@charset "utf-8";
/* 哇虎科技 官网首页 - 2026 redesign
   设计基色：主色 #2563eb → #4f46e5，辅助 #06b6d4 / #f59e0b
   全站响应式：1200 / 1024 / 768 / 480 断点
*/

/* ------------------- reset & base ------------------- */
* {
    margin: 0;
    padding: 0;
    outline: none;
    list-style: none;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: 76px;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, "Hiragino Sans GB", sans-serif;
    color: var(--text);
    background: #fff;
    line-height: 1.7;
    font-size: 15px;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-soft: #eff6ff;
    --indigo: #4f46e5;
    --cyan: #06b6d4;
    --amber: #f59e0b;
    --text: #0f172a;
    --muted: #64748b;
    --line: #e6ebf2;
    --bg-soft: #f6f8fc;
    --radius: 16px;
    --shadow-sm: 0 2px 10px rgba(15, 23, 42, .06);
    --shadow: 0 10px 30px rgba(15, 23, 42, .08);
    --shadow-lg: 0 24px 60px rgba(37, 99, 235, .16);
    --container: 1200px;
}

img {
    max-width: 100%;
    border: 0;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    -webkit-transition: color .2s, background .2s, box-shadow .2s, transform .2s;
    transition: color .2s, background .2s, box-shadow .2s, transform .2s;
}

/* ------------------- layout helpers ------------------- */
.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 96px 0;
}

.section--soft {
    background: var(--bg-soft);
}

.section--gradient {
    background: -webkit-linear-gradient(180deg, #f6f8fc 0%, #ffffff 100%);
    background: linear-gradient(180deg, #f6f8fc 0%, #ffffff 100%);
}

/* section header */
.sec-head {
    max-width: 760px;
    margin: 0 auto 56px;
    text-align: center;
}

.sec-tag {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .5px;
    margin-bottom: 18px;
}

.sec-head h2 {
    font-size: 36px;
    line-height: 1.35;
    font-weight: 700;
    letter-spacing: -.5px;
}

.sec-head p {
    margin-top: 16px;
    color: var(--muted);
    font-size: 16px;
}

.sec-head h2 em {
    font-style: normal;
    background: -webkit-linear-gradient(90deg, #2563eb, #4f46e5);
    background: linear-gradient(90deg, #2563eb, #4f46e5);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ------------------- buttons ------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 40px;
    padding: 0 20px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    white-space: nowrap;
}

.btn-primary {
    background: -webkit-linear-gradient(135deg, #2563eb, #4f46e5);
    background: linear-gradient(135deg, #2563eb, #4f46e5);
    color: #fff;
    box-shadow: 0 8px 20px rgba(37, 99, 235, .28);
}

.btn-primary:hover {
    color: #fff;
    -webkit-transform: translateY(-2px);
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(37, 99, 235, .34);
}

.btn-outline {
    border-color: #c9d6ea;
    color: var(--primary);
    background: #fff;
}

.btn-outline:hover {
    border-color: var(--primary);
    background: var(--primary-soft);
    -webkit-transform: translateY(-2px);
    transform: translateY(-2px);
}

.btn-ghost {
    color: var(--text);
    background: transparent;
}

.btn-ghost:hover {
    color: var(--primary);
}

.btn-lg {
    height: 52px;
    padding: 0 32px;
    font-size: 16px;
    font-weight: 600;
}

.btn-block {
    width: 100%;
}

.btn-white {
    background: #fff;
    color: var(--primary);
    box-shadow: 0 8px 20px rgba(15, 23, 42, .18);
}

.btn-white:hover {
    color: var(--primary-dark);
    -webkit-transform: translateY(-2px);
    transform: translateY(-2px);
}

.btn .arrow {
    font-family: SimSun, serif;
    font-size: 13px;
}

/* ------------------- header ------------------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 72px;
    background: rgba(255, 255, 255, .82);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid rgba(230, 235, 242, .8);
    -webkit-transition: box-shadow .25s, background .25s;
    transition: box-shadow .25s, background .25s;
}

.site-header.is-scrolled {
    box-shadow: 0 6px 24px rgba(15, 23, 42, .07);
    background: rgba(255, 255, 255, .96);
}

.header-inner {
    height: 72px;
    display: flex;
    align-items: center;
    gap: 28px;
}

.brand {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
}

.brand img {
    height: 50px;
    width: auto;
}

.brand-fallback {
    font-size: 21px;
    font-weight: 800;
    letter-spacing: -.5px;
    background: -webkit-linear-gradient(90deg, #2563eb, #4f46e5);
    background: linear-gradient(90deg, #2563eb, #4f46e5);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1 1 auto;
}

.main-nav a {
    position: relative;
    padding: 8px 14px;
    font-size: 15px;
    color: #334155;
    border-radius: 8px;
}

.main-nav a:hover {
    color: var(--primary);
    background: var(--primary-soft);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
}

.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    cursor: pointer;
    padding: 11px 9px;
    flex-direction: column;
    justify-content: space-between;
}

.nav-toggle span {
    display: block;
    height: 2px;
    border-radius: 2px;
    background: #334155;
    -webkit-transition: transform .25s, opacity .25s;
    transition: transform .25s, opacity .25s;
}

.nav-toggle.is-open span:nth-child(1) {
    -webkit-transform: translateY(7px) rotate(45deg);
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
    -webkit-transform: translateY(-7px) rotate(-45deg);
    transform: translateY(-7px) rotate(-45deg);
}

/* ------------------- hero ------------------- */
.hero {
    position: relative;
    padding: 148px 0 96px;
    overflow: hidden;
    background: #fff;
}

.hero::before {
    content: "";
    position: absolute;
    top: -260px;
    left: 50%;
    width: 1100px;
    height: 780px;
    margin-left: -550px;
    background: radial-gradient(closest-side, rgba(37, 99, 235, .16), rgba(37, 99, 235, 0));
    pointer-events: none;
}

.hero::after {
    content: "";
    position: absolute;
    top: 220px;
    right: -180px;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    background: radial-gradient(closest-side, rgba(79, 70, 229, .14), rgba(79, 70, 229, 0));
    pointer-events: none;
}

.hero-inner {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 56px;
}

.hero-copy {
    flex: 1 1 540px;
    min-width: 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--primary-soft);
    border: 1px solid #d7e6ff;
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
}

.hero-badge i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 0 4px rgba(34, 197, 94, .18);
}

.hero h1 {
    margin-top: 22px;
    font-size: 52px;
    line-height: 1.22;
    font-weight: 800;
    letter-spacing: -1.2px;
    color: #0b1220;
}

.hero h1 em {
    font-style: normal;
    background: -webkit-linear-gradient(100deg, #2563eb 10%, #4f46e5 60%, #06b6d4 100%);
    background: linear-gradient(100deg, #2563eb 10%, #4f46e5 60%, #06b6d4 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-desc {
    margin-top: 22px;
    max-width: 560px;
    font-size: 17px;
    line-height: 1.85;
    color: #475569;
}

.hero-actions {
    margin-top: 34px;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.hero-note {
    margin-top: 16px;
    font-size: 13px;
    color: #94a3b8;
}

.hero-stats {
    margin-top: 46px;
    padding-top: 30px;
    border-top: 1px dashed var(--line);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.hero-stats b {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: #0b1220;
    letter-spacing: -.5px;
}

.hero-stats span {
    font-size: 13px;
    color: var(--muted);
}

/* hero visual */
.hero-visual {
    flex: 0 1 480px;
    position: relative;
    min-height: 430px;
}

.mock {
    position: relative;
    border-radius: 20px;
    background: #fff;
    box-shadow: var(--shadow-lg);
    border: 1px solid #eaf0f8;
    overflow: hidden;
}

.mock-bar {
    height: 38px;
    background: #f8fafc;
    border-bottom: 1px solid #eef2f7;
    display: flex;
    align-items: center;
    padding: 0 14px;
    gap: 6px;
}

.mock-bar i {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #dde5ee;
}

.mock-bar i:first-child {
    background: #ff5f57;
}

.mock-bar i:nth-child(2) {
    background: #febc2e;
}

.mock-bar i:nth-child(3) {
    background: #28c840;
}

.mock-bar span {
    margin-left: 8px;
    font-size: 12px;
    color: #94a3b8;
}

.mock-body {
    padding: 18px;
}

.mock-kpis {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.mock-kpi {
    padding: 12px;
    border-radius: 12px;
    background: var(--bg-soft);
    border: 1px solid #eef2f7;
}

.mock-kpi small {
    display: block;
    font-size: 12px;
    color: var(--muted);
}

.mock-kpi b {
    display: block;
    margin-top: 4px;
    font-size: 18px;
    color: #0f172a;
}

.mock-chart {
    margin-top: 14px;
    height: 118px;
    border-radius: 12px;
    background: -webkit-linear-gradient(180deg, #eff6ff, #ffffff);
    background: linear-gradient(180deg, #eff6ff, #ffffff);
    border: 1px solid #eef2f7;
    padding: 14px 12px 10px;
    display: flex;
    align-items: flex-end;
    gap: 8px;
}

.mock-chart i {
    flex: 1;
    border-radius: 6px 6px 0 0;
    background: -webkit-linear-gradient(180deg, #60a5fa, #2563eb);
    background: linear-gradient(180deg, #60a5fa, #2563eb);
    opacity: .9;
}

.mock-list {
    margin-top: 14px;
}

.mock-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 0;
    border-top: 1px dashed #eef2f7;
    font-size: 13px;
    color: #475569;
}

.mock-row em {
    margin-left: auto;
    font-style: normal;
    font-weight: 700;
    color: #0f172a;
}

.mock-row i {
    width: 22px;
    height: 22px;
    border-radius: 7px;
    background: var(--primary-soft);
}

.float-card {
    position: absolute;
    background: #fff;
    border: 1px solid #eaf0f8;
    border-radius: 14px;
    box-shadow: var(--shadow);
    padding: 14px 16px;
    z-index: 3;
}

.float-card small {
    display: block;
    font-size: 12px;
    color: var(--muted);
}

.float-card b {
    font-size: 16px;
}

.float-card--pay {
    left: -58px;
    top: 66px;
    border-left: 3px solid #22c55e;
}

.float-card--order {
    right: -34px;
    bottom: 54px;
    border-left: 3px solid var(--amber);
}

.float-card--member {
    right: -20px;
    top: 24px;
    border-left: 3px solid var(--indigo);
    text-align: left;
}

/* ------------------- logos / trust ------------------- */
.trust {
    padding: 30px 0 10px;
}

.trust-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px 44px;
    opacity: .72;
}

.trust-inner span {
    font-size: 15px;
    font-weight: 600;
    color: #94a3b8;
    letter-spacing: 1px;
}

/* ------------------- features ------------------- */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.feature-card {
    position: relative;
    padding: 30px 26px 28px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    -webkit-transition: transform .28s, box-shadow .28s, border-color .28s;
    transition: transform .28s, box-shadow .28s, border-color .28s;
    overflow: hidden;
}

.feature-card::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: var(--radius);
    opacity: 0;
    background: -webkit-linear-gradient(180deg, rgba(37, 99, 235, .06), rgba(37, 99, 235, 0));
    background: linear-gradient(180deg, rgba(37, 99, 235, .06), rgba(37, 99, 235, 0));
    -webkit-transition: opacity .28s;
    transition: opacity .28s;
}

.feature-card:hover {
    -webkit-transform: translateY(-6px);
    transform: translateY(-6px);
    border-color: #bcd0f5;
    box-shadow: var(--shadow);
}

.feature-card:hover::after {
    opacity: 1;
}

.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 18px;
    background: var(--primary-soft);
}

.feature-icon.c2 {
    background: #eef2ff;
}

.feature-icon.c3 {
    background: #ecfeff;
}

.feature-icon.c4 {
    background: #fff7ed;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

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

.feature-card ul {
    margin-top: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.feature-card ul li {
    font-size: 12px;
    color: #475569;
    background: var(--bg-soft);
    border: 1px solid #eef2f7;
    border-radius: 999px;
    padding: 3px 10px;
}

/* ------------------- industry tabs ------------------- */
.solution-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 36px;
}

.solution-tabs button {
    height: 44px;
    padding: 0 26px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: #fff;
    font-size: 15px;
    font-weight: 600;
    color: #475569;
    cursor: pointer;
    -webkit-transition: all .22s;
    transition: all .22s;
    font-family: inherit;
}

.solution-tabs button:hover {
    border-color: #bcd0f5;
    color: var(--primary);
}

.solution-tabs button.active {
    background: -webkit-linear-gradient(135deg, #2563eb, #4f46e5);
    background: linear-gradient(135deg, #2563eb, #4f46e5);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 10px 22px rgba(37, 99, 235, .26);
}

.solution-panel {
    display: none;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 22px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.solution-panel.active {
    display: block;
    -webkit-animation: fadeUp .45s ease both;
    animation: fadeUp .45s ease both;
}

@-webkit-keyframes fadeUp {
    from {
        opacity: 0;
        -webkit-transform: translateY(14px);
        transform: translateY(14px);
    }

    to {
        opacity: 1;
        -webkit-transform: none;
        transform: none;
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(14px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

.solution-panel-inner {
    display: flex;
    align-items: stretch;
    gap: 0;
}

.solution-copy {
    flex: 1 1 50%;
    padding: 44px 46px;
}

.solution-copy h3 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 12px;
}

.solution-copy .sol-desc {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.9;
}

.solution-copy .sol-list {
    margin-top: 24px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px 18px;
}

.solution-copy .sol-list li {
    position: relative;
    padding-left: 22px;
    font-size: 14px;
    color: #334155;
}

.solution-copy .sol-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 12px;
    height: 7px;
    border-left: 2px solid var(--primary);
    border-bottom: 2px solid var(--primary);
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
}

.solution-metrics {
    flex: 0 0 320px;
    padding: 44px 40px;
    background: -webkit-linear-gradient(160deg, #2563eb, #4f46e5);
    background: linear-gradient(160deg, #2563eb, #4f46e5);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 26px;
}

.solution-metrics .m-item b {
    display: block;
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -.5px;
    line-height: 1.2;
}

.solution-metrics .m-item span {
    font-size: 13px;
    opacity: .85;
}

/* ------------------- advantages ------------------- */
.adv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.adv-card {
    padding: 34px 30px;
    border-radius: var(--radius);
    background: #fff;
    border: 1px solid var(--line);
    position: relative;
    -webkit-transition: transform .28s, box-shadow .28s;
    transition: transform .28s, box-shadow .28s;
}

.adv-card:hover {
    -webkit-transform: translateY(-6px);
    transform: translateY(-6px);
    box-shadow: var(--shadow);
}

.adv-num {
    font-size: 13px;
    font-weight: 800;
    color: #c7d7f5;
    letter-spacing: 2px;
}

.adv-card h3 {
    margin-top: 10px;
    font-size: 19px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.adv-card h3 i {
    font-style: normal;
    font-size: 22px;
}

.adv-card p {
    margin-top: 12px;
    font-size: 14px;
    color: var(--muted);
    line-height: 1.85;
}

.adv-bar {
    margin-top: 20px;
    height: 6px;
    border-radius: 999px;
    background: var(--bg-soft);
    overflow: hidden;
}

.adv-bar i {
    display: block;
    height: 100%;
    border-radius: 999px;
    background: -webkit-linear-gradient(90deg, #2563eb, #06b6d4);
    background: linear-gradient(90deg, #2563eb, #06b6d4);
}

/* ------------------- cases ------------------- */
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.case-card {
    border-radius: var(--radius);
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--line);
    -webkit-transition: transform .28s, box-shadow .28s;
    transition: transform .28s, box-shadow .28s;
}

.case-card:hover {
    -webkit-transform: translateY(-6px);
    transform: translateY(-6px);
    box-shadow: var(--shadow);
}

.case-thumb {
    height: 152px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    letter-spacing: 1px;
}

.case-thumb.t1 {
    background: linear-gradient(135deg, #f97316, #ef4444);
}

.case-thumb.t2 {
    background: linear-gradient(135deg, #8b5cf6, #ec4899);
}

.case-thumb.t3 {
    background: linear-gradient(135deg, #0ea5e9, #2563eb);
}

.case-body {
    padding: 24px 26px 28px;
}

.case-body h3 {
    font-size: 18px;
    font-weight: 700;
}

.case-body .case-sub {
    margin-top: 6px;
    font-size: 13px;
    color: #94a3b8;
}

.case-body p {
    margin-top: 14px;
    font-size: 14px;
    color: var(--muted);
    line-height: 1.85;
}

.case-result {
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px dashed var(--line);
    display: flex;
    gap: 22px;
}

.case-result b {
    display: block;
    font-size: 21px;
    color: var(--primary);
    font-weight: 800;
}

.case-result span {
    font-size: 12px;
    color: var(--muted);
}

/* ------------------- testimonials ------------------- */
.testi-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.testi-card {
    padding: 30px 28px;
    border-radius: var(--radius);
    background: #fff;
    border: 1px solid var(--line);
    display: flex;
    flex-direction: column;
}

.testi-card .quote {
    font-size: 30px;
    line-height: 1;
    color: #c7d7f5;
    font-family: Georgia, serif;
}

.testi-card p {
    margin-top: 12px;
    font-size: 14.5px;
    color: #334155;
    line-height: 1.9;
    flex: 1 1 auto;
}

.testi-user {
    margin-top: 22px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.testi-user .avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    flex: 0 0 auto;
}

.testi-user .avatar.a1 {
    background: linear-gradient(135deg, #f97316, #f59e0b);
}

.testi-user .avatar.a2 {
    background: linear-gradient(135deg, #8b5cf6, #6366f1);
}

.testi-user .avatar.a3 {
    background: linear-gradient(135deg, #06b6d4, #2563eb);
}

.testi-user b {
    display: block;
    font-size: 14px;
}

.testi-user span {
    font-size: 12.5px;
    color: var(--muted);
}

/* ------------------- pricing ------------------- */
.price-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
}

.price-card {
    position: relative;
    padding: 34px 30px 32px;
    border-radius: 20px;
    background: #fff;
    border: 1px solid var(--line);
    -webkit-transition: transform .28s, box-shadow .28s;
    transition: transform .28s, box-shadow .28s;
}

.price-card:hover {
    -webkit-transform: translateY(-6px);
    transform: translateY(-6px);
    box-shadow: var(--shadow);
}

.price-card.recommend {
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-lg);
}

.price-card .tag {
    position: absolute;
    top: -14px;
    left: 50%;
    -webkit-transform: translateX(-50%);
    transform: translateX(-50%);
    padding: 4px 16px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, #2563eb, #4f46e5);
    white-space: nowrap;
}

.price-card h3 {
    font-size: 20px;
    font-weight: 700;
}

.price-card .price-desc {
    margin-top: 6px;
    font-size: 13px;
    color: var(--muted);
    min-height: 22px;
}

.price-value {
    margin: 20px 0 6px;
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.price-value i {
    font-style: normal;
    font-size: 16px;
    color: #334155;
}

.price-value b {
    font-size: 40px;
    font-weight: 800;
    letter-spacing: -1px;
    color: #0b1220;
    line-height: 1;
}

.price-value span {
    font-size: 13px;
    color: var(--muted);
}

.price-origin {
    font-size: 13px;
    color: #94a3b8;
}

.price-features {
    margin: 22px 0 26px;
}

.price-features li {
    position: relative;
    padding: 7px 0 7px 24px;
    font-size: 14px;
    color: #334155;
}

.price-features li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 15px;
    width: 12px;
    height: 7px;
    border-left: 2px solid #22c55e;
    border-bottom: 2px solid #22c55e;
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
}

.price-features li.off {
    color: #94a3b8;
}

.price-features li.off::before {
    border-color: #cbd5e1;
}

/* 单一价格方案 */
.price-single {
    max-width: 680px;
    margin: 0 auto;
}

.price-card--only {
    padding: 52px 48px 44px;
    text-align: center;
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-lg);
}

.price-card--only h3 {
    font-size: 24px;
}

.price-card--only .price-desc {
    margin-top: 8px;
}

.price-card--only .price-value {
    justify-content: center;
    margin: 26px 0 8px;
}

.price-card--only .price-value b {
    font-size: 60px;
    color: var(--primary);
}

.price-card--only .price-value i {
    font-size: 22px;
    color: var(--primary);
}

.price-per {
    display: inline-block;
    margin-top: 12px;
    padding: 6px 16px;
    border-radius: 999px;
    background: #fff7ed;
    border: 1px solid #fed7aa;
    color: #c2410c;
    font-size: 14px;
}

.price-per b {
    font-size: 16px;
}

.price-origin del {
    color: #94a3b8;
}

.price-features--two {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0 18px;
    text-align: left;
    margin: 30px 0 30px;
    padding-top: 26px;
    border-top: 1px dashed var(--line);
}

.price-guarantee {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 26px;
    margin: 0 0 26px;
    padding: 16px 12px;
    border-radius: 14px;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
}

.price-guarantee li {
    position: relative;
    padding-left: 24px;
    font-size: 14px;
    font-weight: 600;
    color: #15803d;
}

.price-guarantee li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 13px;
    height: 7px;
    border-left: 2px solid #16a34a;
    border-bottom: 2px solid #16a34a;
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
}

.price-tip {
    margin-top: 14px;
    font-size: 12.5px;
    color: #94a3b8;
}

/* ------------------- CTA ------------------- */
.cta {
    padding: 84px 0;
}

.cta-inner {
    border-radius: 26px;
    padding: 62px 56px;
    background: linear-gradient(135deg, #1e40af 0%, #4f46e5 55%, #06b6d4 130%);
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-inner::before,
.cta-inner::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, .1);
}

.cta-inner::before {
    width: 320px;
    height: 320px;
    left: -110px;
    bottom: -170px;
}

.cta-inner::after {
    width: 240px;
    height: 240px;
    right: -80px;
    top: -130px;
}

.cta-inner h2 {
    position: relative;
    font-size: 34px;
    font-weight: 800;
    letter-spacing: -.6px;
}

.cta-inner p {
    position: relative;
    margin: 16px auto 0;
    max-width: 620px;
    font-size: 16px;
    opacity: .9;
}

.cta-actions {
    position: relative;
    margin-top: 34px;
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

.cta-contact {
    position: relative;
    margin-top: 30px;
    font-size: 14px;
    opacity: .88;
}

.cta-contact b {
    font-weight: 700;
}

/* ------------------- contact ------------------- */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.contact-card {
    padding: 32px 28px;
    border-radius: var(--radius);
    background: #fff;
    border: 1px solid var(--line);
    text-align: center;
}

.contact-card .ci {
    width: 54px;
    height: 54px;
    margin: 0 auto 16px;
    border-radius: 14px;
    background: var(--primary-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.contact-card img.qr {
    width: 128px;
    margin: 0 auto 12px;
    border-radius: 10px;
    border: 1px solid var(--line);
}

.contact-card h3 {
    font-size: 17px;
    font-weight: 700;
}

.contact-card .cd {
    margin-top: 6px;
    font-size: 13px;
    color: var(--muted);
}

.contact-card .cn {
    margin-top: 10px;
    font-size: 22px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -.3px;
}

/* ------------------- footer ------------------- */
.site-footer {
    background: #0b1220;
    color: #94a3b8;
    padding: 62px 0 28px;
    font-size: 14px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.6fr repeat(4, 1fr);
    gap: 32px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.footer-brand img {
    height: 32px;
    margin-bottom: 16px;
    filter: brightness(0) invert(1);
    opacity: .9;
}

.footer-brand p {
    max-width: 300px;
    line-height: 1.9;
    font-size: 13.5px;
}

.footer-col h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    padding: 5px 0;
    font-size: 13.5px;
}

.footer-col a:hover {
    color: #fff;
}

.footer-bottom {
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 12.5px;
    color: #64748b;
}

.footer-bottom a {
    color: #64748b;
}

.footer-bottom a:hover {
    color: #cbd5e1;
}

.footer-bottom .beian {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.footer-bottom .beian img {
    width: 16px;
    vertical-align: middle;
}

/* ------------------- floating contact ------------------- */
.fr-contact {
    position: fixed;
    right: 16px;
    top: 50%;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%);
    z-index: 900;
}

.fr-contact li {
    position: relative;
    margin-bottom: 10px;
}

.fr-contact .inner {
    width: 58px;
    height: 58px;
    border-radius: 14px;
    background: #fff;
    border: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    cursor: pointer;
    font-size: 11px;
    color: var(--muted);
    -webkit-transition: all .22s;
    transition: all .22s;
}

.fr-contact .inner:hover {
    color: var(--primary);
    border-color: #bcd0f5;
}

.fr-contact .inner > img {
    width: 22px;
    height: 22px;
    object-fit: contain;
    /* 图标 PNG 为白色透明底，压黑后在白色卡片上可见 */
    -webkit-filter: brightness(0);
    filter: brightness(0);
}

.fr-contact .contact_content {
    position: absolute;
    right: 70px;
    top: 50%;
    -webkit-transform: translateY(-50%) scale(.96);
    transform: translateY(-50%) scale(.96);
    transform-origin: right center;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 14px 16px;
    white-space: nowrap;
    font-size: 13px;
    color: #334155;
    opacity: 0;
    visibility: hidden;
    -webkit-transition: all .22s;
    transition: all .22s;
}

.fr-contact li:hover .contact_content {
    opacity: 1;
    visibility: visible;
    -webkit-transform: translateY(-50%) scale(1);
    transform: translateY(-50%) scale(1);
}

.fr-contact .contact_content img {
    /* 弹层为绝对定位收缩包裹，百分比 max-width 会与父级宽度循环依赖被解析为 0，
       必须显式解除并给出固定宽度，否则二维码渲染为 0x0 */
    width: 132px;
    height: auto;
    max-width: none;
    margin: 4px auto 0;
    border-radius: 8px;
}

/* ------------------- reveal animation ------------------- */
.reveal {
    opacity: 0;
    -webkit-transform: translateY(26px);
    transform: translateY(26px);
    -webkit-transition: opacity .7s cubic-bezier(.22, .61, .36, 1), transform .7s cubic-bezier(.22, .61, .36, 1);
    transition: opacity .7s cubic-bezier(.22, .61, .36, 1), transform .7s cubic-bezier(.22, .61, .36, 1);
}

.reveal.in {
    opacity: 1;
    -webkit-transform: none;
    transform: none;
}

/* ------------------- responsive ------------------- */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
    }

    .hero h1 {
        font-size: 46px;
    }

    .feature-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .float-card--pay {
        left: -20px;
    }
}

@media (max-width: 1024px) {
    .main-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 1px solid var(--line);
        box-shadow: 0 12px 24px rgba(15, 23, 42, .08);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 12px 24px 20px;
        display: none;
    }

    .main-nav.open {
        display: flex;
    }

    .main-nav a {
        padding: 13px 6px;
        border-bottom: 1px solid #f1f5f9;
        border-radius: 0;
        font-size: 16px;
    }

    .nav-toggle {
        display: flex;
    }

    .header-inner {
        gap: 16px;
    }

    .hero {
        padding: 124px 0 72px;
    }

    .hero-inner {
        flex-direction: column;
        gap: 48px;
    }

    .hero-copy {
        flex: 1 1 auto;
    }

    .hero-visual {
        flex: 1 1 auto;
        width: 100%;
        max-width: 520px;
        margin: 0 auto;
    }

    .float-card--pay {
        left: 0;
    }

    .float-card--order {
        right: 0;
    }

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

    .adv-grid,
    .case-grid,
    .testi-grid,
    .price-grid,
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .solution-panel-inner {
        flex-direction: column;
    }

    .solution-metrics {
        flex: 0 0 auto;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 24px 40px;
        padding: 28px 40px;
    }

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

    .section {
        padding: 72px 0;
    }

    .sec-head h2 {
        font-size: 30px;
    }
}

@media (max-width: 768px) {
    .fr-contact {
        display: none;
    }

    .hero {
        padding: 108px 0 56px;
    }

    .hero h1 {
        font-size: 34px;
        letter-spacing: -.6px;
    }

    .hero-desc {
        font-size: 15.5px;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px 12px;
    }

    .hero-actions .btn {
        flex: 1 1 100%;
    }

    .feature-grid,
    .adv-grid,
    .case-grid,
    .testi-grid,
    .price-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .price-card--only {
        padding: 42px 24px 32px;
    }

    .price-card--only .price-value b {
        font-size: 48px;
    }

    .price-features--two {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .price-guarantee {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .solution-copy {
        padding: 30px 24px;
    }

    .solution-copy .sol-list {
        grid-template-columns: 1fr;
    }

    .solution-metrics {
        padding: 24px;
        gap: 18px 28px;
    }

    .cta-inner {
        padding: 44px 24px;
        border-radius: 20px;
    }

    .cta-inner h2 {
        font-size: 26px;
    }

    .section {
        padding: 60px 0;
    }

    .sec-head {
        margin-bottom: 40px;
    }

    .sec-head h2 {
        font-size: 26px;
    }

    .trust-inner {
        gap: 10px 24px;
    }

    .trust-inner span {
        font-size: 13px;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 26px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 14.5px;
    }

    .container {
        padding: 0 16px;
    }

    .hero h1 {
        font-size: 29px;
    }

    .btn-lg {
        height: 48px;
        font-size: 15px;
    }

    .solution-tabs button {
        height: 40px;
        padding: 0 18px;
        font-size: 14px;
    }

    .price-value b {
        font-size: 34px;
    }

    .float-card {
        padding: 10px 12px;
    }

    .float-card--member {
        display: none;
    }
}

/* ==========================================================================
   优化补丁层（v2.1.0）
   1) 设计 token：间距 / 字号 / 层级，收敛散落的魔法数字
   2) SVG 图标系统：替代 emoji，跨端渲染一致、可继承颜色
   3) 状态反馈：滚动进度、导航高亮、移动端转化条、返回顶部
   4) FAQ 模块
   5) 动效：hero 图表入场、浮卡漂浮、prefers-reduced-motion 降级
   6) 栅格修正：消除 3 列 / 2 列下的孤行
   7) 可用性：焦点可见、等宽数字、移动端头部溢出
   ========================================================================== */

:root {
    /* 间距 scale（4 的倍数，替代 22/26/28/30/34/44 等随手值） */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --space-7: 48px;
    --space-8: 64px;
    --space-9: 96px;

    /* 字号 scale（1.25 倍数，替代 18 个近似字号） */
    --fs-xs: 12px;
    --fs-sm: 13px;
    --fs-base: 15px;
    --fs-md: 16px;
    --fs-lg: 18px;
    --fs-xl: 22px;
    --fs-2xl: 28px;
    --fs-3xl: 36px;
    --fs-4xl: 52px;

    --z-backtop: 950;
}

/* ------------------- 2) SVG 图标系统 ------------------- */
.svg-sprite {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

.ico {
    display: block;
    width: 1em;
    height: 1em;
    flex: 0 0 auto;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.ico-arrow {
    width: 15px;
    height: 15px;
    stroke-width: 2.2;
}

/* 图标容器与尺寸：feature / adv / contact / 悬浮咨询 */
.feature-icon .ico {
    width: 26px;
    height: 26px;
}

.adv-card h3 i {
    font-style: normal;
    font-size: inherit;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-soft);
    color: var(--primary);
}

.adv-card h3 i .ico {
    width: 19px;
    height: 19px;
}

.contact-card .ci .ico {
    width: 26px;
    height: 26px;
    color: var(--primary);
}

.fr-contact .inner > .ico {
    width: 22px;
    height: 22px;
    color: inherit;
}

/* 功能卡图标配色：同一套「浅底 + 彩色描边」语言，
   用 8 个可区分但同明度的色相帮助横向扫读 */
.feature-icon,
.feature-icon.c1 {
    background: #eff6ff;
    color: #2563eb;
}

.feature-icon.c2 {
    background: #eef2ff;
    color: #4f46e5;
}

.feature-icon.c3 {
    background: #ecfeff;
    color: #0e7490;
}

.feature-icon.c4 {
    background: #fff7ed;
    color: #ea580c;
}

.feature-icon.c5 {
    background: #f0fdf4;
    color: #15803d;
}

.feature-icon.c6 {
    background: #fdf2f8;
    color: #be185d;
}

.feature-icon.c7 {
    background: #f5f3ff;
    color: #6d28d9;
}

.feature-icon.c8 {
    background: #fefce8;
    color: #a16207;
}

/* 优势卡：用可验证的事实标签替代无数据含义的「进度条」 */
.adv-meta {
    margin-top: var(--space-5);
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.adv-meta span {
    font-size: var(--fs-xs);
    color: #334155;
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 3px 10px;
}

/* ------------------- 3) 状态反馈 ------------------- */
.scroll-progress {
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 0;
    height: 2px;
    border-radius: 0 2px 2px 0;
    background: linear-gradient(90deg, #2563eb, #4f46e5, #06b6d4);
    -webkit-transition: width .12s linear;
    transition: width .12s linear;
}

.main-nav a.is-active {
    color: var(--primary);
    background: var(--primary-soft);
    font-weight: 600;
}

.main-nav a.is-active::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 1px;
    width: 16px;
    height: 2px;
    margin-left: -8px;
    border-radius: 2px;
    background: linear-gradient(90deg, #2563eb, #4f46e5);
}

.header-user {
    max-width: 140px;
    overflow: hidden;
}

.header-logout {
    padding: 0 var(--space-1);
    font-size: var(--fs-sm);
    color: var(--muted);
}

.header-logout:hover {
    color: var(--primary);
}

/* 移动端底部转化条：滚动过首屏后出现 */
.mobile-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 900;
    display: none;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
    background: rgba(255, 255, 255, .94);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    backdrop-filter: saturate(180%) blur(14px);
    border-top: 1px solid var(--line);
    box-shadow: 0 -6px 24px rgba(15, 23, 42, .08);
    -webkit-transform: translateY(110%);
    transform: translateY(110%);
    -webkit-transition: transform .3s ease;
    transition: transform .3s ease;
}

.mobile-cta.is-show {
    -webkit-transform: none;
    transform: none;
}

.mobile-cta__phone {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1px;
    padding: 0 var(--space-3);
    height: 44px;
    font-size: 11px;
    color: var(--muted);
}

.mobile-cta__phone .ico {
    width: 18px;
    height: 18px;
    color: var(--primary);
}

.mobile-cta__buy {
    flex: 1 1 auto;
    height: 44px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-base);
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #2563eb, #4f46e5);
    box-shadow: 0 8px 20px rgba(37, 99, 235, .28);
}

.to-top {
    position: fixed;
    right: 18px;
    bottom: 30px;
    z-index: var(--z-backtop);
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 22px rgba(15, 23, 42, .12);
    opacity: 0;
    visibility: hidden;
    -webkit-transform: translateY(10px);
    transform: translateY(10px);
    -webkit-transition: opacity .26s, transform .26s, visibility .26s, border-color .2s, background .2s;
    transition: opacity .26s, transform .26s, visibility .26s, border-color .2s, background .2s;
}

.to-top .ico {
    width: 20px;
    height: 20px;
    stroke-width: 2.2;
}

.to-top.is-show {
    opacity: 1;
    visibility: visible;
    -webkit-transform: none;
    transform: none;
}

.to-top:hover {
    border-color: var(--primary);
    background: var(--primary-soft);
}

/* 信任背书行：补上语义标签，避免 6 个灰色词块无所指 */
.trust-label {
    font-size: var(--fs-sm);
    font-weight: 500;
    color: #b6c2d4;
    letter-spacing: 0;
}

.hero-note-tel {
    color: var(--primary);
    font-weight: 600;
}

.btn-outline-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, .5);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, .12);
    border-color: #fff;
    color: #fff;
}

.contact-card .cn a {
    color: inherit;
}

.contact-card .cn a:hover {
    text-decoration: underline;
}

/* ------------------- 4) FAQ ------------------- */
.faq-list {
    max-width: 880px;
    margin: 0 auto;
    display: grid;
    gap: var(--space-3);
}

.faq-item {
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fff;
    overflow: hidden;
    -webkit-transition: border-color .24s, box-shadow .24s;
    transition: border-color .24s, box-shadow .24s;
}

.faq-item[open] {
    border-color: #bcd0f5;
    box-shadow: var(--shadow-sm);
}

.faq-item summary {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 18px 22px;
    font-size: var(--fs-md);
    font-weight: 600;
    color: #0f172a;
    cursor: pointer;
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "";
    margin-left: auto;
    flex: 0 0 auto;
    width: 9px;
    height: 9px;
    border-right: 2px solid var(--primary);
    border-bottom: 2px solid var(--primary);
    -webkit-transform: rotate(45deg) translate(-2px, -2px);
    transform: rotate(45deg) translate(-2px, -2px);
    -webkit-transition: transform .24s;
    transition: transform .24s;
}

.faq-item[open] summary::after {
    -webkit-transform: rotate(-135deg) translate(-2px, -2px);
    transform: rotate(-135deg) translate(-2px, -2px);
}

.faq-a {
    padding: 0 22px 20px;
    font-size: 14.5px;
    line-height: 1.9;
    color: var(--muted);
}

/* ------------------- 5) 动效 ------------------- */
.mock-chart i {
    -webkit-transform-origin: bottom center;
    transform-origin: bottom center;
    -webkit-animation: barGrow .9s cubic-bezier(.22, .61, .36, 1) both;
    animation: barGrow .9s cubic-bezier(.22, .61, .36, 1) both;
}

.mock-chart i:nth-child(1) {
    -webkit-animation-delay: .05s;
    animation-delay: .05s;
}

.mock-chart i:nth-child(2) {
    -webkit-animation-delay: .12s;
    animation-delay: .12s;
}

.mock-chart i:nth-child(3) {
    -webkit-animation-delay: .19s;
    animation-delay: .19s;
}

.mock-chart i:nth-child(4) {
    -webkit-animation-delay: .26s;
    animation-delay: .26s;
}

.mock-chart i:nth-child(5) {
    -webkit-animation-delay: .33s;
    animation-delay: .33s;
}

.mock-chart i:nth-child(6) {
    -webkit-animation-delay: .4s;
    animation-delay: .4s;
}

.mock-chart i:nth-child(7) {
    -webkit-animation-delay: .47s;
    animation-delay: .47s;
}

.mock-chart i:nth-child(8) {
    -webkit-animation-delay: .54s;
    animation-delay: .54s;
}

@-webkit-keyframes barGrow {
    from {
        -webkit-transform: scaleY(0);
        transform: scaleY(0);
    }

    to {
        -webkit-transform: scaleY(1);
        transform: scaleY(1);
    }
}

@keyframes barGrow {
    from {
        transform: scaleY(0);
    }

    to {
        transform: scaleY(1);
    }
}

@media (min-width: 1025px) {
    .float-card {
        -webkit-animation: floatY 5.5s ease-in-out infinite;
        animation: floatY 5.5s ease-in-out infinite;
    }

    .float-card--order {
        -webkit-animation-delay: 1.1s;
        animation-delay: 1.1s;
    }

    .float-card--member {
        -webkit-animation-delay: 2.2s;
        animation-delay: 2.2s;
    }
}

@-webkit-keyframes floatY {
    0%, 100% {
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }

    50% {
        -webkit-transform: translateY(-9px);
        transform: translateY(-9px);
    }
}

@keyframes floatY {
    0%, 100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-9px);
    }
}

/* 尊重系统「减少动效」偏好：关掉所有非必要动画 */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .reveal {
        opacity: 1 !important;
        -webkit-transform: none !important;
        transform: none !important;
        -webkit-transition: none !important;
        transition: none !important;
    }

    .mock-chart i,
    .float-card,
    .solution-panel.active {
        -webkit-animation: none !important;
        animation: none !important;
    }

    .feature-card,
    .adv-card,
    .case-card,
    .testi-card,
    .price-card,
    .to-top,
    .mobile-cta,
    .fr-contact .inner,
    .fr-contact .contact_content {
        -webkit-transition: none !important;
        transition: none !important;
    }

    .feature-card:hover,
    .adv-card:hover,
    .case-card:hover,
    .price-card:hover,
    .btn-primary:hover,
    .btn-outline:hover,
    .btn-white:hover {
        -webkit-transform: none;
        transform: none;
    }
}

/* ------------------- 6) 栅格修正 ------------------- */
/* 8 张功能卡：4 列刚好两行；降到 3 列会留下 2 张孤行，因此 4 列直降到 1024 再切 2 列 */
@media (min-width: 1025px) and (max-width: 1200px) {
    .feature-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 18px;
    }

    .feature-card {
        padding: 26px 20px 24px;
    }

    .feature-card h3 {
        font-size: 16.5px;
    }
}

/* 行业方案面板切换时高度变化会引起页面跳动，桌面端锁定最小高度 */
@media (min-width: 1025px) {
    .solution-panel.active {
        min-height: 320px;
    }
}

/* 3 个一组的卡片在 2 列布局下最后一张独占整行，避免"半个孤行" */
@media (min-width: 769px) and (max-width: 1024px) {
    .case-grid > :last-child,
    .testi-grid > :last-child,
    .contact-grid > :last-child {
        grid-column: 1 / -1;
    }

    /* 页脚 5 栏在 2 列下品牌区独占整行，避免错位 */
    .footer-top .footer-brand {
        grid-column: 1 / -1;
    }

    .main-nav a.is-active::after {
        display: none;
    }
}

/* ------------------- 7) 可用性 ------------------- */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* 数字类信息使用等宽数字，避免价格 / 指标滚动跳动与列不对齐 */
.hero-stats b,
.price-value b,
.case-result b,
.solution-metrics .m-item b,
.mock-kpi b,
.float-card b,
.contact-card .cn {
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum" 1;
}

/* 移动端头部：收紧尺寸，避免「logo + 两个按钮 + 汉堡」在窄屏溢出 */
@media (max-width: 560px) {
    .header-inner {
        gap: var(--space-2);
    }

    .brand img {
        height: 28px;
    }

    .header-actions {
        gap: 6px;
    }

    .header-actions .btn {
        height: 34px;
        padding: 0 12px;
        font-size: var(--fs-sm);
    }

    .header-user {
        max-width: 72px;
    }

    .nav-toggle {
        width: 36px;
        height: 36px;
        padding: 9px 8px;
    }

    .faq-item summary {
        padding: 15px 16px;
        font-size: var(--fs-base);
    }

    .faq-a {
        padding: 0 16px 16px;
    }
}

@media (max-width: 768px) {
    .mobile-cta {
        display: flex;
    }

    body.has-mobile-cta {
        padding-bottom: 68px;
    }

    .to-top {
        right: 12px;
        bottom: 82px;
    }
}

/* ==========================================================================
   优化补丁层（v2.2.0）：产品实景 / 能力清单 / 资质保障 + 种子商家招募
   说明：没有真实客户与截图时，用「界面示意 + 完整能力清单 + 诚实披露」替代
        「虚构客户案例 + 虚构客户评价」，同时避免虚假宣传风险。
   ========================================================================== */

/* ------------------- 三端产品实景 ------------------- */
.screen-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1.25fr;
    gap: 26px;
    align-items: start;
}

.screen-col {
    text-align: center;
}

.screen-col > h3 {
    margin-top: 24px;
    font-size: var(--fs-lg);
    font-weight: 700;
}

.screen-col > p {
    max-width: 320px;
    margin: 8px auto 0;
    font-size: 14px;
    line-height: 1.85;
    color: var(--muted);
}

/* 手机外框 */
.phone {
    width: 230px;
    margin: 0 auto;
    padding: 9px;
    border-radius: 30px;
    background: #0f172a;
    box-shadow: 0 20px 46px rgba(15, 23, 42, .22);
}

.phone-body {
    min-height: 378px;
    border-radius: 23px;
    overflow: hidden;
    background: var(--bg-soft);
}

.phone-top {
    padding: 26px 14px 12px;
    font-size: 12.5px;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #2563eb, #4f46e5);
}

.phone-top.alt {
    background: linear-gradient(135deg, #0f172a, #334155);
}

.phone-tabs {
    display: flex;
    gap: 6px;
    padding: 10px 12px 0;
}

.phone-tabs span {
    padding: 3px 9px;
    border-radius: 999px;
    background: #fff;
    border: 1px solid var(--line);
    font-size: 11px;
    color: var(--muted);
}

.phone-tabs span.on {
    color: #fff;
    border-color: transparent;
    background: linear-gradient(135deg, #2563eb, #4f46e5);
}

.phone-goods {
    display: grid;
    gap: 8px;
    padding: 10px 12px;
}

.pg {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 9px;
    border-radius: 12px;
    background: #fff;
    border: 1px solid #eef2f7;
}

.pg i {
    flex: 0 0 auto;
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: linear-gradient(135deg, #dbeafe, #eff6ff);
}

.pg b {
    display: block;
    font-size: 12px;
    color: #0f172a;
}

.pg small {
    display: block;
    margin-top: 2px;
    font-size: 11px;
    font-weight: 700;
    color: #ea580c;
}

.pg em {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    margin-left: auto;
    border-radius: 50%;
    background: #2563eb;
    color: #fff;
    font-style: normal;
    font-size: 13px;
    line-height: 1;
}

.phone-cart {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 12px;
    padding: 10px 12px;
    border-radius: 12px;
    background: #0f172a;
    color: #fff;
    font-size: 11.5px;
}

.phone-cart b {
    color: #fbbf24;
    font-size: 13px;
}

.phone-cart em {
    margin-left: auto;
    font-style: normal;
}

/* 商家端工作台 */
.phone-kpi {
    margin: 12px;
    padding: 14px;
    border-radius: 14px;
    color: #fff;
    background: linear-gradient(135deg, #2563eb, #4f46e5);
}

.phone-kpi small {
    display: block;
    font-size: 11px;
    opacity: .85;
}

.phone-kpi b {
    display: block;
    margin-top: 2px;
    font-size: 22px;
    font-weight: 800;
}

.phone-kpi span {
    display: block;
    margin-top: 4px;
    font-size: 11px;
    opacity: .85;
}

.phone-quick {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin: 0 12px;
}

.phone-quick div {
    padding: 12px 4px;
    border-radius: 12px;
    background: #fff;
    border: 1px solid #eef2f7;
    font-size: 10.5px;
    color: #475569;
}

.phone-quick div i {
    display: block;
    width: 22px;
    height: 22px;
    margin: 0 auto 6px;
    border-radius: 7px;
    background: var(--primary-soft);
}

.phone-bars {
    display: flex;
    align-items: flex-end;
    gap: 5px;
    height: 108px;
    margin: 12px;
    padding: 10px;
    border-radius: 12px;
    background: #fff;
    border: 1px solid #eef2f7;
}

.phone-bars span {
    flex: 1;
    border-radius: 4px 4px 0 0;
    background: linear-gradient(180deg, #93c5fd, #2563eb);
}

.phone-list {
    margin: 0 12px 12px;
}

.phone-list div {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    border-bottom: 1px dashed #eef2f7;
    font-size: 11.5px;
    color: #475569;
}

.phone-list div:last-child {
    border-bottom: 0;
}

.phone-list em {
    margin-left: auto;
    font-style: normal;
    font-weight: 700;
    color: var(--primary);
}

/* PC 后台示意（复用 .mock-bar 的窗口标题条） */
.pc {
    border-radius: 18px;
    overflow: hidden;
    background: #fff;
    border: 1px solid #eaf0f8;
    box-shadow: 0 20px 46px rgba(15, 23, 42, .14);
}

.pc-body {
    display: flex;
    min-height: 378px;
}

.pc-side {
    flex: 0 0 54px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 14px 0;
    background: #0f172a;
}

.pc-side i {
    width: 24px;
    height: 24px;
    border-radius: 8px;
    background: rgba(255, 255, 255, .14);
}

.pc-side i:first-child {
    background: linear-gradient(135deg, #2563eb, #4f46e5);
}

.pc-main {
    flex: 1 1 auto;
    min-width: 0;
    padding: 14px;
    background: var(--bg-soft);
}

.pc-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.pc-cards div {
    padding: 10px;
    border-radius: 10px;
    background: #fff;
    border: 1px solid #eef2f7;
}

.pc-cards small {
    display: block;
    font-size: 10.5px;
    color: var(--muted);
}

.pc-cards b {
    display: block;
    margin-top: 3px;
    font-size: 14px;
    color: #0f172a;
}

.pc-chart {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    height: 118px;
    margin-top: 10px;
    padding: 10px;
    border-radius: 12px;
    background: #fff;
    border: 1px solid #eef2f7;
}

.pc-chart span {
    flex: 1;
    border-radius: 5px 5px 0 0;
    background: linear-gradient(180deg, #93c5fd, #2563eb);
}

/* ------------------- 能力清单 ------------------- */
.cap-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.cap-group {
    padding: 26px 24px 24px;
    border-radius: var(--radius);
    background: #fff;
    border: 1px solid var(--line);
    -webkit-transition: border-color .28s, box-shadow .28s;
    transition: border-color .28s, box-shadow .28s;
}

.cap-group:hover {
    border-color: #bcd0f5;
    box-shadow: var(--shadow-sm);
}

.cap-group h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 14px;
    border-bottom: 1px dashed var(--line);
    font-size: var(--fs-md);
    font-weight: 700;
}

.cap-group h3 span {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 9px;
    background: var(--primary-soft);
    color: var(--primary);
}

.cap-group h3 span .ico {
    width: 17px;
    height: 17px;
}

.cap-group h3 em {
    margin-left: auto;
    font-style: normal;
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--muted);
}

.cap-group ul {
    margin-top: 12px;
    display: grid;
    gap: 1px;
}

.cap-group li {
    position: relative;
    padding: 5px 0 5px 20px;
    font-size: 13.5px;
    color: #334155;
}

.cap-group li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 12px;
    width: 10px;
    height: 6px;
    border-left: 2px solid var(--primary);
    border-bottom: 2px solid var(--primary);
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
}

/* ------------------- 资质保障 ------------------- */
.qual-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-bottom: 26px;
}

.qual-item {
    padding: 22px 20px;
    border-radius: var(--radius);
    background: #fff;
    border: 1px solid var(--line);
}

.qual-item .ico {
    width: 24px;
    height: 24px;
    margin-bottom: 12px;
    color: var(--primary);
}

.qual-item b {
    display: block;
    font-size: 15px;
    color: #0f172a;
}

.qual-item span {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    line-height: 1.75;
    color: var(--muted);
}

.qual-item a {
    display: inline-block;
    margin-top: 8px;
    font-size: 12.5px;
    color: var(--primary);
}

.qual-item a:hover {
    text-decoration: underline;
}

/* ------------------- 种子商家招募 ------------------- */
.seed-box {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    border-radius: 22px;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.seed-copy {
    padding: 38px 36px;
}

.seed-badge {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 999px;
    font-size: var(--fs-xs);
    font-weight: 700;
    color: #c2410c;
    background: #fff7ed;
    border: 1px solid #fed7aa;
}

.seed-copy h3 {
    margin-top: 16px;
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -.4px;
}

.seed-copy > p {
    margin-top: 12px;
    font-size: 14.5px;
    line-height: 1.9;
    color: var(--muted);
}

.seed-list {
    margin-top: 18px;
    display: grid;
    gap: 9px;
}

.seed-list li {
    position: relative;
    padding-left: 22px;
    font-size: 14px;
    color: #334155;
}

.seed-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 12px;
    height: 7px;
    border-left: 2px solid #22c55e;
    border-bottom: 2px solid #22c55e;
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
}

.seed-actions {
    margin-top: 26px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.seed-note {
    margin-top: 16px;
    font-size: 12.5px;
    line-height: 1.8;
    color: #94a3b8;
}

.seed-aside {
    padding: 38px 32px;
    color: #fff;
    background: linear-gradient(160deg, #1e40af, #4f46e5);
}

.seed-aside h4 {
    font-size: 17px;
    font-weight: 700;
}

.seed-aside ul {
    margin-top: 16px;
    display: grid;
    gap: 12px;
}

.seed-aside li {
    position: relative;
    padding-left: 18px;
    font-size: 13.5px;
    line-height: 1.85;
    opacity: .94;
}

.seed-aside li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .7);
}

.sa-foot {
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, .18);
    font-size: 12.5px;
    line-height: 1.85;
    opacity: .82;
}

/* ------------------- 新模块响应式 ------------------- */
@media (max-width: 1024px) {
    .screen-grid {
        grid-template-columns: 1fr;
        gap: 44px;
        justify-items: center;
    }

    .screen-col {
        width: 100%;
        max-width: 460px;
    }

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

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

    .seed-box {
        grid-template-columns: 1fr;
    }

    .seed-copy,
    .seed-aside {
        padding: 32px 26px;
    }
}

@media (max-width: 768px) {
    .cap-grid,
    .qual-grid {
        grid-template-columns: 1fr;
    }

    .seed-copy h3 {
        font-size: 22px;
    }

    .seed-actions .btn {
        flex: 1 1 100%;
    }

    .pc-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 480px) {
    .phone {
        width: 100%;
        max-width: 230px;
    }

    .phone-body,
    .pc-body {
        min-height: 340px;
    }

    .cap-group {
        padding: 22px 18px 20px;
    }
}

/* ==========================================================================
   优化补丁层（v2.3.0）：行业方案侧栏
   原先放的是「↑62% 转化率」「↓70% 失误率」等无法追溯的效果数据，
   与「不写无法追溯的效果承诺」的口径冲突，现改为可验证的能力要点，
   因此需要把原来的大号数字排版改成短语排版。
   ========================================================================== */
.solution-metrics {
    gap: 22px;
}

.solution-metrics .m-item b {
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1.55;
}

.solution-metrics .m-item span {
    display: block;
    margin-top: 4px;
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .solution-metrics {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
        padding: 26px 28px;
    }
}

@media (max-width: 768px) {
    .solution-metrics {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 22px 20px;
    }
}