/* CodaERP 官网首页预览 V2 —— 对齐 20260908 原型视觉；全 hv2- 前缀，避免与 Bootstrap/现网冲突 */
* {
    box-sizing: border-box;
}

:root {
    --hv2-primary: #1a86f0;
    --hv2-primary-deep: #0d6fd1;
    --hv2-primary-soft: #eaf4ff;
    --hv2-ink: #0f2440;
    --hv2-text: #46586e;
    --hv2-muted: #7b8ca1;
    --hv2-line: #e6eef7;
    --hv2-section: #f6faff;
    --hv2-footer: #0e2c52;
    --hv2-radius: 16px;
    --hv2-shadow-sm: 0 10px 30px rgba(28, 74, 122, .07);
    --hv2-shadow-md: 0 24px 60px rgba(24, 68, 116, .14);
}

html {
    scroll-behavior: smooth;
}

.home-v2-body {
    margin: 0;
    background: #fff;
    color: var(--hv2-text);
    font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

.home-v2-body a {
    text-decoration: none;
    color: inherit;
}

.home-v2-body ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.home-v2-body h1,
.home-v2-body h2,
.home-v2-body h3,
.home-v2-body h4 {
    margin: 0;
    color: var(--hv2-ink);
}

/* 容器 1300 */

.hv2-wrap {
    width: 100%;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 顶栏：透明，与首屏同背景 */
.hv2-hd {
    position: relative;
    z-index: 90;
    background: transparent;
    border-bottom: 0;
    backdrop-filter: none;
}

.hv2-hd-row {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 80px;
    border-bottom: 1px solid #dde6ee;
}

.hv2-hd-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    z-index: 1;
}

.hv2-hd-logo img {
    display: block;
    width: 150px;
}

.hv2-hd-logo-mark {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, #3ca0ff, #1272dd);
    color: #fff;
    font-weight: 800;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hv2-hd-nav {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(28px, 4vw, 56px);
}

.hv2-hd-nav a {
    position: relative;
    padding: 0 0 8px;
    font-size: 16px;
    font-weight: 600;
    color: #55687f;
    transition: color .2s;
}

.hv2-hd-nav a:hover,
.hv2-hd-nav a.is-on {
    color: var(--hv2-primary);
}

.hv2-hd-nav a.is-on::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 3px;
    border-radius: 3px 3px 0 0;
    background: var(--hv2-primary);
}

.hv2-hd-menu {
    display: none;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    border-radius: 12px;
    background: var(--hv2-primary-soft);
    color: var(--hv2-ink);
    font-size: 22px;
    cursor: pointer;
    z-index: 1;
}

/* 通用按钮 */
.hv2-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 56px;
    padding: 14px 32px;
    border: 1px solid transparent;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform .2s, box-shadow .2s, background .2s, color .2s, border-color .2s;
}

.hv2-btn:hover {
    transform: translateY(-2px);
}

.hv2-btn-primary,
.home-v2-body a.hv2-btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #3ca0ff, #1272dd);
}

.hv2-btn-ghost {
    color: #1a7be4;
    background: #fff;
    border-color: #1777e1;
}

.hv2-btn-ghost:hover {
    border-color: #a9cef2;
    color: var(--hv2-primary-deep);
}

.hv2-btn-line-light {
    color: #fff;
    background: rgba(255, 255, 255, .1);
    border-color: rgba(255, 255, 255, .75);
}

.hv2-btn-sm {
    min-height: 40px;
    padding: 0px 60px;
    font-size: 15px;
    border-radius: 5px;
}

/* 占位素材 */
.hv2-ph {
    position: relative;
    overflow: hidden;
    border-radius: 14px;
    background: #eef3f9;
    border: 1px solid #dde7f1;
    display: flex;
    align-items: flex-end;
}

.hv2-ph::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 34px;
    background: #e2eaf3;
    box-shadow: inset 0 -1px 0 #d3dfeb;
}

.hv2-ph::after {
    content: "";
    position: absolute;
    left: 16px;
    top: 13px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #c3d1e0;
    box-shadow: 14px 0 0 #c3d1e0, 28px 0 0 #c3d1e0;
}

.hv2-ph-inner {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: 48px 18px 18px;
    display: flex;
    gap: 12px;
    align-items: flex-end;
    height: 100%;
}

.hv2-ph.has-shot::before,
.hv2-ph.has-shot::after {
    display: none;
}

.hv2-ph.has-shot .hv2-ph-inner {
    padding: 0;
    display: block;
    overflow: hidden;
}

.hv2-ph.has-shot .hv2-ph-shot {
    display: block;
    width: 100%;
    height: auto;
    border: 8px solid #fefefe;
}

.hv2-ph-side {
    width: 22%;
    align-self: stretch;
    border-radius: 8px;
    background: #e3ebf4;
}

.hv2-ph-bars {
    flex: 1;
    display: flex;
    align-items: flex-end;
    gap: 10px;
    height: 100%;
}

.hv2-ph-bars i {
    flex: 1;
    border-radius: 5px 5px 0 0;
    background: linear-gradient(180deg, #9fcbf5, #cfe3f8);
}

.hv2-ph-tag {
    position: absolute;
    right: 14px;
    top: 46px;
    z-index: 2;
    padding: 3px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .86);
    color: #8fa1b5;
    font-size: 11px;
    letter-spacing: .5px;
}

.hv2-ph-phone {
    position: relative;
    overflow: hidden;
    border: 8px solid #fff;
    border-radius: 30px;
    background: linear-gradient(180deg, #eaf4ff, #f7fbff);
    box-shadow: var(--hv2-shadow-md);
}

.hv2-ph-phone::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 10px;
    transform: translateX(-50%);
    width: 46px;
    height: 6px;
    border-radius: 99px;
    background: #d5e3f1;
}

.hv2-ph-phone-body {
    padding: 34px 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    height: 100%;
}

.hv2-ph-phone-body .dot {
    height: 74px;
    border-radius: 50%;
    width: 74px;
    margin: 6px auto 4px;
    background: linear-gradient(135deg, #7fbcf5, #b9dbfa);
}

.hv2-ph-phone-body .ln {
    height: 10px;
    border-radius: 6px;
    background: #dfeaf5;
}

.hv2-ph-phone-body .ln.s {
    width: 60%;
}

.hv2-ph-phone-body .grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 4px;
}

.hv2-ph-phone-body .grid i {
    height: 34px;
    border-radius: 8px;
    background: #e6eff8;
}

.hv2-ph-qr {
    display: block;
    width: 168px;
    height: 168px;
    border-radius: 12px;
    border: 1px solid #dde7f1;
    background: #fff;
    object-fit: contain;
}

/* Hero：含顶栏，共享背景 */
.hv2-hero {
    position: relative;
    overflow: hidden;
    padding: 0 0 96px;
    background:
        radial-gradient(900px 420px at 78% 22%, rgb(20 110 195 / 16%), transparent 70%),
        linear-gradient(160deg, #f7fbff 0%, #ffffff 52%, #e3efff 100%);
}

.hv2-hero::before {
    content: "";
    position: absolute;
    top: -220px;
    right: -180px;
    width: 560px;
    height: 560px;
    border-radius: 50%;
    border: 90px solid rgba(255, 255, 255, .32);
    pointer-events: none;
}

.hv2-hero .hv2-wrap,
.hv2-hero .hv2-hd {
    position: relative;
    z-index: 1;
}

.hv2-hero-main {
    padding-top: 72px;
}

.hv2-hero-grid {
    display: grid;
    grid-template-columns: 1.02fr .98fr;
    gap: 56px;
    align-items: center;
}

.hv2-hero h1 {
    font-size: 65px;
    font-weight: 800;
    line-height: 1.16;
    letter-spacing: -1.4px;
    margin-bottom: 18px;
}

.hv2-hero h1 em {
    font-style: normal;
    color: var(--hv2-primary);
}

.hv2-hero-sub {
    margin: 0 0 20px;
    color: #33475f;
    font-size: clamp(20px, 2vw, 26px);
    font-weight: 600;
    line-height: 1.5;
}

.hv2-hero-desc {
    margin: 0 0 40px;
    max-width: 560px;
    font-size: 18px;
    line-height: 1.95;
    color: var(--hv2-muted);
}

.hv2-hero-acts {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 12px;
}

.hv2-hero-visual {
    position: relative;
    width: 650px;
    max-width: 100%;
    padding: 16px 44px 24px 0;
}

.hv2-hero-shot {
    display: block;
    width: 650px;
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 24px 48px rgba(24, 68, 116, .18));
}

.hv2-hero-phone {
    position: absolute;
    right: 0;
    bottom: -12px;
    width: 176px;
    height: 360px;
    z-index: 2;
    border-radius: 28px;
    border: 3px solid #1a2433;
    overflow: hidden;
    background: #fff;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .55);
    filter: drop-shadow(0 18px 36px rgba(20, 60, 105, .24));
}

.hv2-hero-phone-shot {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

/* 旧占位样式保留：无正式截图时可用 hv2-hero-phone-ph */
.hv2-hero-phone-ph {
    width: 176px;
    height: 360px;
    border-radius: 28px;
    border: 3px solid #1a2433;
    background: linear-gradient(160deg, #e8f3ff 0%, #f7fbff 55%, #dce9f8 100%);
    color: var(--hv2-muted);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .04em;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .55);
}

/* 四大价值：左图标 + 右标题/两行说明 */
.hv2-values {
    padding: 56px 0;
    background: #fff;
}

.hv2-values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px 28px;
}

.hv2-value {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    text-align: left;
    min-width: 0;
}

.hv2-value-ico {
    flex: 0 0 56px;
    width: 56px;
    height: 56px;
    margin: 0;
    border-radius: 50%;
    background: #e8f3ff;
    color: #1777e1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hv2-value-ico svg {
    width: 26px;
    height: 26px;
}

.hv2-value-body {
    min-width: 0;
    flex: 1;
}

.hv2-value h3 {
    margin: 0 0 6px;
    font-size: 18px;
    font-weight: 700;
    color: var(--hv2-ink);
    line-height: 1.35;
}

.hv2-value p {
    margin: 0;
    font-size: 14px;
    color: var(--hv2-muted);
    line-height: 1.65;
}

/* 区块标题 */
.hv2-sec-head {
    text-align: center;
    margin-bottom: 60px;
}

.hv2-sec-head h2 {
    font-size: clamp(30px, 3.4vw, 42px);
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -.8px;
    margin-bottom: 16px;
}

.hv2-sec-head p {
    margin: 0 auto;
    max-width: 760px;
    font-size: 17px;
    color: var(--hv2-muted);
    line-height: 1.85;
}

/* 双端方案对比标签 */
.hv2-dual-pick {
    margin: 0 0 18px;
    padding: 10px 14px;
    border-radius: 10px;
    background: #fff7e6;
    border: 1px solid #ffe1a6;
    color: #8a5a00;
    font-size: 13px;
    line-height: 1.55;
}

.hv2-dual-pick strong {
    color: #ad6800;
}

/* 双端 · 方案 A：卡片上下（现样式） */
.hv2-dual {
    padding: 72px 0 36px;
    background: var(--hv2-section);
}

.hv2-dual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.hv2-dual-card {
    background: #fff;
    border: 1px solid var(--hv2-line);
    border-radius: 24px;
    padding: 40px;
    box-shadow: var(--hv2-shadow-sm);
    display: flex;
    flex-direction: column;
}

.hv2-dual-media {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 24px;
    min-height: 240px;
    margin-bottom: 32px;
}

.hv2-dual-shot {
    display: block;
    width: 100%;
    max-width: 440px;
    height: auto;
    filter: drop-shadow(0 16px 32px rgba(24, 68, 116, .14));
}

.hv2-dual-phone {
    display: block;
    width: 168px;
    height: auto;
    filter: drop-shadow(0 14px 28px rgba(20, 60, 105, .2));
}

.hv2-dual-card h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 10px;
}

.hv2-dual-lead {
    margin: 0 0 24px;
    font-size: 16px;
    color: var(--hv2-muted);
}

.hv2-dual-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 20px;
    margin-bottom: 32px;
}

.hv2-dual-list li {
    position: relative;
    padding-left: 28px;
    font-size: 16px;
    color: #40566f;
}

.hv2-dual-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 6px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--hv2-primary-soft) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231a86f0' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center / 11px no-repeat;
}

.hv2-dual-foot {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}

.hv2-dual-qr-mini {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px 10px 10px;
    border: 1px solid var(--hv2-line);
    border-radius: 14px;
    background: #fbfdff;
    cursor: pointer;
}

.hv2-dual-qr-mini .hv2-ph-qr {
    width: 56px;
    height: 56px;
    border-radius: 8px;
}

.hv2-dual-qr-mini span {
    font-size: 14px;
    color: #48607a;
    line-height: 1.5;
}

.hv2-dual-qr-mini b {
    display: block;
    font-size: 15px;
    color: var(--hv2-ink);
}

/* 双端 · 方案 B：左右图文（设计图） */
.hv2-dual-b {
    padding: 72px 0 96px;
    background: var(--hv2-section);
}

.hv2-dual-b-grid {
    display: grid;
    grid-template-columns: 1.08fr 0.9fr;
    gap: 48px;
    align-items: center;
}

.hv2-dual-b-item {
    display: flex;
    align-items: center;
    gap: 34px;
    min-width: 0;
}

.hv2-dual-b-item:last-child {
    gap: 26px;
}

.hv2-dual-b-media {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* MacBook 样机（深色壳） */
.hv2-mock-macbook {
    width: 394px;
    flex-shrink: 0;
    filter: drop-shadow(0 18px 34px rgba(24, 68, 116, .2));
}

.hv2-mock-macbook-lid {
    position: relative;
    padding: 8px 8px 0;
    background: linear-gradient(165deg, #020202 0%, #020202 42%, #0f1317 100%);
    border-radius: 14px 14px 0 0;
    border: 1px solid #6f91ae;
    border-bottom: 0;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, .45),
        inset 0 -1px 0 rgba(40, 70, 100, .12);
}

.hv2-mock-macbook-bezel {
    position: relative;
    background: #1c2a3a;
    border-radius: 7px 7px 0 0;
    padding: 2px 2px 0;
    overflow: hidden;
}

.hv2-mock-macbook-camera {
    position: absolute;
    left: 50%;
    top: 6px;
    z-index: 2;
    width: 5px;
    height: 5px;
    margin: 0;
    transform: translateX(-50%);
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, #4a6078, #15202c 70%);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, .12);
    pointer-events: none;
}

.hv2-mock-macbook-screen {
    position: relative;
    overflow: hidden;
    border-radius: 4px 4px 0 0;
    aspect-ratio: 16 / 10.2;
    background: #fff;
    line-height: 0;
}

.hv2-dual-b-shot {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    vertical-align: top;
}

.hv2-mock-macbook-base {
    position: relative;
    height: 12px;
    margin: 0 -14px;
    background: linear-gradient(180deg, #b5b5b5 0%, #000000 52%, #000000 100%);
    border-radius: 0 0 10px 10px;
    border: 1px solid #6f91ae;
    border-top: 1px solid rgba(255, 255, 255, .35);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .28);
}

.hv2-mock-macbook-base::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    width: 18%;
    height: 5px;
    background: linear-gradient(180deg, #7c8c99, #bdc4c9);
    border-radius: 0 0 4px 4px;
}

.hv2-mock-macbook-base::after {
    content: "";
    position: absolute;
    left: 8%;
    right: 8%;
    bottom: -3px;
    height: 3px;
    background: rgba(40, 70, 100, .2);
    border-radius: 50%;
    filter: blur(2px);
}

/* iPhone 样机（色系对齐左侧 MacBook 深色壳） */
.hv2-mock-iphone {
    position: relative;
    width: 190px;
    max-width: 100%;
    filter: drop-shadow(0 16px 30px rgba(20, 60, 105, .22));
}

.hv2-mock-iphone-frame {
    position: relative;
    border-radius: 34px;
    padding: 6px;
    background: linear-gradient(165deg, #424242 0%, #393232 42%, #363839 100%);
    border: 1px solid #2a3038;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, .12),
        inset 0 -1px 0 rgba(0, 0, 0, .35);
}

.hv2-mock-iphone-screen {
    position: relative;
    overflow: hidden;
    border-radius: 26px;
    aspect-ratio: 9 / 19.4;
    background: #e8f2fc;
    line-height: 0;
}

/* 设备内轮播（默认上下；Win 笔记本加 is-horizontal / data-carousel-axis=x 为左右） */
.hv2-mock-carousel {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hv2-mock-carousel-track {
    height: 100%;
    transition: transform .55s cubic-bezier(.22, .8, .28, 1);
    will-change: transform;
}

.hv2-mock-carousel-slide {
    height: 100%;
    position: relative;
    overflow: hidden;
}

.hv2-mock-carousel.is-horizontal .hv2-mock-carousel-track {
    display: flex;
    flex-direction: row;
    width: 100%;
    height: 100%;
}

.hv2-mock-carousel.is-horizontal .hv2-mock-carousel-slide {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
}

.hv2-mock-carousel-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

.hv2-mock-carousel-dots {
    position: absolute;
    left: 50%;
    bottom: 10px;
    z-index: 4;
    display: flex;
    gap: 5px;
    transform: translateX(-50%);
    pointer-events: none;
}

.hv2-mock-carousel-dots span {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: rgba(15, 36, 64, .22);
    transition: background .25s, transform .25s;
}

.hv2-mock-carousel-dots span.on {
    background: rgba(26, 134, 240, .95);
    transform: scale(1.15);
}

.hv2-mock-iphone .hv2-mock-carousel-dots span {
    background: rgba(255, 255, 255, .45);
}

.hv2-mock-iphone .hv2-mock-carousel-dots span.on {
    background: #fff;
}

.hv2-dual-b-phone {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

.hv2-mock-iphone-ph {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 12px;
    background:
        linear-gradient(180deg, #d7e9fb 0%, #eef5fc 38%, #f7fbff 100%);
    color: #7b8ca1;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .5px;
    line-height: 1.5;
    text-align: center;
}

.hv2-mock-iphone-ph.hv2-tone-2 {
    background: linear-gradient(180deg, #cfe4fa 0%, #e8f3fc 45%, #f5faff 100%);
}

.hv2-mock-iphone-ph.hv2-tone-3 {
    background: linear-gradient(180deg, #bdd8f5 0%, #e3effb 48%, #f4f9ff 100%);
}

.hv2-mock-iphone-island {
    position: absolute;
    top: 14px;
    left: 50%;
    z-index: 5;
    width: 72px;
    height: 22px;
    transform: translateX(-50%);
    border-radius: 999px;
    background: #050608;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .06);
    pointer-events: none;
}

.hv2-mock-iphone-island::after {
    content: "";
    position: absolute;
    right: 10px;
    top: 50%;
    width: 8px;
    height: 8px;
    transform: translateY(-50%);
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, #2a3544, #0a0d12 70%);
}

.hv2-mock-iphone-btn {
    position: absolute;
    z-index: 2;
    background: linear-gradient(90deg, #1a1d22, #0a0c0f);
    border-radius: 2px;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .06);
}

.hv2-mock-iphone-btn--silent {
    left: -2px;
    top: 92px;
    width: 3px;
    height: 22px;
    border-radius: 2px 0 0 2px;
}

.hv2-mock-iphone-btn--vol-up {
    left: -2px;
    top: 132px;
    width: 3px;
    height: 36px;
    border-radius: 2px 0 0 2px;
}

.hv2-mock-iphone-btn--vol-down {
    left: -2px;
    top: 178px;
    width: 3px;
    height: 36px;
    border-radius: 2px 0 0 2px;
}

.hv2-mock-iphone-btn--power {
    right: -2px;
    top: 150px;
    width: 3px;
    height: 56px;
    border-radius: 0 2px 2px 0;
    background: linear-gradient(270deg, #1a1d22, #0a0c0f);
}

.hv2-dual-b-content {
    flex: 1;
    min-width: 0;
}

.hv2-dual-b-content h3 {
    margin: 0 0 8px;
    font-size: 22px;
    font-weight: 800;
    color: var(--hv2-ink);
}

.hv2-dual-b-lead {
    margin: 0 0 16px;
    font-size: 14px;
    color: var(--hv2-muted);
    line-height: 1.6;
}

.hv2-dual-b-list {
    margin: 0 0 22px;
    padding: 0;
    list-style: none;
}

.hv2-dual-b-list.hv2-cols-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 12px;
    row-gap: 2px;
}

.hv2-dual-b-list li {
    position: relative;
    padding: 5px 0 5px 24px;
    font-size: 15px;
    color: #40566f;
}

.hv2-dual-b-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--hv2-primary-soft) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231a86f0' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center / 10px no-repeat;
}

.hv2-dual-b-side {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.hv2-dual-b-side .hv2-dual-b-list {
    flex: 1;
    margin-bottom: 0;
}

.hv2-dual-b-qr {
    flex: 0 0 auto;
    width: 108px;
    text-align: center;
    cursor: pointer;
}

.hv2-dual-b-qr .hv2-ph-qr {
    width: 96px;
    height: 96px;
    margin: 0 auto 8px;
    border-radius: 10px;
    box-shadow: var(--hv2-shadow-sm);
    background: #fff;
    border: 1px solid var(--hv2-line);
}

.hv2-dual-b-qr span {
    display: block;
    font-size: 12px;
    line-height: 1.45;
    color: var(--hv2-muted);
}

/* 核心功能 */
.hv2-core {
    padding: 64px 0;
}

.hv2-core-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.hv2-core-card {
    background: #fff;
    border: 1px solid var(--hv2-line);
    border-radius: 20px;
    padding: 34px 32px 32px;
    box-shadow: var(--hv2-shadow-sm);
    transition: transform .2s, box-shadow .2s, border-color .2s;
}

.hv2-core-card:hover {
    transform: translateY(-5px);
    border-color: #cbe3fb;
    box-shadow: 0 26px 54px rgba(24, 68, 116, .12);
}

.hv2-core-ico {
    width: 56px;
    height: 56px;
    margin-bottom: 22px;
    border-radius: 16px;
    background: var(--hv2-primary-soft);
    color: var(--hv2-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hv2-core-card h3 {
    font-size: 21px;
    font-weight: 750;
    margin-bottom: 12px;
}

.hv2-core-card p {
    margin: 0 0 22px;
    font-size: 15px;
    line-height: 1.85;
    color: var(--hv2-muted);
}

.hv2-core-card .hv2-ph {
    width: 100%;
    aspect-ratio: 16 / 7.6;
}

/* 步骤 */
.hv2-steps {
    padding: 80px 0;
    background: var(--hv2-section);
}

.hv2-steps-row {
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.hv2-step {
    width: 19%;
    max-width: 220px;
    padding: 0 10px;
    text-align: center;
}

.hv2-step-ico {
    width: 56px;
    height: 56px;
    margin: 0 auto 26px;
    border-radius: 50%;
    background: #fff;
    color: #1a7be4;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 0 0 8px #e8f3ff,
        0 0 22px 6px rgba(122, 184, 245, .35),
        0 8px 18px rgba(26, 134, 240, .1);
}

.hv2-step-ico svg {
    width: 26px;
    height: 26px;
    stroke-width: 2.15;
}

.hv2-step h3 {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--hv2-ink);
}

.hv2-step-badge {
    flex: 0 0 auto;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--hv2-primary);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.hv2-step p {
    margin: 0;
    font-size: 13px;
    color: var(--hv2-muted);
    line-height: 1.7;
}

.hv2-step-arrow {
    padding-top: 16px;
    color: #c5d5e6;
}

/* 适配场景 */
.hv2-scenes {
    padding: 80px 0;
    background: #fff;
}

.hv2-scenes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    align-items: stretch;
}

.hv2-scene {
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: #fff;
    border: 1px solid var(--hv2-line);
    border-radius: 20px;
    padding: 32px;
    box-shadow: var(--hv2-shadow-sm);
}

.hv2-scene-ico {
    width: 56px;
    height: 56px;
    margin-bottom: 18px;
    border-radius: 16px;
    background: var(--hv2-primary-soft);
    color: var(--hv2-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex: none;
}

.hv2-scene h3 {
    font-size: 21px;
    font-weight: 750;
    margin-bottom: 8px;
}

.hv2-scene-who {
    margin: 0 0 12px;
    font-size: 14px;
    line-height: 1.6;
    color: var(--hv2-muted);
}

.hv2-scene>p:last-child {
    margin: 0;
    font-size: 15px;
    line-height: 1.85;
    color: var(--hv2-text);
}

/* 截图 + FAQ */
.hv2-bottom {
    padding: 104px 0;
    background: var(--hv2-section);
}

.hv2-bottom-grid {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 40px;
    align-items: stretch;
}

.hv2-shot {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    padding: 44px 40px;
    min-height: 380px;
    color: #fff;
    /* 现行渐变备份（改回时用）：
         background: linear-gradient(150deg, #2f74b3 0%, #143c68 58%, #0f2b4e 100%);
      */
    background:
        linear-gradient(180deg, rgba(15, 43, 78, .18) 0%, rgba(15, 43, 78, .55) 100%),
        url("../images/home-v2/faq-support-bg.jpg") center / cover no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.hv2-shot-wx {
    align-self: flex-start;
    margin-bottom: 16px;
    padding: 12px 12px 10px;
    background: #fff;
    border-radius: 12px;
    text-align: center;
}

.hv2-shot .hv2-shot-wx p {
    margin: 0 0 8px;
    color: var(--hv2-ink);
    font-size: 15px;
    font-weight: 700;
    line-height: 1.4;
}

.hv2-shot-wx img {
    display: block;
    width: min(168px, 52vw);
    height: auto;
}

.hv2-shot::before {
    /* 改回渐变时恢复：
         content: ""; position: absolute; right: -80px; top: -80px;
         width: 320px; height: 320px; border-radius: 50%;
         background: rgba(255, 255, 255, .07);
      */
    content: none;
}

.hv2-shot-cap {
    position: relative;
    z-index: 1;
}

.hv2-shot h3 {
    color: #fff;
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 12px;
}

.hv2-shot p {
    margin: 0 0 22px;
    font-size: 15px;
    color: rgba(255, 255, 255, .8);
}

.hv2-shot-qq {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 22px;
    border: 1px solid rgba(255, 255, 255, .55);
    border-radius: 8px;
    color: #fff;
    font-size: 15px;
    letter-spacing: .2px;
    background: rgba(255, 255, 255, .06);
    cursor: pointer;
    transition: background .2s, border-color .2s;
}

.hv2-shot-qq:hover {
    background: rgba(255, 255, 255, .14);
    border-color: rgba(255, 255, 255, .85);
}

.hv2-faq h2 {
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 8px;
}

.hv2-faq>p {
    margin: 0 0 26px;
    font-size: 16px;
    color: var(--hv2-muted);
}

.hv2-faq-item {
    border-bottom: 1px solid var(--hv2-line);
}

.hv2-faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 20px 0;
    cursor: pointer;
    user-select: none;
    font-size: 17px;
    font-weight: 650;
    color: #2c4359;
}

.hv2-faq-q i {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--hv2-primary-soft);
    color: var(--hv2-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-style: normal;
    font-size: 18px;
    line-height: 1;
    transition: transform .2s;
}

.hv2-faq-item.is-open .hv2-faq-q {
    color: var(--hv2-primary-deep);
}

.hv2-faq-item.is-open .hv2-faq-q i {
    transform: rotate(45deg);
}

.hv2-faq-a {
    display: none;
    padding: 0 44px 22px 0;
    font-size: 15px;
    line-height: 1.9;
    color: var(--hv2-muted);
}

.hv2-faq-item.is-open .hv2-faq-a {
    display: block;
}

/* 页脚样式见 footer-v2.css */

/* 弹层 */
.hv2-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 200;
}

.hv2-modal.is-open {
    display: block;
}

.hv2-modal-mask {
    position: absolute;
    inset: 0;
    background: rgba(9, 32, 60, .5);
    backdrop-filter: blur(3px);
}

.hv2-modal-box {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: min(92vw, 380px);
    padding: 36px 32px 32px;
    border-radius: 20px;
    background: #fff;
    text-align: center;
    box-shadow: 0 30px 70px rgba(9, 32, 60, .25);
}

.hv2-modal-box h3 {
    font-size: 22px;
    font-weight: 750;
    margin-bottom: 8px;
}

.hv2-modal-box p {
    margin: 0 0 22px;
    font-size: 14px;
    color: var(--hv2-muted);
}

.hv2-modal-box .hv2-ph-qr {
    margin: 0 auto;
}

.hv2-modal-x {
    position: absolute;
    right: 14px;
    top: 12px;
    width: 34px;
    height: 34px;
    border: 0;
    background: transparent;
    color: var(--hv2-muted);
    font-size: 26px;
    cursor: pointer;
}

/* 抽屉 */
.hv2-drawer {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 150;
}

.hv2-drawer.is-open {
    display: block;
}

.hv2-drawer-mask {
    position: absolute;
    inset: 0;
    background: rgba(9, 32, 60, .45);
}

.hv2-drawer-panel {
    position: absolute;
    right: 0;
    top: 0;
    width: min(84vw, 320px);
    height: 100%;
    background: #fff;
    padding: 20px 24px;
}

.hv2-drawer-panel a {
    display: block;
    padding: 18px 4px;
    font-size: 17px;
    font-weight: 600;
    color: var(--hv2-ink);
    border-bottom: 1px solid var(--hv2-line);
}

.hv2-drawer-x {
    border: 0;
    background: transparent;
    font-size: 28px;
    color: var(--hv2-muted);
    cursor: pointer;
    padding: 0 0 10px;
}

/* 右下角回到顶部（对齐现网，不含客服按钮） */
.index-float-btns {
    position: fixed;
    right: 32px;
    bottom: 48px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.index-float-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #fff;
    border: 1.5px solid #6366F1;
    color: #6366F1;
    font-size: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.08);
    cursor: pointer;
    transition: box-shadow 0.2s, background 0.2s, color 0.2s;
    outline: none;
    padding: 0;
}

.index-float-btn:hover {
    box-shadow: 0 6px 24px rgba(99, 102, 241, 0.18);
    background: #EEF2FF;
    color: #6366F1;
}

.index-float-btn-top {
    display: none;
    background: #fff;
    color: #6366F1;
    border: 1.5px solid #6366F1;
}

.index-float-btn-top.show {
    display: flex;
}

/* 响应式：桌面常见宽 + 手机竖屏 */
@media (max-width: 1100px) {
    .hv2-hd-nav {
        gap: 48px;
    }

    .hv2-hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hv2-hero-desc {
        max-width: none;
    }

    .hv2-hero-visual {
        width: min(650px, 100%);
        padding: 8px 38px 16px 0;
        margin: 0 auto;
    }

    .hv2-hero-phone {
        width: 156px;
        height: 318px;
    }

    .hv2-hero-phone-ph {
        width: 156px;
        height: 318px;
    }

    .hv2-dual-grid,
    .hv2-bottom-grid,
    .hv2-dual-b-grid {
        grid-template-columns: 1fr;
    }

    .hv2-dual-b-item {
        flex-direction: column;
        align-items: stretch;
        gap: 22px;
        max-width: 640px;
        margin: 0 auto;
    }

    .hv2-dual-b-item:last-child {
        gap: 22px;
    }

    .hv2-dual-b-media {
        flex: none;
        width: 100%;
    }

    .hv2-mock-macbook {
        width: min(394px, 100%);
        max-width: 100%;
        flex-shrink: 1;
    }

    .hv2-mock-macbook,
    .hv2-mock-iphone {
        margin: 0 auto;
    }

    .hv2-core-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hv2-values-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 36px 24px;
    }

    .hv2-btn-sm {
        padding: 0 36px;
    }
}

@media (max-width: 960px) {
    .hv2-proto-note {
        font-size: 12px;
        line-height: 1.55;
    }

    .hv2-hd-nav {
        display: none;
    }

    .hv2-hd-menu {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .hv2-hd-row {
        min-height: 68px;
    }

    .hv2-hero {
        padding: 0 0 60px;
    }

    .hv2-hero-main {
        padding-top: 40px;
    }

    .hv2-values {
        padding: 44px 0;
    }

    .hv2-dual,
    .hv2-dual-b,
    .hv2-core,
    .hv2-steps,
    .hv2-scenes,
    .hv2-bottom {
        padding: 64px 0;
    }

    .hv2-scenes-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .hv2-scene {
        padding: 22px 20px;
        border-radius: 16px;
    }

    .hv2-scene-head {
        display: flex;
        align-items: center;
        gap: 14px;
        margin-bottom: 10px;
    }

    .hv2-scene-ico {
        width: 48px;
        height: 48px;
        margin-bottom: 0;
    }

    .hv2-scene-ico svg {
        width: 22px;
        height: 22px;
    }

    .hv2-scene h3 {
        margin-bottom: 0;
        font-size: 18px;
    }

    .hv2-scene>p:last-child {
        font-size: 14px;
    }

    .hv2-sec-head {
        margin-bottom: 36px;
    }

    .hv2-steps-row {
        flex-wrap: wrap;
        row-gap: 36px;
        column-gap: 12px;
        justify-content: center;
    }

    .hv2-step {
        width: calc(50% - 12px);
        max-width: 220px;
    }

    .hv2-step-arrow {
        display: none;
    }

    .hv2-dual-b-list.hv2-cols-2 {
        column-gap: 10px;
    }
}

@media (max-width: 640px) {
    .home-v2-body {
        font-size: 15px;
    }

    .hv2-wrap {
        padding: 0 16px;
    }

    .hv2-proto-note {
        padding: 10px 14px;
        margin: 10px 12px 0;
    }

    .hv2-hd-logo img {
        width: 120px;
        max-width: 55vw;
        height: auto;
    }

    .hv2-hero {
        padding: 0 0 48px;
    }

    .hv2-hero-main {
        padding-top: 24px;
    }

    .hv2-hero h1 {
        font-size: clamp(26px, 8vw, 34px);
        letter-spacing: -.6px;
        white-space: normal;
    }

    .hv2-hero-sub {
        font-size: 18px;
    }

    .hv2-hero-desc {
        font-size: 15px;
        margin-bottom: 24px;
        line-height: 1.75;
    }

    .hv2-hero-acts {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .hv2-hero-acts .hv2-btn {
        width: 100%;
        min-height: 48px;
        padding: 12px 18px;
        font-size: 15px;
    }

    .hv2-hero-visual {
        padding: 0 24px 8px 0;
    }

    .hv2-hero-phone {
        width: 108px;
        height: 220px;
        bottom: -8px;
        border-radius: 18px;
    }

    .hv2-hero-phone-ph {
        width: 108px;
        height: 220px;
        font-size: 11px;
        border-radius: 18px;
    }

    .hv2-btn:hover {
        transform: none;
    }

    .hv2-btn-sm {
        width: 100%;
        max-width: 240px;
        padding: 0 20px;
        min-height: 40px;
    }

    .hv2-values {
        padding: 36px 0;
    }

    .hv2-values-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .hv2-value-ico {
        flex-basis: 48px;
        width: 48px;
        height: 48px;
    }

    .hv2-value-ico svg {
        width: 22px;
        height: 22px;
    }

    .hv2-value h3 {
        font-size: 17px;
    }

    .hv2-sec-head h2 {
        font-size: 24px;
        margin-bottom: 12px;
    }

    .hv2-sec-head p {
        font-size: 14px;
        padding: 0 4px;
    }

    .hv2-core,
    .hv2-scenes {
        padding: 48px 0;
    }

    .hv2-core-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .hv2-core-card {
        padding: 24px 20px 22px;
        border-radius: 16px;
    }

    .hv2-core-card:hover {
        transform: none;
    }

    .hv2-core-card h3 {
        font-size: 18px;
    }

    .hv2-core-card p {
        font-size: 14px;
        margin-bottom: 16px;
    }

    .hv2-dual-card {
        padding: 26px 22px 28px;
        border-radius: 18px;
    }

    .hv2-dual-list {
        grid-template-columns: 1fr;
    }

    .hv2-dual-media {
        min-height: 190px;
        margin-bottom: 24px;
    }

    .hv2-dual-phone {
        width: 120px;
    }

    .hv2-dual-b {
        padding: 48px 0 56px;
    }

    .hv2-dual-b-grid {
        gap: 40px;
    }

    .hv2-dual-b-item,
    .hv2-dual-b-item:last-child {
        gap: 18px;
        max-width: none;
    }

    .hv2-dual-b-content {
        text-align: left;
    }

    .hv2-dual-b-content h3 {
        font-size: 20px;
    }

    .hv2-dual-b-lead {
        font-size: 14px;
    }

    .hv2-dual-b-list.hv2-cols-2 {
        grid-template-columns: 1fr 1fr;
        column-gap: 8px;
    }

    .hv2-dual-b-list li {
        font-size: 14px;
        padding: 4px 0 4px 22px;
    }

    .hv2-dual-b-side {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .hv2-dual-b-qr {
        width: 96px;
    }

    .hv2-dual-b-qr .hv2-ph-qr {
        width: 88px;
        height: 88px;
    }

    .hv2-mock-macbook {
        width: min(320px, 100%);
    }

    .hv2-mock-iphone {
        width: min(168px, 48vw);
    }

    .hv2-mock-iphone-island {
        width: 64px;
        height: 20px;
        top: 12px;
    }

    .hv2-steps {
        padding: 48px 0;
    }

    .hv2-steps-row {
        row-gap: 28px;
    }

    .hv2-step {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
        padding: 0;
    }

    .hv2-step-ico {
        width: 52px;
        height: 52px;
        margin-bottom: 16px;
    }

    .hv2-step h3 {
        font-size: 16px;
    }

    .hv2-step p {
        font-size: 13px;
    }

    .hv2-bottom {
        padding: 48px 0;
    }

    .hv2-bottom-grid {
        gap: 28px;
    }

    .hv2-shot {
        min-height: 260px;
        padding: 28px 22px;
        border-radius: 18px;
    }

    .hv2-shot h3 {
        font-size: 22px;
    }

    .hv2-shot p {
        font-size: 14px;
        margin-bottom: 18px;
    }

    .hv2-shot .hv2-shot-wx p {
        margin-bottom: 8px;
        font-size: 14px;
    }

    .hv2-shot-wx img {
        width: min(148px, 46vw);
    }

    .hv2-shot-qq {
        width: 100%;
        max-width: 260px;
        justify-content: center;
    }

    .hv2-faq h2 {
        font-size: 22px;
    }

    .hv2-faq>p {
        font-size: 14px;
        margin-bottom: 18px;
    }

    .hv2-faq-q {
        font-size: 15px;
        padding: 16px 0;
        gap: 12px;
    }

    .hv2-faq-a {
        font-size: 14px;
        padding-bottom: 16px;
    }

    .hv2-modal-box {
        width: min(92vw, 420px);
        padding: 28px 22px 26px;
    }
}

@media (max-width: 380px) {
    .hv2-wrap {
        padding: 0 14px;
    }

    .hv2-hero h1 {
        font-size: 24px;
    }

    .hv2-dual-b-list.hv2-cols-2 {
        grid-template-columns: 1fr;
    }

    .hv2-btn-sm {
        max-width: none;
    }
}

@media (max-width: 768px) {
    .index-float-btns {
        right: 16px;
        bottom: 16px;
        gap: 12px;
    }

    .index-float-btn {
        width: 40px;
        height: 40px;
        font-size: 22px;
    }
}