/* ─────────────────────────────────────────────
   设计系统
───────────────────────────────────────────── */
:root {
    /* 深蓝金色主色调（整体调亮一档） */
    --blue-950: #0b1a35;
    --blue-900: #122140;
    --blue-800: #1a3565;
    --blue-700: #1f4278;
    --blue-600: #2654a0;
    --blue-500: #2f66be;

    --gold-600: #b8860b;
    --gold-500: #c9971a;
    --gold-400: #d4a82a;
    --gold-300: #e2c050;
    --gold-100: #fbf3d8;

    --white: #ffffff;
    --gray-50: #f7f8fc;
    --gray-100: #eef1f8;
    --gray-200: #dde3f0;
    --gray-400: #9aa5bf;
    --gray-500: #74809a;
    --gray-600: #5a6888;
    --gray-800: #2b3654;
    --text: #1a2340;

    --r-sm: 8px;
    --r-md: 12px;
    --r-lg: 18px;
    --r-xl: 24px;

    --shadow-xs: 0 1px 4px rgba(10, 22, 40, 0.08);
    --shadow-sm: 0 3px 12px rgba(10, 22, 40, 0.1);
    --shadow-md: 0 8px 28px rgba(10, 22, 40, 0.13);
    --shadow-lg: 0 16px 48px rgba(10, 22, 40, 0.18);
    --shadow-gold: 0 6px 24px rgba(200, 151, 26, 0.35);

    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --dur: 0.26s;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
    overflow-x: hidden; /* 防止任何元素导致横向滚动 */
}
body {
    font-family:
        "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui,
        sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    max-width: 100vw;
}
a {
    color: inherit;
    text-decoration: none;
    transition: color var(--dur) var(--ease);
}
img {
    display: block;
    max-width: 100%;
}
ul {
    list-style: none;
}
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}
.container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 28px;
}
section {
    padding: 96px 0;
}

/* ─── 排版工具 ─── */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--gold-500);
    margin-bottom: 14px;
}
.eyebrow::before,
.eyebrow::after {
    content: "";
    display: block;
    width: 22px;
    height: 1.5px;
    background: linear-gradient(
        90deg,
        var(--gold-500),
        transparent
    );
}
.eyebrow::after {
    background: linear-gradient(
        270deg,
        var(--gold-500),
        transparent
    );
}
h2.display {
    font-size: clamp(26px, 3.8vw, 42px);
    font-weight: 800;
    color: var(--blue-900);
    line-height: 1.22;
    margin-bottom: 18px;
}
h2.display.light {
    color: var(--white);
}
.lead {
    font-size: 15.5px;
    color: var(--gray-600);
    line-height: 1.85;
    max-width: 580px;
}
.lead.light {
    color: rgba(255, 255, 255, 0.88);
}
.lead.flush {
    margin-bottom: 0;
}
.section-hd {
    margin-bottom: 60px;
}
.section-hd.center {
    text-align: center;
}
.section-hd.center .lead {
    margin: 0 auto;
}
.eyebrow.light {
    color: var(--gold-300);
}
.eyebrow.light::before {
    background: linear-gradient(90deg, var(--gold-400), transparent);
}
.eyebrow.light::after {
    background: linear-gradient(270deg, var(--gold-400), transparent);
}
.mt-20 {
    margin-top: 20px;
}
.media-card {
    overflow: hidden;
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-md);
}
.media-card.compact {
    box-shadow: var(--shadow-sm);
}
.media-card.spaced {
    margin-bottom: 52px;
}
.media-img {
    width: 100%;
    height: auto;
    display: block;
}

/* ─── 按钮 ─── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: var(--r-sm);
    font-size: 15px;
    font-weight: 700;
    line-height: 1;
    transition: all var(--dur) var(--ease);
    white-space: nowrap;
    border: 2px solid transparent;
}
.btn-primary {
    background: linear-gradient(
        135deg,
        var(--gold-500),
        var(--gold-400)
    );
    color: var(--blue-900);
}
.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}
.btn-ghost {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.5);
}
.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
}
/* 亮色背景下的深色电话按钮 */
.btn-navy {
    background: var(--blue-800);
    color: var(--white);
    border-color: var(--blue-800);
}
.btn-navy:hover {
    background: var(--blue-700);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.btn-navy {
    background: var(--blue-800);
    color: var(--white);
    border-color: var(--blue-800);
}
.btn-navy:hover {
    background: var(--blue-700);
    box-shadow: var(--shadow-md);
}
.btn-sm {
    padding: 9px 18px;
    font-size: 13px;
}
.btn-lg {
    padding: 15px 36px;
    font-size: 16px;
}

/* ─────────────────────────────────────────────
   导航
───────────────────────────────────────────── */
#nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    padding: 0;
    background: var(--white);
    box-shadow: 0 2px 12px rgba(10, 22, 40, 0.1);
    transition: all var(--dur) var(--ease);
}
#nav.solid {
    box-shadow: 0 3px 20px rgba(10, 22, 40, 0.14);
}
.nav-row {
    display: flex;
    align-items: center;
    gap: 16px;
    height: 68px;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.nav-logo img {
    height: 44px;
    width: auto;
    object-fit: contain;
    object-position: left center;
    flex-shrink: 0;
}
.nav-logo-name {
    font-size: 20px;
    font-weight: 800;
    color: var(--blue-900);
    letter-spacing: 0.04em;
    white-space: nowrap;
    line-height: 1;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-left: auto;
}
.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-800);
    position: relative;
    padding: 6px 0;
}
.nav-links a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 100%;
    height: 2px;
    background: var(--gold-500);
    transition: right var(--dur) var(--ease);
}
.nav-links a:hover {
    color: var(--blue-900);
}
.nav-links a:hover::after {
    right: 0;
}
.nav-cta {
    display: flex;
    align-items: center;
    gap: 7px;
    background: var(--gold-500);
    color: var(--blue-900);
    padding: 9px 18px;
    border-radius: var(--r-sm);
    font-size: 13.5px;
    font-weight: 700;
    flex-shrink: 0;
}
.nav-cta svg {
    width: 14px;
    height: 14px;
}
.nav-cta:hover {
    background: var(--gold-400);
    box-shadow: var(--shadow-gold);
}
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
    margin-left: auto;
}
.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--blue-900);
    border-radius: 2px;
    transition: all var(--dur) var(--ease);
}
.hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

#mob-menu {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 68px; /* 与导航栏 height 一致，JS 动态调整 */
    left: 0;
    right: 0;
    background: var(--blue-900);
    z-index: 998;
    padding: 8px 20px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    max-height: calc(100vh - 68px);
    overflow-y: auto;
}
#mob-menu.open {
    display: flex;
}
#mob-menu a {
    color: rgba(255, 255, 255, 0.82);
    font-size: 15px;
    padding: 13px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
#mob-menu .m-cta {
    margin-top: 16px;
    background: var(--gold-500);
    color: var(--blue-900);
    text-align: center;
    padding: 13px;
    border-radius: var(--r-sm);
    font-weight: 700;
}

/* ─────────────────────────────────────────────
   Hero
───────────────────────────────────────────── */
/* ── Hero 亮色分栏 ── */
#hero {
    background: linear-gradient(
        160deg,
        #f0f5ff 0%,
        #eaf0fb 50%,
        #f5f7fc 100%
    );
    min-height: calc(100vh - 68px);
    margin-top: 68px;
    display: flex;
    align-items: center;
    overflow: hidden;
    position: relative;
}
/* 右上装饰圆 */
#hero::before {
    content: "";
    position: absolute;
    top: -120px;
    right: -120px;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: radial-gradient(
        circle,
        rgba(200, 151, 26, 0.08) 0%,
        transparent 68%
    );
    pointer-events: none;
}
#hero::after {
    content: "";
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(
        circle,
        rgba(26, 53, 101, 0.06) 0%,
        transparent 70%
    );
    pointer-events: none;
}
.hero-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
    padding: 28px 0 24px;
    position: relative;
    z-index: 1;
    width: 100%;
}
.hero-body {
    max-width: 580px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: rgba(200, 151, 26, 0.12);
    border: 1px solid rgba(200, 151, 26, 0.35);
    color: var(--gold-600);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 6px 14px;
    border-radius: 100px;
    margin-bottom: 24px;
}
.hero-badge i {
    display: block;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--gold-500);
    animation: blink 2s ease-in-out infinite;
}
@keyframes blink {
    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.3;
        transform: scale(0.7);
    }
}

.hero-h1 {
    font-size: clamp(28px, 4.2vw, 52px);
    font-weight: 800;
    color: var(--blue-900);
    line-height: 1.2;
    margin-bottom: 20px;
}
.hero-h1 mark {
    background: none;
    color: transparent;
    -webkit-background-clip: text;
    background-clip: text;
    background-image: linear-gradient(
        90deg,
        var(--blue-700),
        var(--blue-500)
    );
}
.hero-p {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.9;
    margin-bottom: 28px;
}
.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}
.htag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    color: var(--gray-800);
    font-size: 13px;
    padding: 6px 13px;
    border-radius: 6px;
    box-shadow: var(--shadow-xs);
}
.htag::before {
    content: "✓";
    color: var(--gold-500);
    font-size: 11px;
    font-weight: 800;
}

.hero-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 40px;
}

/* 数据条 */
.hero-strip {
    display: inline-flex;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--r-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.hstrip-item {
    padding: 16px 22px;
    text-align: center;
    border-right: 1px solid var(--gray-200);
}
.hstrip-item:last-child {
    border-right: none;
}
.hstrip-val {
    display: block;
    font-size: 18px;
    font-weight: 800;
    color: var(--blue-800);
    line-height: 1;
    margin-bottom: 4px;
}
.hstrip-key {
    display: block;
    font-size: 11px;
    color: var(--gray-600);
    line-height: 1.4;
}

/* 右侧图片区 */
.hero-img-wrap {
    position: relative;
    border-radius: var(--r-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4/3;
}
.hero-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    animation: heroBreathe 8s ease-in-out infinite;
}
/* 图片左侧金色竖条 */
.hero-img-wrap::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(
        180deg,
        var(--gold-500),
        var(--gold-300)
    );
    z-index: 2;
}
/* 底部信息条 */
.hero-img-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(
        0deg,
        rgba(15, 32, 64, 0.85) 0%,
        transparent 100%
    );
    padding: 28px 20px 18px;
    z-index: 2;
}
.hero-img-caption span {
    display: block;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    letter-spacing: 0.05em;
}
.hero-img-caption small {
    font-size: 11.5px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 3px;
    display: block;
}

/* 响应式 Hero — 平板：图片移到上方 */
@media (max-width: 900px) {
    .hero-layout {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 24px 0 20px;
    }
    .hero-img-wrap { order: -1; }
    .hero-body { max-width: 100%; }
}

/* ─────────────────────────────────────────────
   公告条
───────────────────────────────────────────── */
.ticker {
    background: linear-gradient(
        90deg,
        var(--blue-800) 0%,
        var(--blue-700) 100%
    );
    padding: 11px 0;
    border-bottom: 1px solid rgba(200, 151, 26, 0.15);
}
.ticker-inner {
    display: flex;
    align-items: center;
    gap: 14px;
    overflow: hidden;
}
.ticker-tag {
    background: var(--gold-500);
    color: var(--blue-900);
    font-size: 11px;
    font-weight: 800;
    padding: 3px 10px;
    border-radius: 4px;
    white-space: nowrap;
    letter-spacing: 0.06em;
    flex-shrink: 0;
}
.ticker-text {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ─────────────────────────────────────────────
   信任背书
───────────────────────────────────────────── */
#trust {
    padding: 0;
    background: var(--white);
}
.trust-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-bottom: 1px solid var(--gray-200);
}
.trust-row.compact {
    padding-top: 0;
    padding-bottom: 0;
}
.trust-cell {
    padding: 44px 28px;
    text-align: center;
    border-right: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
    transition: background var(--dur) var(--ease);
}
.trust-cell:last-child {
    border-right: none;
}
.trust-cell::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 60%;
    height: 2px;
    background: var(--gold-500);
    transition: transform var(--dur) var(--ease);
}
.trust-cell:hover {
    background: var(--gray-50);
}
.trust-cell:hover::after {
    transform: translateX(-50%) scaleX(1);
}
.tc-ico {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    margin: 0 auto 14px;
    background: linear-gradient(
        135deg,
        var(--blue-800),
        var(--blue-700)
    );
    display: flex;
    align-items: center;
    justify-content: center;
}
.tc-ico svg {
    width: 22px;
    height: 22px;
    stroke: var(--gold-400);
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.tc-val {
    font-size: 24px;
    font-weight: 800;
    color: var(--blue-900);
    line-height: 1;
    margin-bottom: 6px;
}
.tc-unit {
    font-size: 15px;
}
.tc-lbl {
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.55;
}

/* ─────────────────────────────────────────────
   服务
───────────────────────────────────────────── */
#services {
    background: var(--gray-50);
}
.svc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.svc-card {
    background: var(--white);
    border-radius: var(--r-lg);
    padding: 32px 28px;
    border: 1.5px solid var(--gray-100);
    transition: all var(--dur) var(--ease);
    position: relative;
    overflow: hidden;
}
.svc-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(
        90deg,
        var(--gold-600),
        var(--gold-400)
    );
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--dur) var(--ease);
}
.svc-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.svc-card:hover::before {
    transform: scaleX(1);
}
/* 最后一张卡片深色 */
.svc-card.dark {
    background: linear-gradient(
        145deg,
        var(--blue-900) 0%,
        var(--blue-800) 100%
    );
    border-color: transparent;
}
.svc-card.dark::before {
    display: none;
}
.svc-card.dark h3 {
    color: var(--white);
}
.svc-card.dark p {
    color: rgba(255, 255, 255, 0.65);
}
.svc-card.dark:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.svc-ico {
    width: 46px;
    height: 46px;
    border-radius: 10px;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}
.svc-ico svg {
    width: 22px;
    height: 22px;
    stroke: var(--blue-700);
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.svc-ico.gold {
    background: rgba(200, 151, 26, 0.12);
}
.svc-ico.gold svg {
    stroke: var(--gold-500);
}
.svc-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--blue-900);
    margin-bottom: 10px;
}
.svc-card p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.78;
}
.svc-pill {
    display: inline-block;
    margin-top: 16px;
    font-size: 12px;
    color: var(--gold-600);
    font-weight: 700;
    background: var(--gold-100);
    padding: 3px 10px;
    border-radius: 4px;
}

/* ─────────────────────────────────────────────
   适合客户
───────────────────────────────────────────── */
#fit {
    background: var(--white);
}
.fit-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 72px;
    align-items: center;
}
.fit-img {
    border-radius: var(--r-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4/3;
}
.fit-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.fit-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 28px;
}
.fit-item {
    display: flex;
    align-items: flex-start;
    gap: 13px;
    padding: 15px 18px;
    background: var(--gray-50);
    border-radius: var(--r-md);
    border-left: 3px solid var(--gold-500);
    transition: all var(--dur) var(--ease);
}
.fit-item:hover {
    background: var(--gray-100);
    transform: translateX(4px);
}
.fit-dot {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    flex-shrink: 0;
    background: linear-gradient(
        135deg,
        var(--blue-800),
        var(--blue-700)
    );
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold-400);
    font-size: 14px;
    margin-top: 1px;
}
.fit-item p {
    font-size: 14px;
    color: var(--gray-800);
    line-height: 1.65;
}
.fit-item strong {
    color: var(--blue-800);
}

/* ─────────────────────────────────────────────
   为什么选择我们
───────────────────────────────────────────── */
#why {
    background: linear-gradient(
        160deg,
        #1a3565 0%,
        #1e4080 60%,
        #2050a0 100%
    );
    position: relative;
    overflow: hidden;
}
#why::before {
    content: "";
    position: absolute;
    top: -220px;
    right: -220px;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(
        circle,
        rgba(200, 151, 26, 0.06) 0%,
        transparent 70%
    );
    pointer-events: none;
}
#why::after {
    content: "";
    position: absolute;
    bottom: -180px;
    left: -180px;
    width: 440px;
    height: 440px;
    border-radius: 50%;
    background: radial-gradient(
        circle,
        rgba(200, 151, 26, 0.04) 0%,
        transparent 70%
    );
    pointer-events: none;
}
.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    position: relative;
    z-index: 1;
}
.why-card {
    background: rgba(255, 255, 255, 0.09);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--r-lg);
    padding: 30px 24px;
    transition: all var(--dur) var(--ease);
}
.why-card:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(200, 151, 26, 0.45);
    transform: translateY(-4px);
}
.why-n {
    font-size: 48px;
    font-weight: 900;
    color: var(--gold-400);
    line-height: 1;
    margin-bottom: 16px;
    font-variant-numeric: tabular-nums;
}
.why-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}
.why-card p {
    font-size: 13.5px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.78;
}
.why-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 16px;
    font-size: 11.5px;
    font-weight: 700;
    color: var(--gold-400);
    background: rgba(200, 151, 26, 0.1);
    padding: 4px 10px;
    border-radius: 4px;
    border: 1px solid rgba(200, 151, 26, 0.2);
}
.why-chip::before {
    content: "●";
    font-size: 6px;
}

/* ─────────────────────────────────────────────
   服务流程
───────────────────────────────────────────── */
#process {
    background: var(--gray-50);
}
.proc-track {
    display: flex;
    align-items: flex-start;
    position: relative;
    gap: 0;
}
.proc-track::before {
    content: "";
    position: absolute;
    top: 27px;
    left: 28px;
    right: 28px;
    height: 2px;
    background: linear-gradient(
        90deg,
        var(--gold-500) 0%,
        var(--gold-300) 50%,
        var(--gold-500) 100%
    );
    z-index: 0;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 1.2s var(--ease);
}
.proc-track.line-in::before {
    transform: scaleX(1);
}
.proc-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 1;
    padding: 0 6px;
}
.proc-dot {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: linear-gradient(
        135deg,
        var(--blue-800),
        var(--blue-700)
    );
    border: 2.5px solid var(--gold-500);
    color: var(--white);
    font-size: 17px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    flex-shrink: 0;
    box-shadow: 0 4px 18px rgba(200, 151, 26, 0.28);
}
.proc-step h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--blue-900);
    margin-bottom: 6px;
}
.proc-step p {
    font-size: 12.5px;
    color: var(--gray-600);
    line-height: 1.6;
    max-width: 100px;
    margin: 0 auto;
}

/* ─────────────────────────────────────────────
   价值观横幅
───────────────────────────────────────────── */
#credo {
    padding: 72px 0;
    background: linear-gradient(
        120deg,
        #1a3565 0%,
        #1e4585 60%,
        #1a3a78 100%
    );
    position: relative;
    overflow: hidden;
}
#credo::before {
    content: "";
    position: absolute;
    right: -100px;
    top: -100px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(
        circle,
        rgba(200, 151, 26, 0.07) 0%,
        transparent 68%
    );
}
#credo::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(200, 151, 26, 0.4),
        transparent
    );
}
.credo-inner {
    max-width: 820px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}
.credo-q {
    font-size: clamp(20px, 3vw, 30px);
    font-weight: 800;
    color: var(--white);
    line-height: 1.5;
    margin-bottom: 22px;
}
.credo-q span {
    color: var(--gold-400);
}
.credo-body {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.88);
    line-height: 2;
    margin-bottom: 12px;
}
.credo-bold {
    font-size: 15.5px;
    color: rgba(255, 255, 255, 0.88);
    font-weight: 600;
    line-height: 1.9;
    margin-bottom: 30px;
}
.credo-sig {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--gold-400);
    letter-spacing: 0.06em;
}
.credo-sig::before,
.credo-sig::after {
    content: "";
    display: block;
    width: 48px;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(200, 151, 26, 0.5)
    );
}
.credo-sig::after {
    background: linear-gradient(
        270deg,
        transparent,
        rgba(200, 151, 26, 0.5)
    );
}

/* ─────────────────────────────────────────────
   联系我们
───────────────────────────────────────────── */
#contact {
    background: var(--white);
}
.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 56px;
    align-items: start;
}

/* 左侧：信息卡片 */
.c-cards {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.c-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 22px;
    background: var(--gray-50);
    border-radius: var(--r-md);
    border: 1px solid var(--gray-200);
    transition: all var(--dur) var(--ease);
}
.c-card:hover {
    background: var(--gray-100);
    border-color: var(--gray-200);
    transform: translateX(4px);
}
.c-ico {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    flex-shrink: 0;
    background: linear-gradient(
        135deg,
        var(--blue-800),
        var(--blue-700)
    );
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}
.c-card strong {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--blue-900);
    margin-bottom: 3px;
}
.c-card p,
.c-card a {
    font-size: 15px;
    color: var(--gray-800);
    line-height: 1.55;
}
.c-card a {
    color: var(--blue-700);
    font-weight: 600;
}
.c-card a:hover {
    color: var(--gold-600);
}
.c-tel {
    font-size: 22px !important;
    font-weight: 800 !important;
    color: var(--blue-900) !important;
    letter-spacing: 0.03em;
}

/* 右侧：二维码 */
.c-qr-wrap {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--r-lg);
    padding: 32px 28px;
    text-align: center;
}
.c-qr-wrap .qr-box {
    width: 160px;
    height: 160px;
    margin: 0 auto 20px;
    border-radius: var(--r-md);
    overflow: hidden;
    border: 3px solid var(--gold-400);
    box-shadow: 0 4px 20px rgba(200, 151, 26, 0.2);
}
.c-qr-wrap .qr-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.c-qr-wrap h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--blue-900);
    margin-bottom: 8px;
}
.c-qr-wrap p {
    font-size: 13.5px;
    color: var(--gray-600);
    line-height: 1.65;
}
.c-map {
    margin-top: 14px;
    background: var(--gray-50);
    border-radius: var(--r-md);
    border: 1px solid var(--gray-200);
    padding: 16px 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--gray-600);
}
.c-map.offset {
    margin-top: 24px;
    text-align: left;
}
.c-map span {
    font-size: 18px;
}

/* ─────────────────────────────────────────────
   SEO 辅助内容
───────────────────────────────────────────── */
.seo-coverage {
    padding: 32px 0;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}
.seo-coverage h2 {
    font-size: 15px;
    font-weight: 700;
    color: var(--blue-800);
    margin-bottom: 14px;
}
.seo-coverage p {
    max-width: 900px;
    font-size: 13px;
    color: var(--gray-600);
    line-height: 2;
}
.seo-coverage a {
    color: var(--blue-700);
    font-weight: 600;
}
.seo-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}
.seo-tags span {
    padding: 4px 10px;
    border: 1px solid var(--gray-200);
    border-radius: 4px;
    background: var(--white);
    color: var(--gray-500);
    font-size: 12px;
}

/* ─────────────────────────────────────────────
   法务页面
───────────────────────────────────────────── */
.legal-page {
    min-height: 100vh;
    background: var(--gray-50);
}
.legal-header {
    padding: 28px 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
}
.legal-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    color: var(--blue-900);
}
.legal-brand img {
    width: 42px;
    height: 42px;
    object-fit: contain;
}
.legal-content {
    max-width: 860px;
    padding-top: 56px;
    padding-bottom: 72px;
}
.legal-content h1 {
    color: var(--blue-900);
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.25;
    margin-bottom: 12px;
}
.legal-updated {
    color: var(--gray-500);
    font-size: 13px;
    margin-bottom: 32px;
}
.legal-section {
    margin-top: 28px;
}
.legal-section h2 {
    color: var(--blue-800);
    font-size: 18px;
    margin-bottom: 10px;
}
.legal-section p,
.legal-section li {
    color: var(--gray-600);
    font-size: 14px;
    line-height: 1.9;
}
.legal-section ul {
    list-style: disc;
    padding-left: 1.4em;
}
.legal-back {
    display: inline-flex;
    margin-top: 36px;
    color: var(--blue-700);
    font-weight: 700;
}

/* ─────────────────────────────────────────────
   页脚
───────────────────────────────────────────── */
footer {
    background: #0d1e3c;
    padding: 56px 0 0;
}
.ft-grid {
    display: grid;
    grid-template-columns: 2.2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.ft-brand img {
    height: 60px;
    width: auto;
    max-width: 260px;
    margin-bottom: 16px;
    object-fit: contain;
    object-position: left center;
}
.ft-brand-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.ft-brand .ft-logo {
    height: 52px;
    width: auto;
    object-fit: contain;
    margin-bottom: 0;
}
.ft-logo-text {
    font-size: 20px;
    font-weight: 800;
    color: var(--white);
    letter-spacing: 0.04em;
}
.ft-address-detail {
    padding-left: 20px;
    font-size: 12px;
}
.ft-hours {
    margin-top: 6px;
}
.ft-brand p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.82);
    line-height: 1.85;
    max-width: 320px;
}
.ft-col h4 {
    font-size: 14px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 14px;
}
.ft-col a,
.ft-col span {
    display: block;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.82);
    margin-bottom: 8px;
    transition: color var(--dur) var(--ease);
}
.ft-col a:hover {
    color: var(--gold-400);
}
.ft-bottom {
    padding: 18px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}
.ft-bottom p,
.ft-bottom a {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.65);
}
.ft-bottom a:hover {
    color: var(--gold-400);
}

/* ─────────────────────────────────────────────
   回到顶部
───────────────────────────────────────────── */
#prog-bar {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, #c9971a, #e2c050, #c9971a);
    background-size: 200% 100%;
    animation: shimmerProg 2s linear infinite;
    pointer-events: none;
    transition: width 0.1s ease;
}
#back-top {
    position: fixed;
    bottom: 30px;
    right: 26px;
    z-index: 900;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--blue-800);
    color: var(--white);
    font-size: 18px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--dur) var(--ease);
    display: flex;
    align-items: center;
    justify-content: center;
}
#back-top.show {
    opacity: 1;
    transform: translateY(0);
}
#back-top:hover {
    background: var(--blue-700);
    transform: translateY(-2px);
}

/* ─────────────────────────────────────────────
   图片预留位
───────────────────────────────────────────── */
.img-ph {
    background: var(--gray-100);
    border: 2px dashed var(--gray-200);
    border-radius: var(--r-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--gray-400);
    font-size: 13px;
    position: relative;
    overflow: hidden;
}
.img-ph::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(200, 151, 26, 0.03) 0%,
        transparent 60%
    );
}
.img-ph .ph-ico {
    font-size: 28px;
    opacity: 0.5;
}
.img-ph .ph-txt {
    font-weight: 600;
    color: var(--gray-400);
}
.img-ph .ph-sub {
    font-size: 12px;
    color: var(--gray-400);
    opacity: 0.7;
}

/* 服务区图片横幅 */
.svc-photo-banner {
    height: 260px;
    margin-bottom: 52px;
}

/* 团队三图格 */
.team-photos {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 52px;
}
.team-photos .img-ph {
    height: 200px;
}

/* 流程配图 */
.proc-photo {
    height: 220px;
    margin-top: 52px;
}
.proc-image-wrap {
    margin-top: 52px;
    text-align: center;
}
.proc-image {
    display: inline-block;
    max-width: 100%;
    height: auto;
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-md);
}

/* 关于我们 — 图片组 */
.about-photo-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 14px;
    margin-top: 32px;
}
.about-photo-grid .img-ph:first-child {
    height: 220px;
}
.about-photo-grid .img-ph:last-child {
    height: 220px;
}

/* ─────────────────────────────────────────────
   淡入动画
───────────────────────────────────────────── */
.fu {
    opacity: 1;
    transform: translateY(0);
}
.js .fu {
    opacity: 0;
    transform: translateY(30px);
    transition:
        opacity 0.6s var(--ease),
        transform 0.6s var(--ease);
}
.js .fu.in {
    opacity: 1;
    transform: translateY(0);
}

.hero-enter {
    opacity: 0;
    transform: var(--hero-enter-from, translateY(22px));
    transition:
        opacity 0.65s var(--ease) var(--hero-enter-delay, 0ms),
        transform 0.65s var(--ease) var(--hero-enter-delay, 0ms);
}
.hero-enter.hero-entered {
    opacity: 1;
    transform: none;
}

.svc-card .shine {
    position: absolute;
    inset: 0;
    z-index: 1;
    border-radius: inherit;
    background: linear-gradient(
        105deg,
        transparent 40%,
        rgba(255, 255, 255, 0.18) 50%,
        transparent 60%
    );
    background-size: 200% 100%;
    background-position: 200% 0;
    pointer-events: none;
    transition: background-position 0.55s ease;
}
.svc-card:hover .shine,
.svc-card .shine.active {
    background-position: -50% 0;
}

.why-card.float-anim {
    animation: cardFloat 3.5s ease-in-out infinite;
}
.why-card:nth-child(2).float-anim {
    animation-delay: 0.5s;
}
.why-card:nth-child(3).float-anim {
    animation-delay: 1s;
}
.why-card:nth-child(4).float-anim {
    animation-delay: 1.5s;
}
.why-card.float-anim:hover {
    animation-play-state: paused;
}

@keyframes shimmerProg {
    0% {
        background-position: 100% 0;
    }
    100% {
        background-position: -100% 0;
    }
}
@keyframes cardFloat {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-6px);
    }
}
@keyframes heroBreathe {
    0%,
    100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.025);
    }
}
@keyframes badgePulse {
    0% {
        box-shadow: 0 0 0 0 rgba(200, 151, 26, 0.4);
    }
    70% {
        box-shadow: 0 0 0 8px rgba(200, 151, 26, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(200, 151, 26, 0);
    }
}
.hero-badge {
    animation: badgePulse 2.5s ease-out infinite;
}

/* ─────────────────────────────────────────────
   响应式
───────────────────────────────────────────── */
/* ══ 平板 ══ */
@media (max-width: 1024px) {
    .svc-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .fit-layout { grid-template-columns: 1fr; gap: 36px; }
    .fit-img { max-width: 100%; order: -1; }
    .trust-row { grid-template-columns: repeat(2, 1fr); }
    .trust-cell:nth-child(2) { border-right: none; }
    .trust-cell:nth-child(3) { border-top: 1px solid var(--gray-200); border-right: 1px solid var(--gray-200); }
    .trust-cell:nth-child(4) { border-top: 1px solid var(--gray-200); border-right: none; }
    .contact-grid { grid-template-columns: 1fr; }
    .ft-grid { grid-template-columns: 1fr 1fr; }
    .team-photos { grid-template-columns: 1fr 1fr; }
}

/* ══ 手机端 768px ══ */
@media (max-width: 768px) {
    /* 整体间距收紧 */
    section { padding: 48px 0; }
    .container { padding: 0 16px; }
    .section-hd { margin-bottom: 36px; }

    /* 导航 */
    .nav-links, .nav-cta { display: none; }
    .hamburger { display: flex; }
    .nav-row { height: 60px; }
    .nav-logo img { height: 36px; }
    .nav-logo-name { font-size: 17px; }
    #mob-menu { top: 60px; max-height: calc(100vh - 60px); }
    #hero { margin-top: 60px; min-height: auto; }

    /* Hero */
    .hero-layout {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 24px 0 20px;
    }
    .hero-body { max-width: 100%; }
    .hero-badge { font-size: 11px; padding: 5px 12px; margin-bottom: 16px; }
    .hero-h1 { font-size: clamp(24px, 7vw, 36px); margin-bottom: 14px; }
    .hero-p { font-size: 14px; margin-bottom: 20px; }
    .hero-tags { gap: 7px; margin-bottom: 22px; }
    .htag { font-size: 12px; padding: 5px 10px; }
    .hero-btns { flex-direction: column; gap: 10px; margin-bottom: 24px; }
    .hero-btns .btn { width: 100%; justify-content: center; padding: 13px 20px; }
    /* 数据条：2×2 网格 */
    .hero-strip {
        display: grid;
        grid-template-columns: 1fr 1fr;
        width: 100%;
    }
    .hstrip-item {
        border-right: 1px solid var(--gray-200);
        border-bottom: 1px solid var(--gray-200);
        padding: 14px 12px;
    }
    .hstrip-item:nth-child(2),
    .hstrip-item:nth-child(4) { border-right: none; }
    .hstrip-item:nth-child(3),
    .hstrip-item:nth-child(4) { border-bottom: none; }
    .hstrip-val { font-size: 16px; }
    .hstrip-key { font-size: 11px; }

    /* 信任背书 */
    .trust-row { grid-template-columns: 1fr 1fr; }
    .trust-cell { padding: 28px 16px; }
    .trust-cell:nth-child(3) { border-top: 1px solid var(--gray-200); border-right: 1px solid var(--gray-200); }

    /* 服务卡片 */
    .svc-grid { grid-template-columns: 1fr; gap: 14px; }
    .svc-card { padding: 24px 20px; }

    /* 适合客户 */
    .fit-layout { gap: 28px; }
    .fit-list { gap: 10px; margin-top: 20px; }
    .fit-item { padding: 12px 14px; }

    /* 为什么选择我们 */
    .why-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
    .why-card { padding: 22px 16px; }
    .why-n { font-size: 36px; margin-bottom: 10px; }
    .team-photos { grid-template-columns: 1fr; gap: 12px; margin-top: 32px; }

    /* 服务流程 */
    .proc-track { flex-direction: column; align-items: center; gap: 8px; }
    .proc-track::before { display: none; }
    .proc-step {
        flex-direction: row; text-align: left;
        gap: 14px; width: 100%; max-width: 100%; padding: 0;
    }
    .proc-dot { margin-bottom: 0; flex-shrink: 0; width: 44px; height: 44px; font-size: 15px; }
    .proc-step p { max-width: none; }

    /* 价值观横幅 */
    #credo { padding: 48px 0; }
    .credo-q { font-size: clamp(17px, 5vw, 24px); }
    .credo-body, .credo-bold { font-size: 14px; }

    /* 联系我们 */
    .contact-grid { gap: 28px; }
    .c-cards { gap: 10px; }
    .c-card { padding: 14px 16px; }
    .c-tel { font-size: 18px !important; }
    .c-qr-wrap { padding: 24px 20px; }
    .c-qr-wrap .qr-box { width: 130px; height: 130px; }

    /* 页脚 */
    .ft-grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 28px; }
    .ft-bottom { flex-direction: column; text-align: center; gap: 6px; }
}

@media (max-width: 900px) {
    .why-card.float-anim {
        animation: none !important;
    }
    .hero-img-wrap img {
        animation: none !important;
    }
    .hero-badge {
        animation: badgePulse 3s ease-out 2;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    #prog-bar {
        display: none;
    }
}

/* ══ 手机端 480px ══ */
@media (max-width: 480px) {
    .why-grid { grid-template-columns: 1fr; }
    .trust-row { grid-template-columns: 1fr 1fr; }
    .trust-cell { padding: 22px 12px; }
    .tc-val { font-size: 20px; }
    .eyebrow { font-size: 10.5px; }
    h2.display { font-size: clamp(22px, 6.5vw, 30px); }
    .lead { font-size: 14px; }
    .btn-lg { padding: 13px 20px; font-size: 15px; }
    .why-card { padding: 18px 14px; }
    .why-n { font-size: 30px; }
    /* 联系卡片电话字号 */
    .c-tel { font-size: 16px !important; }
    /* 适合客户图片高度自适应 */
    .fit-img { aspect-ratio: auto; }
    /* 流程步骤文字换行友好 */
    .proc-step h4 { font-size: 13px; }
    /* 二维码居中 */
    .c-qr-wrap { text-align: center; }
}

/* ══ 超小屏 375px 以下 ══ */
@media (max-width: 375px) {
    .nav-logo img { height: 34px; }
    .nav-logo-name { font-size: 16px; }
    .container { padding: 0 12px; }
    .hero-h1 { font-size: 22px; }
    .hero-badge { font-size: 10px; padding: 4px 10px; }
    .htag { font-size: 11px; padding: 4px 8px; }
    .hstrip-val { font-size: 14px; }
    .trust-cell { padding: 18px 10px; }
    .tc-val { font-size: 18px; }
    .svc-card { padding: 20px 16px; }
    .why-card { padding: 16px 12px; }
    .proc-dot { width: 38px; height: 38px; font-size: 14px; }
    .ft-brand img { height: 40px; }
}