
}

.sec-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 42px;
}

.sec-kicker {
    display: inline-block;
    font-size: 12.5px;
    font-weight: 800;
    letter-spacing: 2.4px;
    color: var(--red);
    text-transform: uppercase;
}

.sec-head h2 {
    margin: 8px 0 12px;
    font-size: clamp(24px, 2.8vw, 32px);
    font-weight: 800;
    color: var(--ink);
    letter-spacing: -.4px;
    line-height: 1.35;
}

.sec-head h2 em {
    font-style: normal;
    color: var(--red);
}

.sec-head p {
    font-size: 15px;
    color: var(--muted);
    line-height: 1.85;
}

.sec-head p strong {
    color: var(--red);
}

.sec-foot {
    margin-top: 36px;
    text-align: center;
    font-size: 14.5px;
    color: var(--muted);
}

/* ===================== 城市合伙人卡片 ===================== */
.merchant-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

/* 全站（首页/注册/登录/联系我们）卡片统一一行三个，大屏也不再变四列 */
.merchant-grid,
.pg-auth .merchant-grid {
    grid-template-columns: repeat(3, 1fr);
}

.mcard {
    position: relative;
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px 22px 20px;
    box-shadow: var(--shadow-s);
    transition: transform .28s, box-shadow .28s, border-color .28s;
    overflow: hidden;
}

.mcard::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 4px;
    background: linear-gradient(90deg, #c80000, #ffb300);
}

.mcard:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-m);
    border-color: #f3d9c9;
}

.mcard.is-selected {
    border-color: #e9a79c;
    box-shadow: 0 0 0 3px rgba(200, 0, 0, .1), var(--shadow-m);
}

.mcard-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}

.mcard-region {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 21px;
    font-weight: 900;
    color: var(--red);
    letter-spacing: 1.5px;
}

.mcard-region::before {
    content: "";
    width: 7px;
    height: 21px;
    border-radius: 4px;
    background: linear-gradient(180deg, #ffd700, #ffb300);
}

.mcard-badge {
    font-size: 11.5px;
    font-weight: 800;
    color: #a50000;
    background: linear-gradient(180deg, #fff5dd, #ffe6ab);
    border: 1px solid #f2c56b;
    padding: 3px 11px;
    border-radius: 50px;
    letter-spacing: .6px;
    white-space: nowrap;
}

.mcard-company {
    font-size: 15.5px;
    font-weight: 700;
    line-height: 1.6;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px dashed var(--line-2);
}

.mcard-company a {
    color: #23272e;
}

.mcard-company a:hover {
    color: var(--red);
}

.mline {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 13.8px;
    color: #59636e;
    line-height: 1.7;
    margin-bottom: 8px;
}

.mico {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    margin-top: 5px;
    fill: rgba(200, 0, 0, .82);
}

.mline-label {
    color: #8a929c;
    flex-shrink: 0;
}

.mphone {
    color: var(--red);
    font-weight: 800;
    font-size: 15.5px;
    letter-spacing: .4px;
    word-break: break-all;
}

.maddr {
    color: #5c6670;
    word-break: break-word;
}

.msite a {
    color: #59636e;
    word-break: break-all;
}

.msite a:hover {
    color: var(--red);
    text-decoration: underline;
}

.mcard-qr {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px dashed var(--line-2);
    text-align: center;
}

.mcard-qr img {
    width: 108px;
    height: 108px;
    margin: 0 auto;
    object-fit: cover;
    border-radius: 12px;
    border: 3px solid #fff6e2;
    box-shadow: 0 6px 16px rgba(0, 0, 0, .12);
}

.mcard-qr span {
    display: block;
    margin-top: 7px;
    font-size: 12.5px;
    color: #98a1ab;
}

/* 注册卡片：价格 / 权重提示 */
.mprice {
    margin: 14px 0 0;
    padding: 9px 12px;
    border-radius: 10px;
    background: #fff8ec;
    border: 1px dashed #eccd9a;
    font-size: 12.5px;
    line-height: 1.65;
    color: #8a5a12;
}

.mprice b {
    display: inline-block;
    margin-right: 6px;
    padding: 1px 7px;
    border-radius: 6px;
    background: var(--red);
    color: #fff;
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: .5px;
    vertical-align: 1px;
}

/* 注册页：价格与权重说明 */
.price-note {
    margin: 0 0 24px;
    padding: 20px 24px;
    background: #fff;
    border: 1px solid #f2e2cf;
    border-left: 4px solid var(--red);
    border-radius: 14px;
    box-shadow: 0 6px 20px rgba(160, 30, 30, .05);
}

.price-note h3 {
    font-size: 18px;
    color: var(--red);
    margin-bottom: 8px;
}

.price-note p {
    font-size: 15px;
    line-height: 1.85;
    color: #4a525c;
}

.price-note strong {
    color: var(--red);
    font-weight: 600;
}

.mcard-actions {
    display: grid;
    grid-template-columns: 1fr 1fr; /* 两个按钮等宽 */
    gap: 8px;
    margin-top: 16px;
    align-items: stretch;
}

.mbtn {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    padding: 0 12px;
    border-radius: 10px;
    font-size: 13.5px;
    font-weight: 700;
    color: #fff !important;
    background: linear-gradient(135deg, #d81e06, #a50000);
    box-shadow: 0 6px 14px rgba(200, 0, 0, .18);
    transition: .2s;
    white-space: nowrap;
}

.mbtn:hover {
    filter: brightness(1.08);
    transform: translateY(-1px);
}

.mbtn.ghost {
    background: #fff;
    border: 1px solid #f0c9c1;
    color: var(--red) !important;
    box-shadow: none;
}

.mbtn.ghost:hover {
    background: #fdf3f1;
}

.mempty {
    grid-column: 1 / -1;
    padding: 40px;
    text-align: center;
    color: var(--muted);
    background: #fff;
    border: 1px dashed var(--line-2);
    border-radius: 16px;
}

/* ===================== 已选城市合伙人提示条 ===================== */
.selbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    background: linear-gradient(120deg, #fff7f2, #fffdf9);
    border: 1px solid #f6d9ce;
    border-left: 5px solid var(--red);
    border-radius: 14px;
    padding: 16px 20px;
    margin-bottom: 28px;
}

.selbar-main {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 15px;
}

.selbar-tag {
    font-size: 12px;
    font-weight: 800;
    color: #fff;
    background: var(--red);
    padding: 2px 9px;
    border-radius: 6px;
    letter-spacing: .5px;
}

.selbar-main strong {
    color: var(--ink);
    font-size: 15.5px;
}

.selbar-domain {
    font-size: 13px;
    color: var(--muted);
}

.selbar-actions {
    display: flex;
    gap: 8px;
}

/* ===================== 三步 / 须知 ===================== */
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.step {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 26px 24px;
    box-shadow: var(--shadow-s);
    position: relative;
}

.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 11px;
    background: linear-gradient(135deg, #d81e06, #ff6a3d);
    color: #fff;
    font-weight: 900;
    font-size: 16px;
    margin-bottom: 14px;
    box-shadow: 0 8px 18px rgba(200, 0, 0, .2);
}

.step h3 {
    font-size: 17px;
    color: var(--ink);
    margin-bottom: 8px;
}

.step p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.8;
}

.notes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.note {
    background: #fff;
    border: 1px solid var(--line);
    border-left: 3px solid var(--gold);
    border-radius: 0 14px 14px 0;
    padding: 20px 22px;
}

.note h3 {
    font-size: 15.5px;
    color: var(--ink);
    margin-bottom: 6px;
}

.note p {
    font-size: 13.8px;
    color: var(--muted);
    line-height: 1.8;
}

/* ===================== 子页 banner ===================== */
.banner {
    position: relative;
    overflow: hidden;
    padding: 46px 0 44px;
    color: #fff;
    background: radial-gradient(900px 360px at 12% 0%, #ff5230 0%, #c80000 48%, #7a0000 100%);
}

.banner::after {
    content: "";
    position: absolute;
    right: -100px;
    top: -160px;
    width: 460px;
    height: 460px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 195, 90, .28), transparent 65%);
}

.banner h1 {
    position: relative;
    z-index: 2;
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 800;
    letter-spacing: -.3px;
    color: #fff;
}

.banner p {
    position: relative;
    z-index: 2;
    margin-top: 10px;
    max-width: 720px;
    font-size: 15px;
    line-height: 1.85;
    color: rgba(255, 255, 255, .88);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 0;
    font-size: 13.5px;
    color: #8d8377;
}

.breadcrumb a {
    color: #b06a5e;
}

.breadcrumb span {
    color: #9a8e82;
}

/* ===================== 联系我们 ===================== */
.contact-shell {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 22px;
    margin-bottom: 34px;
}

.contact-info {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px 30px;
    box-shadow: var(--shadow-s);
}

.contact-info h2 {
    font-size: 20px;
    color: var(--ink);
    margin-bottom: 18px;
    padding-left: 13px;
    border-left: 4px solid var(--red);
    line-height: 1.3;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-item svg {
    width: 17px;
    height: 17px;
    fill: var(--red);
    margin-top: 5px;
    flex-shrink: 0;
}

.contact-item p {
    font-size: 14.5px;
    color: #4d565f;
    line-height: 1.75;
}

.contact-item b {
    color: var(--ink);
}

.contact-map {
    background: linear-gradient(140deg, #fff8f3, #fff);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px 30px;
    box-shadow: var(--shadow-s);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 12px;
}

.contact-map h2 {
    font-size: 20px;
    color: var(--ink);
}

.contact-map p {
    font-size: 14.5px;
    color: var(--muted);
    line-height: 1.8;
}

.contact-map .btn {
    align-self: flex-start;
    margin-top: 4px;
}

/* ===================== 页脚 ===================== */
.site-footer {
    background: #191b1f;
    color: #9aa3ae;
    padding: 48px 0 0;
    margin-top: 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 32px;
    padding-bottom: 36px;
}

.fbrand-name {
    font-size: 20px;
    font-weight: 900;
    color: #fff;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.fbrand-name em {
    font-style: normal;
    color: var(--gold);
}

.fbrand p {
    font-size: 13.8px;
    line-height: 1.85;
    color: #8c96a2;
    max-width: 320px;
}

.fcol h4 {
    font-size: 15px;
    color: #e8edf3;
    margin-bottom: 14px;
    font-weight: 700;
}

.fcol ul {
    list-style: none;
}

.fcol li {
    font-size: 13.8px;
    line-height: 2;
    color: #8c96a2;
}

.fcol a {
    color: #8c96a2;
}

.fcol a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid #2a2e34;
    padding: 16px 0;
    font-size: 13px;
    color: #757f8b;
}

.footer-bottom .container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.footer-bottom a {
    color: #8c96a2;
}

.footer-bottom .dot {
    color: #454b53;
}

/* ===================== 返回顶部 ===================== */
#backTop {
    position: fixed;
    right: 22px;
    bottom: 84px;
    width: 46px;
    height: 46px;
    display: none;
    align-items: center;
    justify-content: center;
    background: var(--red);
    border: 0;
    border-radius: 50%;
    box-shadow: 0 10px 24px rgba(200, 0, 0, .3);
    cursor: pointer;
    z-index: 880;
}

#backTop svg {
    width: 18px;
    height: 18px;
    fill: #fff;
}

/* 子页（注册 / 登录）里的选择器不再上浮 */
.section .picker {
    margin-top: 0;
}

.center-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 36px;
}

/* ===================== 响应式 ===================== */
@media (max-width: 1024px) {
    .merchant-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps, .notes {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-shell {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* 导航 9 项，1200px 以下放不下 → 提前收起为汉堡菜单 */
@media (max-width: 1200px) {
    .burger {
        display: inline-flex;
    }

    .header-inner {
        flex-wrap: wrap;
        height: auto;
        padding: 12px 0;
        row-gap: 0;
    }

    .nav {
        order: 5;
        width: 100%;
        margin-left: 0;
        display: none;
    }

    .nav.open {
        display: block;
        padding-bottom: 8px;
    }

    .nav ul {
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
    }

    /* 导航项较多，展开时限制高度避免撑满整屏 */
    .nav.open ul {
        max-height: 62vh;
        overflow-y: auto;
    }

    .nav a {
        padding: 12px 14px;
        font-size: 16px;
    }

    .header-actions {
        margin-left: auto;
    }
}

@media (max-width: 860px) {
    .hero {
        padding: 48px 0 128px;
    }

    .picker {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 24px 22px;
        margin-top: -92px;
        border-radius: 18px;
    }

    .picker-form {
        flex-direction: column;
    }

    .picker-form .btn {
        width: 100%;
    }

    .stats {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .section {
        padding: 48px 0;
    }
}

@media (max-width: 620px) {
    body {
        font-size: 15.5px;
    }

    .merchant-grid {
        grid-template-columns: 1fr;
    }

    .steps, .notes {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .header-actions .hbtn-line {
        display: none;
    }

    .banner {
        padding: 34px 0 30px;
    }

    .contact-info, .contact-map {
        padding: 22px 20px;
    }

    .mcard-actions {
        grid-template-columns: 1fr;
    }
}