/* ==========================================================================
   杭州凯婷人鱼体雕 · 官网设计系统
   曜黑 + 鎏金 + 象牙白，高端医美质感
   ========================================================================== */

:root {
    /* —— 黑金主色 —— */
    --c-deep: #0A0908;
    --c-primary: #7A5C22;
    --c-primary-light: #D4AF5E;
    --c-gold: #D4AF5E;
    --c-gold-soft: #F2E1B3;

    /* —— 中性色（去蓝转暖） —— */
    --c-bg: #FFFFFF;
    --c-bg-soft: #F8F6F1;
    --c-text: #1C1917;
    --c-text-muted: #6B6157;
    --c-white: #FFFFFF;
    --c-border: rgba(122, 92, 34, 0.16);
    --c-success: #2FA36B;
    --c-danger: #E0533D;

    /* —— 渐变与阴影 —— */
    --grad-dark: linear-gradient(135deg, #0A0908 0%, #241D14 50%, #3B2E19 100%);
    --grad-sea: var(--grad-dark);
    --grad-gold: linear-gradient(90deg, rgba(212, 175, 94, 0) 0%, #D4AF5E 50%, rgba(212, 175, 94, 0) 100%);
    --shadow-sm: 0 2px 12px rgba(10, 9, 8, 0.07);
    --shadow-md: 0 12px 32px rgba(10, 9, 8, 0.12);
    --shadow-lg: 0 24px 60px rgba(10, 9, 8, 0.22);

    --radius-sm: 6px;
    --radius: 14px;
    --radius-lg: 22px;

    --font-sans: '思源黑体', 'Source Han Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Songti SC', 'Noto Serif SC', Georgia, serif;

    --container: 1200px;
    --header-h: 84px;
    --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.75;
    color: var(--c-text);
    background: var(--c-bg);
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.25s var(--ease);
}

button {
    font-family: inherit;
    cursor: pointer;
}

h1, h2, h3, h4 {
    margin: 0 0 0.6em;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: 0.5px;
}

p {
    margin: 0 0 1em;
}

ul, ol {
    margin: 0 0 1em;
    padding-left: 1.4em;
}

.container {
    width: min(100% - 40px, var(--container));
    margin-inline: auto;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

/* ---------- 通用文字与标题 ---------- */
.section {
    padding: 90px 0;
    position: relative;
}

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

.section--dark {
    background: var(--grad-sea);
    color: var(--c-white);
}

.section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 56px;
}

.section-head .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--c-gold);
    margin-bottom: 14px;
}

.section-head .eyebrow::before,
.section-head .eyebrow::after {
    content: '';
    width: 26px;
    height: 1px;
    background: var(--c-gold);
    opacity: 0.7;
}

.section-head h2 {
    font-size: 40px;
    margin-bottom: 14px;
}

.section-head p {
    color: var(--c-text-muted);
    margin: 0;
}

.section--dark .section-head p {
    color: rgba(255, 255, 255, 0.72);
}

/* 深色区块：顶部鎏金细线 + 标题金色渐变，强化黑金层次 */
.section--dark::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 1px;
    background: var(--grad-gold);
    opacity: 0.55;
}

.section--dark .section-head h2 {
    background: linear-gradient(100deg, #F2E1B3 0%, #D4AF5E 45%, #A98032 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gold-rule {
    width: 72px;
    height: 2px;
    background: var(--grad-gold);
    margin: 18px auto 0;
}

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 34px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 1px;
    transition: all 0.35s var(--ease);
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: linear-gradient(120deg, #0A0908 0%, #2A2118 100%);
    border-color: rgba(212, 175, 94, 0.5);
    color: var(--c-gold);
    box-shadow: 0 12px 28px rgba(10, 9, 8, 0.34);
}

.btn--primary:hover {
    transform: translateY(-3px);
    background: linear-gradient(120deg, var(--c-gold) 0%, var(--c-gold-soft) 100%);
    border-color: transparent;
    color: var(--c-deep);
    box-shadow: 0 18px 38px rgba(212, 175, 94, 0.36);
}

.btn--gold {
    background: linear-gradient(120deg, var(--c-gold) 0%, var(--c-gold-soft) 100%);
    color: var(--c-deep);
    font-weight: 600;
    box-shadow: 0 12px 28px rgba(212, 175, 94, 0.34);
}

.btn--gold:hover {
    transform: translateY(-3px);
    color: var(--c-deep);
}

.btn--ghost {
    border-color: rgba(255, 255, 255, 0.55);
    color: #fff;
    backdrop-filter: blur(6px);
    background: rgba(255, 255, 255, 0.06);
}

.btn--ghost:hover {
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
}

.btn--outline {
    border-color: var(--c-primary);
    color: var(--c-primary);
}

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

.btn--block {
    width: 100%;
}

/* ---------- 顶部导航 ---------- */
.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 60;
    height: var(--header-h);
    display: flex;
    align-items: center;
    transition: height 0.35s var(--ease), background 0.35s var(--ease), box-shadow 0.35s var(--ease);
    /* 顶部导航自带曜黑实底，不依赖下方轮播图 / 横幅作为背景 */
    /* 默认状态不加投影：阴影会向下扩散约 44px，糊在紧贴其下方的首屏图片顶部 */
    background: var(--c-deep);
}

.site-header.is-stuck {
    height: 68px;
    background: var(--c-deep);
    box-shadow: 0 10px 34px rgba(10, 9, 8, 0.42);
    border-bottom: 1px solid rgba(212, 175, 94, 0.24);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    width: min(100% - 40px, var(--container));
    margin-inline: auto;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
}

.brand__mark {
    width: 42px;
    height: 42px;
    flex: none;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 1px solid rgba(212, 175, 94, 0.65);
    background: rgba(255, 255, 255, 0.06);
}

.brand__mark svg {
    width: 24px;
    height: 24px;
}

.brand__text strong {
    display: block;
    font-size: 19px;
    letter-spacing: 3px;
    font-weight: 600;
    line-height: 1.2;
}

.brand__text span {
    display: block;
    font-size: 11px;
    letter-spacing: 2px;
    opacity: 0.7;
}

/* 头部全程深色，白色 logo 与白色导航始终可见 */
.site-header.is-stuck .brand,
.site-header.is-stuck .nav-link,
.site-header.is-stuck .header-hotline {
    color: #fff;
}

.brand__logo {
    height: 42px;
    width: auto;
    flex: none;
    object-fit: contain;
    transition: height 0.35s var(--ease), opacity 0.3s var(--ease);
}

.site-header.is-stuck .brand__logo {
    height: 34px;
}

.brand:hover .brand__logo {
    opacity: 0.82;
}

.nav {
    display: flex;
    align-items: center;
    gap: 34px;
}

.nav-link {
    position: relative;
    color: rgba(255, 255, 255, 0.92);
    font-size: 15px;
    letter-spacing: 1px;
    padding: 6px 0;
    white-space: nowrap;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--c-gold);
    transition: width 0.3s var(--ease);
}

.nav-link:hover::after,
.nav-link.is-active::after {
    width: 100%;
}

.nav-link.is-active {
    color: var(--c-gold);
}

.header-hotline {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
}

.header-hotline__text {
    white-space: nowrap;
}

.header-hotline__icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: linear-gradient(120deg, var(--c-gold) 0%, var(--c-gold-soft) 100%);
    color: var(--c-deep);
}

.header-hotline__num {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 1px;
    line-height: 1.2;
}

.header-hotline__small {
    font-size: 11px;
    opacity: 0.7;
    letter-spacing: 1px;
}

.nav__item {
    position: relative;
}

.nav__menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translate(-50%, 8px);
    min-width: 148px;
    padding: 10px 0;
    background: rgba(10, 9, 8, 0.96);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(212, 175, 94, 0.26);
    border-radius: var(--radius-sm);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
    opacity: 0;
    pointer-events: none;
    transition: all 0.28s var(--ease);
}

.nav__menu a {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.82);
    white-space: nowrap;
    transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.nav__menu a:hover {
    background: rgba(212, 175, 94, 0.16);
    color: var(--c-gold-soft);
}

.nav__item:hover .nav__menu {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, 0);
}

.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 10px;
    background: transparent;
    color: #fff;
}

.site-header.is-stuck .nav-toggle {
    border-color: rgba(212, 175, 94, 0.4);
    color: var(--c-gold);
}

/* ---------- 主视觉轮播 ---------- */
/* 横版原图按自身比例完整展示：不裁切、不缩放，文案落在图片下方的曜黑底 */
.hero {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    padding-top: var(--header-h);
    overflow: hidden;
    background: var(--c-deep);
}

.hero__slide {
    position: relative;
    grid-area: 1 / 1;
    min-height: 180px;
    opacity: 0;
    transition: opacity 1.1s var(--ease);
}

.hero__slide.is-active {
    opacity: 1;
}

.hero__slide img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.hero__content {
    grid-area: 2 / 1;
    padding: 44px 0 52px;
}

.hero__inner {
    max-width: 640px;
    color: #fff;
}

/* 无遮罩层：文案保留轻微阴影，兼容任意底色 */
.hero__eyebrow {
    font-size: 13px;
    letter-spacing: 6px;
    color: var(--c-gold);
    margin-bottom: 18px;
    text-shadow: 0 2px 10px rgba(10, 9, 8, 0.55);
}

.hero__title {
    font-size: clamp(38px, 5.4vw, 74px);
    font-weight: 600;
    line-height: 1.16;
    margin-bottom: 22px;
    text-shadow: 0 2px 16px rgba(10, 9, 8, 0.6), 0 10px 34px rgba(10, 9, 8, 0.45);
}

.hero__subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.92);
    margin-bottom: 34px;
    letter-spacing: 1px;
    text-shadow: 0 2px 12px rgba(10, 9, 8, 0.6);
}

.hero__actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.hero__dots {
    grid-area: 1 / 1;
    align-self: end;
    justify-self: center;
    margin-bottom: 18px;
    display: flex;
    gap: 12px;
    z-index: 3;
}

.hero__dot {
    width: 34px;
    height: 3px;
    border: 0;
    padding: 0;
    background: rgba(255, 255, 255, 0.35);
    border-radius: 2px;
    transition: background 0.3s var(--ease), width 0.3s var(--ease);
}

.hero__dot.is-active {
    width: 56px;
    background: var(--c-gold);
}

.hero__scroll {
    position: absolute;
    right: 40px;
    bottom: 40px;
    z-index: 3;
    color: rgba(255, 255, 255, 0.7);
    font-size: 12px;
    letter-spacing: 3px;
    writing-mode: vertical-rl;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hero__scroll::after {
    content: '';
    width: 1px;
    height: 46px;
    background: linear-gradient(180deg, var(--c-gold), transparent);
}

/* ---------- 核心卖点 ---------- */
.points {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
}

.point-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 40px 28px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--c-border);
    transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
    position: relative;
    overflow: hidden;
}

.point-card::after {
    content: '';
    position: absolute;
    inset: auto 0 0 0;
    height: 3px;
    background: var(--grad-gold);
    opacity: 0;
    transition: opacity 0.4s var(--ease);
}

.point-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
    border-color: rgba(212, 175, 94, 0.45);
}

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

.point-card__icon {
    width: 68px;
    height: 68px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--grad-sea);
    color: var(--c-gold);
}

.point-card__icon svg {
    width: 30px;
    height: 30px;
}

.point-card h3 {
    font-size: 19px;
    margin-bottom: 10px;
}

.point-card p {
    color: var(--c-text-muted);
    font-size: 14px;
    margin: 0;
}

/* ---------- 项目入口网格 ---------- */
.project-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}

.project-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 3 / 4;
    background: var(--c-deep);
    box-shadow: var(--shadow-sm);
    transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}

.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s var(--ease);
}

.project-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 9, 8, 0) 30%, rgba(10, 9, 8, 0.92) 100%);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.project-card:hover img {
    transform: scale(1.08);
}

.project-card__body {
    position: absolute;
    inset: auto 0 0 0;
    z-index: 2;
    padding: 26px 24px;
    color: #fff;
}

.project-card__cat {
    font-size: 12px;
    letter-spacing: 2px;
    color: var(--c-gold);
    margin-bottom: 6px;
}

.project-card__title {
    font-size: 22px;
    font-weight: 600;
    margin: 0 0 8px;
}

.project-card__tagline {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.78);
    margin: 0;
}

.project-card__go {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 14px;
    font-size: 14px;
    color: var(--c-gold);
}

/* ---------- 案例轮播 ---------- */
.case-carousel {
    position: relative;
}

.case-track {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 12px;
    scrollbar-width: none;
}

.case-track::-webkit-scrollbar {
    display: none;
}

.case-slide {
    flex: 0 0 calc((100% - 48px) / 3);
    scroll-snap-align: start;
}

.case-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--c-border);
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.compare {
    position: relative;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    background: var(--c-deep);
    touch-action: pan-y;
}

.compare img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.compare__after {
    clip-path: inset(0 0 0 50%);
}

.compare__handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: var(--c-gold);
    z-index: 3;
    cursor: ew-resize;
}

.compare__handle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 38px;
    height: 38px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: rgba(212, 175, 94, 0.95);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}

.compare__label {
    position: absolute;
    top: 12px;
    z-index: 4;
    font-size: 11px;
    letter-spacing: 2px;
    padding: 3px 10px;
    border-radius: 999px;
    background: rgba(10, 9, 8, 0.68);
    color: #fff;
    backdrop-filter: blur(4px);
}

.compare__label--before {
    left: 12px;
}

.compare__label--after {
    right: 12px;
    color: var(--c-gold);
}

.case-card__body {
    padding: 20px 22px 24px;
}

.case-card__meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    color: var(--c-gold);
    margin-bottom: 8px;
}

.case-card__title {
    font-size: 17px;
    margin: 0 0 8px;
}

.case-card__desc {
    font-size: 14px;
    color: var(--c-text-muted);
    margin: 0;
}

.carousel-arrow {
    position: absolute;
    top: 42%;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--c-border);
    background: #fff;
    color: var(--c-primary);
    display: grid;
    place-items: center;
    box-shadow: var(--shadow-sm);
    z-index: 5;
    transition: all 0.3s var(--ease);
}

.carousel-arrow:hover {
    background: var(--c-primary);
    color: #fff;
}

.carousel-arrow--prev {
    left: -22px;
}

.carousel-arrow--next {
    right: -22px;
}

/* ---------- 门店 + 活动 ---------- */
.home-split {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 40px;
    align-items: start;
}

.store-list {
    display: grid;
    gap: 18px;
}

.store-item {
    display: flex;
    gap: 18px;
    padding: 20px;
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.store-item:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-md);
    border-color: rgba(212, 175, 94, 0.45);
}

.store-item img {
    width: 116px;
    height: 88px;
    object-fit: cover;
    border-radius: 10px;
    flex: none;
}

.store-item h4 {
    font-size: 17px;
    margin: 0 0 6px;
}

.store-item p {
    margin: 0;
    font-size: 13px;
    color: var(--c-text-muted);
}

.store-item__tag {
    display: inline-block;
    font-size: 11px;
    letter-spacing: 1px;
    padding: 2px 9px;
    border-radius: 999px;
    background: rgba(212, 175, 94, 0.18);
    color: #8A6520;
    margin-bottom: 6px;
}

.news-list {
    display: grid;
    gap: 4px;
}

.news-row {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 18px 4px;
    border-bottom: 1px dashed var(--c-border);
    transition: padding 0.3s var(--ease);
}

.news-row:hover {
    padding-left: 12px;
}

.news-row__date {
    flex: none;
    width: 62px;
    text-align: center;
    padding: 8px 0;
    border-radius: 10px;
    background: var(--c-bg-soft);
    color: var(--c-primary);
}

.news-row__date strong {
    display: block;
    font-size: 20px;
    line-height: 1.1;
}

.news-row__date span {
    font-size: 11px;
    opacity: 0.7;
}

.news-row__title {
    font-size: 16px;
    margin: 0 0 4px;
    font-weight: 500;
}

.news-row__summary {
    font-size: 13px;
    color: var(--c-text-muted);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}

/* ---------- 数据条 ---------- */
.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    text-align: center;
}

.stat__num {
    font-size: 44px;
    font-weight: 600;
    color: var(--c-gold);
    letter-spacing: 1px;
    line-height: 1.1;
}

.stat__unit {
    font-size: 18px;
    margin-left: 3px;
}

.stat__title {
    font-size: 16px;
    margin: 8px 0 4px;
    color: #fff;
    font-weight: 500;
}

.stat__desc {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.66);
    margin: 0;
}

/* ---------- 时间轴 ---------- */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--c-gold), transparent);
}

.timeline__item {
    position: relative;
    width: 50%;
    padding: 0 46px 42px 0;
}

.timeline__item:nth-child(even) {
    margin-left: 50%;
    padding: 0 0 42px 46px;
    text-align: left;
}

.timeline__item:nth-child(odd) {
    text-align: right;
}

.timeline__dot {
    position: absolute;
    top: 6px;
    right: -9px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--c-gold);
    box-shadow: 0 0 0 6px rgba(212, 175, 94, 0.2);
}

.timeline__item:nth-child(even) .timeline__dot {
    left: -9px;
    right: auto;
}

.timeline__year {
    font-size: 26px;
    font-weight: 600;
    color: var(--c-primary);
    letter-spacing: 1px;
}

.timeline__title {
    font-size: 17px;
    margin: 6px 0 8px;
}

.timeline__desc {
    font-size: 14px;
    color: var(--c-text-muted);
    margin: 0;
}

/* ---------- 通用卡片网格 ---------- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}

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

/* 尊享美学空间 · 图片墙（瀑布流，横竖图均按原比例显示） */
.space-gallery {
    columns: 3;
    column-gap: 16px;
}

.space-gallery__item {
    margin: 0 0 16px;
    break-inside: avoid;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--c-deep);
}

.space-gallery__item img {
    display: block;
    width: 100%;
    height: auto;
}

.info-card {
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
    display: flex;
    flex-direction: column;
}

.info-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.info-card__media {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--c-deep);
}

.info-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
}

.info-card:hover .info-card__media img {
    transform: scale(1.06);
}

.info-card__body {
    padding: 22px 24px 26px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.info-card__meta {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--c-gold);
    margin-bottom: 10px;
}

.info-card__title {
    font-size: 18px;
    margin: 0 0 10px;
}

.info-card__desc {
    font-size: 14px;
    color: var(--c-text-muted);
    margin: 0 0 16px;
}

.info-card__foot {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--c-text-muted);
}

/* ---------- 筛选条 ---------- */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 44px;
}

.filter-chip {
    padding: 9px 24px;
    border-radius: 999px;
    border: 1px solid var(--c-border);
    background: #fff;
    font-size: 14px;
    color: var(--c-text-muted);
    transition: all 0.3s var(--ease);
}

.filter-chip:hover {
    border-color: var(--c-primary);
    color: var(--c-primary);
}

.filter-chip.is-active {
    background: var(--grad-sea);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 10px 24px rgba(10, 9, 8, 0.3);
}

/* ---------- 页头 Banner ---------- */
.page-banner {
    position: relative;
    height: 380px;
    display: grid;
    place-items: center;
    background: var(--grad-sea);
    color: #fff;
    text-align: center;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(212, 175, 94, 0.28), transparent 45%),
        radial-gradient(circle at 82% 78%, rgba(138, 101, 32, 0.5), transparent 50%);
}

.page-banner::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 240px;
    height: 2px;
    background: var(--grad-gold);
}

.page-banner__inner {
    position: relative;
    z-index: 2;
    padding-top: 40px;
}

.page-banner h1 {
    font-size: 40px;
    margin-bottom: 12px;
}

.page-banner p {
    color: rgba(255, 255, 255, 0.75);
    margin: 0;
    letter-spacing: 2px;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 10px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 16px;
}

.breadcrumb a:hover {
    color: var(--c-gold);
}

/* ---------- 富文本内容 ---------- */
.rich-content {
    font-size: 16px;
    line-height: 1.9;
    color: var(--c-text);
}

.rich-content h2,
.rich-content h3 {
    margin-top: 1.6em;
    color: var(--c-primary);
}

.rich-content h2 {
    font-size: 26px;
}

.rich-content h3 {
    font-size: 21px;
}

.rich-content blockquote {
    margin: 1.6em 0;
    padding: 18px 24px;
    border-left: 3px solid var(--c-gold);
    background: var(--c-bg-soft);
    color: var(--c-text-muted);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.rich-content img {
    border-radius: var(--radius-sm);
    margin: 1em 0;
}

.rich-content ul li::marker {
    color: var(--c-gold);
}

/* ---------- 详情布局 ---------- */
.detail-layout {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 46px;
    align-items: start;
}

/* 整个侧栏一起吸顶，内部卡片保持文档流，避免多张卡片叠在同一位置。 */
.detail-layout > aside {
    position: sticky;
    top: 100px;
    align-self: start;
}

.side-card {
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 26px;
    box-shadow: var(--shadow-sm);
}

.side-card + .side-card {
    margin-top: 22px;
}

.side-card h3 {
    font-size: 18px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--c-border);
}

.spec-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.spec-list li {
    display: flex;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px dashed var(--c-border);
    font-size: 14px;
}

.spec-list li:last-child {
    border-bottom: 0;
}

.spec-list strong {
    flex: none;
    width: 78px;
    color: var(--c-text-muted);
    font-weight: 500;
}

.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}

.tag {
    font-size: 13px;
    padding: 5px 14px;
    border-radius: 999px;
    background: rgba(122, 92, 34, 0.07);
    color: var(--c-primary);
}

.tag--gold {
    background: rgba(212, 175, 94, 0.16);
    color: #8A6520;
}

/* ---------- FAQ ---------- */
.faq-item {
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    overflow: hidden;
    background: #fff;
}

.faq-item__q {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 20px;
    background: none;
    border: 0;
    text-align: left;
    font-size: 16px;
    font-weight: 500;
    color: var(--c-text);
}

.faq-item__q::after {
    content: '+';
    font-size: 20px;
    color: var(--c-gold);
    transition: transform 0.3s var(--ease);
}

.faq-item.is-open .faq-item__q::after {
    transform: rotate(45deg);
}

.faq-item__a {
    display: none;
    padding: 0 20px 18px;
    font-size: 14px;
    color: var(--c-text-muted);
}

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

/* ---------- 视频案例 ---------- */
.video-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    background: var(--c-deep);
    aspect-ratio: 16 / 9;
}

.video-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.9;
    transition: transform 0.6s var(--ease);
}

.video-card:hover img {
    transform: scale(1.05);
}

.video-card__play {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    z-index: 2;
}

.video-card__play span {
    width: 66px;
    height: 66px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: rgba(255, 255, 255, 0.92);
    color: var(--c-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.35s var(--ease);
}

.video-card:hover .video-card__play span {
    transform: scale(1.1);
}

.video-modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: none;
    place-items: center;
    background: rgba(8, 20, 30, 0.86);
    backdrop-filter: blur(6px);
}

.video-modal.is-open {
    display: grid;
}

.video-modal__inner {
    width: min(90vw, 900px);
    position: relative;
}

.video-modal video {
    width: 100%;
    border-radius: var(--radius);
    background: #000;
}

.video-modal__close {
    position: absolute;
    top: -46px;
    right: 0;
    color: #fff;
    background: none;
    border: 0;
    font-size: 15px;
    letter-spacing: 1px;
}

/* ---------- 评价 ---------- */
.testimonial {
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 26px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.testimonial__stars {
    color: var(--c-gold);
    letter-spacing: 3px;
    font-size: 15px;
}

.testimonial__content {
    font-size: 15px;
    color: var(--c-text-muted);
    margin: 0;
}

.testimonial__author {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
}

.testimonial__avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--grad-sea);
    color: var(--c-gold);
    font-weight: 600;
    flex: none;
    overflow: hidden;
}

.testimonial__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ---------- 联系与表单 ---------- */
.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 860px);
    justify-content: center;
    gap: 40px;
    align-items: start;
}

.contact-info {
    display: grid;
    gap: 16px;
}

.contact-row {
    display: flex;
    gap: 16px;
    padding: 18px 20px;
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
}

.contact-row__icon {
    width: 44px;
    height: 44px;
    flex: none;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--grad-sea);
    color: var(--c-gold);
}

.contact-row__label {
    font-size: 13px;
    color: var(--c-text-muted);
    margin: 0 0 2px;
}

.contact-row__value {
    font-size: 16px;
    margin: 0;
    font-weight: 500;
}

.form-card {
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 34px;
    box-shadow: var(--shadow-sm);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.field--full {
    grid-column: 1 / -1;
}

.field label {
    font-size: 14px;
    color: var(--c-text-muted);
}

.field input,
.field select,
.field textarea {
    padding: 12px 14px;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 15px;
    color: var(--c-text);
    background: #fff;
    transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--c-primary-light);
    box-shadow: 0 0 0 3px rgba(212, 175, 94, 0.22);
}

.field textarea {
    resize: vertical;
    min-height: 96px;
}

.field-error {
    font-size: 13px;
    color: var(--c-danger);
}

.form-note {
    font-size: 12px;
    color: var(--c-text-muted);
    margin-top: 14px;
    text-align: center;
}

.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: 16px;
}

.alert--success {
    background: rgba(47, 163, 107, 0.1);
    color: #1E7A4E;
    border: 1px solid rgba(47, 163, 107, 0.3);
}

.alert--danger {
    background: rgba(224, 83, 61, 0.08);
    color: #B23B25;
    border: 1px solid rgba(224, 83, 61, 0.28);
}

.map-frame {
    width: 100%;
    height: 360px;
    border: 0;
    border-radius: var(--radius);
    background: var(--c-bg-soft);
}

.map-panel {
    position: relative;
    min-height: 320px;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--grad-sea);
    display: grid;
    align-items: center;
    padding: 40px;
    color: #fff;
}

.map-panel__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(circle at 70% 40%, rgba(0, 0, 0, 0.9), transparent 75%);
}

.map-panel__body {
    position: relative;
    z-index: 2;
    max-width: 420px;
}

.map-panel__pin {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(212, 175, 94, 0.94);
    color: var(--c-deep);
    margin-bottom: 16px;
}

.map-panel__pin svg {
    width: 26px;
    height: 26px;
}

.map-panel__body h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.map-panel__body p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.78);
    margin-bottom: 6px;
}

.map-panel__coord {
    font-size: 12px !important;
    color: rgba(255, 255, 255, 0.5) !important;
    margin-bottom: 16px !important;
}

/* ---------- 分页 ---------- */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 46px;
    flex-wrap: wrap;
}

.pagination a,
.pagination span {
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    display: grid;
    place-items: center;
    border-radius: var(--radius-sm);
    border: 1px solid var(--c-border);
    font-size: 14px;
    background: #fff;
    color: var(--c-text-muted);
}

.pagination .is-current {
    background: var(--grad-sea);
    color: #fff;
    border-color: transparent;
}

.pagination a:hover {
    border-color: var(--c-primary);
    color: var(--c-primary);
}

/* ---------- 底部 ---------- */
.site-footer {
    background: var(--c-deep);
    color: rgba(255, 255, 255, 0.72);
    padding: 64px 0 0;
    position: relative;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .footer-logo {
    height: 44px;
    width: auto;
    object-fit: contain;
}

.footer-brand .brand__text strong {
    color: #fff;
}

.footer-brand p {
    font-size: 14px;
    margin: 18px 0 0;
    line-height: 1.9;
}

.footer-col h4 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 18px;
    letter-spacing: 1px;
}

.footer-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
    font-size: 14px;
}

.footer-col a:hover {
    color: var(--c-gold);
}

.footer-contact {
    font-size: 14px;
    line-height: 2;
}

.footer-contact strong {
    color: var(--c-gold);
    font-size: 22px;
    display: block;
    letter-spacing: 1px;
}

.footer-bottom {
    padding: 22px 0;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

/* ---------- 侧边悬浮服务栏 ---------- */
.side-dock {
    position: fixed;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 70;
    display: grid;
    gap: 10px;
}

.side-dock__btn {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    border: 1px solid rgba(122, 92, 34, 0.14);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow-md);
    display: grid;
    place-items: center;
    color: var(--c-primary);
    gap: 2px;
    font-size: 11px;
    transition: all 0.3s var(--ease);
    backdrop-filter: blur(8px);
}

.side-dock__btn svg {
    width: 20px;
    height: 20px;
}

.side-dock__btn:hover {
    background: var(--grad-sea);
    color: #fff;
    transform: translateX(-4px);
}

.side-dock__btn--gold {
    background: linear-gradient(120deg, var(--c-gold) 0%, var(--c-gold-soft) 100%);
    color: var(--c-deep);
    border-color: transparent;
}

.side-dock__qr {
    position: absolute;
    right: 68px;
    top: 118px;
    width: 148px;
    padding: 14px;
    border-radius: var(--radius);
    background: #fff;
    box-shadow: var(--shadow-lg);
    text-align: center;
    font-size: 12px;
    color: var(--c-text-muted);
    display: none;
}

.side-dock__qr.is-open {
    display: block;
}

.side-dock__qr img {
    width: 100%;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
}

/* ---------- 滚动渐显 ---------- */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

/* ---------- 空状态 ---------- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--c-text-muted);
}

.empty-state svg {
    width: 56px;
    height: 56px;
    opacity: 0.35;
    margin-bottom: 14px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1280px) {
    .nav {
        gap: 22px;
    }

    .nav-link {
        font-size: 14px;
        letter-spacing: 0.5px;
    }

    .header-hotline__num {
        font-size: 16px;
        letter-spacing: 0.5px;
    }

    .header-hotline__small {
        letter-spacing: 0.5px;
    }
}

@media (max-width: 1080px) {
    .nav {
        gap: 22px;
    }

    .hero__title {
        font-size: 44px;
    }

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

    .space-gallery {
        columns: 2;
        column-gap: 8px;
    }

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

    .case-slide {
        flex-basis: calc((100% - 24px) / 2);
    }

    .contact-layout,
    .home-split,
    .detail-layout {
        grid-template-columns: 1fr;
    }

    .detail-layout > aside {
        position: static;
    }

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

@media (max-width: 860px) {
    /* 手机端：竖版轮播占首屏，文案覆盖在图片底部；未传竖版图时回退横版图。 */
    .hero__slide {
        min-height: min(calc(100svh - var(--header-h)), 780px);
    }

    .hero__slide--mobile img {
        height: 100%;
        min-height: inherit;
        object-fit: cover;
        object-position: center;
    }

    /* 回退横版图时保留较短视觉高度，避免首页被强行撑成满屏。 */
    .hero__slide:not(.hero__slide--mobile) img {
        height: min(62vw, 340px);
        object-fit: cover;
        object-position: center;
    }

    .hero__content {
        grid-area: 1 / 1;
        align-self: end;
        z-index: 2;
        padding: 0 0 68px;
    }

    .hero__content::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(10, 9, 8, 0) 34%, rgba(10, 9, 8, 0.34) 62%, rgba(10, 9, 8, 0.92) 100%);
        z-index: -1;
    }

    .hero__inner {
        position: relative;
        z-index: 1;
    }

    .hero__title {
        font-size: clamp(30px, 8vw, 42px);
        margin-bottom: 16px;
    }

    .hero__subtitle {
        font-size: 16px;
        margin-bottom: 26px;
    }

    .hero__dots {
        margin-bottom: 14px;
    }

    .hero__scroll {
        display: none;
    }

    .nav-toggle {
        display: grid;
        place-items: center;
    }

    .nav {
        position: fixed;
        inset: var(--header-h) 0 auto 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: #fff;
        padding: 12px 24px 24px;
        box-shadow: var(--shadow-md);
        transform: translateY(-12px);
        opacity: 0;
        pointer-events: none;
        transition: all 0.3s var(--ease);
    }

    .nav.is-open {
        transform: none;
        opacity: 1;
        pointer-events: auto;
    }

    .nav-link {
        color: var(--c-text) !important;
        padding: 14px 0;
        border-bottom: 1px solid var(--c-border);
    }

    .nav__item .nav-link {
        border-bottom: 0;
        padding-bottom: 10px;
    }

    .nav__menu {
        position: static;
        opacity: 1;
        pointer-events: auto;
        transform: none;
        box-shadow: none;
        background: transparent;
        padding: 0 0 10px 14px;
        min-width: 0;
    }

    .nav__menu a {
        padding: 8px 0;
        color: var(--c-text-muted);
    }

    /* 手机端顶部仍展示可点击的电话号码，只隐藏「工作时间」副文案 */
    .header-inner {
        gap: 12px;
    }

    .header-hotline {
        gap: 8px;
        margin-left: auto;
    }

    .header-hotline__icon {
        width: 32px;
        height: 32px;
    }

    .header-hotline__num {
        font-size: 15px;
        letter-spacing: 0.5px;
        white-space: nowrap;
    }

    .header-hotline__small {
        display: none;
    }

    /* 手机端页脚：品牌置顶，导航两列，联系信息做成醒目卡片。 */
    .site-footer {
        padding-top: 44px;
    }

    .footer-top {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 24px 16px;
        padding-bottom: 28px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-brand .footer-logo {
        height: 34px;
    }

    .footer-brand p {
        margin-top: 12px;
        font-size: 13px;
        line-height: 1.75;
        color: rgba(255, 255, 255, 0.62);
    }

    .footer-col h4 {
        margin-bottom: 12px;
        font-size: 14px;
        letter-spacing: 2px;
        color: var(--c-gold-soft);
    }

    .footer-col h4::before {
        content: '';
        display: inline-block;
        width: 3px;
        height: 12px;
        margin-right: 8px;
        border-radius: 2px;
        background: var(--grad-gold);
        vertical-align: -1px;
    }

    .footer-col ul {
        gap: 8px;
        font-size: 13px;
    }

    .footer-contact {
        grid-column: 1 / -1;
        padding: 18px 16px;
        border: 1px solid rgba(212, 175, 94, 0.2);
        border-radius: var(--radius);
        background: rgba(255, 255, 255, 0.04);
        line-height: 1.75;
    }

    .footer-contact h4 {
        margin-bottom: 10px;
    }

    .footer-contact strong {
        margin-bottom: 4px;
        font-size: 21px;
    }

    .footer-contact div {
        color: rgba(255, 255, 255, 0.68);
    }

    .footer-bottom {
        flex-direction: column;
        align-items: center;
        gap: 4px;
        padding: 18px 0 24px;
        text-align: center;
        font-size: 12px;
    }

    .side-dock {
        right: 10px;
        transform: none;
        top: auto;
        bottom: 18px;
        grid-auto-flow: column;
    }

    .side-dock__qr {
        top: auto;
        bottom: 76px;
    }
}

@media (max-width: 640px) {
    .section {
        padding: 60px 0;
    }

    /* 小屏继续压缩顶栏，保证电话号码完整显示 */
    .brand__logo {
        height: 32px;
    }

    .header-hotline__icon {
        width: 30px;
        height: 30px;
    }

    .header-hotline__num {
        font-size: 13px;
        letter-spacing: 0;
    }

    .section-head h2 {
        font-size: 28px;
    }

    .hero__title {
        font-size: 32px;
    }

    .hero__subtitle {
        font-size: 15px;
    }

    .hero__scroll {
        display: none;
    }

    .points,
    .project-grid,
    .card-grid,
    .stats,
    .form-grid {
        grid-template-columns: 1fr;
    }

    .case-slide {
        flex-basis: 86%;
    }

    .carousel-arrow {
        display: none;
    }

    .page-banner {
        height: 300px;
    }

    .page-banner h1 {
        font-size: 28px;
    }

    .timeline::before {
        left: 9px;
    }

    .timeline__item,
    .timeline__item:nth-child(even) {
        width: 100%;
        margin-left: 0;
        padding: 0 0 32px 34px;
        text-align: left;
    }

    .timeline__dot,
    .timeline__item:nth-child(even) .timeline__dot {
        left: 0;
        right: auto;
    }

    .store-item {
        flex-direction: column;
    }

    .store-item img {
        width: 100%;
        height: 160px;
    }
}

/* ---------- 首页大图板块（视觉优先 · 广告感） ---------- */
.band {
    position: relative;
    min-height: 82vh;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    background: var(--c-deep);
}

.band__media {
    position: absolute;
    inset: 0;
}

.band__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.04);
    transition: transform 1.8s var(--ease);
}

.band:hover .band__media img {
    transform: scale(1.1);
}

.band::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(10, 9, 8, 0.92) 0%, rgba(10, 9, 8, 0.45) 48%, rgba(10, 9, 8, 0.22) 100%);
}

.band__content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 120px 0 96px;
    color: #fff;
}

.band--right .band__content {
    text-align: right;
}

.band__eyebrow {
    font-size: 13px;
    letter-spacing: 6px;
    color: var(--c-gold);
    margin-bottom: 16px;
}

.band__rule {
    width: 90px;
    height: 2px;
    background: var(--grad-gold);
    margin-bottom: 26px;
}

.band--right .band__rule {
    margin-left: auto;
}

.band__title {
    font-size: clamp(34px, 4.6vw, 62px);
    font-weight: 600;
    line-height: 1.18;
    margin-bottom: 18px;
    text-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.band__desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.82);
    max-width: 520px;
    margin-bottom: 34px;
    letter-spacing: 1px;
}

.band--right .band__desc {
    margin-left: auto;
}

/* ---------- 实力数字窄带 ---------- */
.stats-band {
    position: relative;
    background: linear-gradient(180deg, #16120B 0%, #0A0908 100%);
    color: #fff;
    padding: 76px 0;
    text-align: center;
}

.stats-band .stats {
    margin-top: 0;
}

.stats-band .stat__num {
    color: var(--c-gold-soft);
}

/* ---------- 沉浸式预约 ---------- */
.cta-band {
    position: relative;
    overflow: hidden;
    background: var(--c-deep);
    padding: 132px 0;
    text-align: center;
    color: #fff;
}

.cta-band__media {
    position: absolute;
    inset: 0;
}

.cta-band__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-band::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(10, 9, 8, 0.94) 0%, rgba(10, 9, 8, 0.62) 100%);
}

.cta-band__inner {
    position: relative;
    z-index: 2;
}

.cta-band__title {
    font-size: clamp(30px, 3.8vw, 50px);
    font-weight: 600;
    line-height: 1.24;
    margin-bottom: 16px;
}

.cta-band__desc {
    color: rgba(255, 255, 255, 0.82);
    font-size: 17px;
    letter-spacing: 1px;
    margin-bottom: 34px;
}

/* ---------- 相邻深色通栏之间的鎏金分隔线 ---------- */
/* 首页大图板块 / 实力窄带 / 沉浸式预约都是通栏曜黑，接缝处需要显性边界 */
.band + .band::before,
.band + .stats-band::before,
.stats-band + .cta-band::before,
.band + .cta-band::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 1px;
    background: var(--grad-gold);
    opacity: 0.55;
    z-index: 3;
}

@media (max-width: 900px) {
    .band--right .band__content {
        text-align: left;
    }

    .band--right .band__desc {
        margin-left: 0;
    }

    .cta-band {
        padding: 92px 0;
    }
}

/* 手机端首页大图板块：压缩为独立卡片，避免竖版轮播后页面过长。 */
@media (max-width: 860px) {
    .band {
        display: block;
        min-height: 0;
        margin: 0;
        padding: 0;
        background: var(--c-deep);
        border: 0;
        border-radius: 0;
        overflow: hidden;
        box-shadow: none;
    }

    /* 轮播图与下方大图板块之间：用深色内边距分隔，避免露出白边造成割裂 */
    .hero + .band {
        padding-top: 22px;
    }

    .band__media {
        position: relative;
        inset: auto;
        min-height: 0;
    }

    .band__media img,
    .band:hover .band__media img {
        width: 100%;
        height: auto;
        object-fit: cover;
        object-position: center;
        transform: none;
    }

    .band::after {
        display: none;
    }

    .band__content {
        width: auto;
        padding: 22px 0 34px;
        color: #fff;
    }

    .band__eyebrow {
        margin-bottom: 10px;
        letter-spacing: 4px;
    }

    .band__rule {
        margin-bottom: 16px;
    }

    .band__title {
        font-size: clamp(26px, 7vw, 34px);
        margin-bottom: 12px;
        text-shadow: none;
    }

    .band__desc {
        max-width: none;
        margin-bottom: 22px;
        font-size: 16px;
        color: rgba(255, 255, 255, 0.82);
    }

    .band--right .band__content {
        text-align: left;
    }

    .band--right .band__rule {
        margin-left: 0;
    }

    .band--right .band__desc {
        margin-left: 0;
    }

    .stats-band {
        padding: 42px 0;
    }

    .stats-band .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px 16px;
    }

    .stats-band .stat__num {
        font-size: 30px;
    }

    .stats-band .stat__title {
        font-size: 14px;
    }

    .cta-band {
        padding: 58px 0;
    }

    .cta-band__desc {
        margin-bottom: 24px;
    }
}

/* ---------- 图标尺寸规范（防止在 flex/grid 中被拉伸） ---------- */
.icon {
    display: inline-block;
    flex: none;
    vertical-align: -0.15em;
}

.header-hotline__icon .icon {
    width: 18px;
    height: 18px;
}

.contact-row__icon .icon {
    width: 20px;
    height: 20px;
}

.video-card__play .icon {
    width: 24px;
    height: 24px;
    margin-left: 3px;
}

.btn .icon {
    width: 16px;
    height: 16px;
    vertical-align: middle;
    margin-left: 7px;
    transition: transform 0.3s var(--ease);
}

.btn:hover .icon {
    transform: translateX(3px);
}

.project-card__go .icon {
    width: 15px;
    height: 15px;
    vertical-align: middle;
    transition: transform 0.3s var(--ease);
}

.project-card:hover .project-card__go .icon {
    transform: translateX(4px);
}

.info-card__desc .icon,
.store-item .icon {
    width: 14px;
    height: 14px;
    vertical-align: -2px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}