/* =========================================
   周边商城 - 队服系列
   加载于 index.css 之后
   ========================================= */

/* === 逐页滚动 === */
html {
    scroll-snap-type: y mandatory;
    scroll-behavior: smooth;
}

/* === 左侧目录导航 === */
.section-nav {
    position: fixed;
    left: 2rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 90;
}

.section-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    position: relative;
    padding: 0.5rem 0;
}

/* 连接线 — 穿过所有圆点中心 (圆点10px，中心在5px处) */
.section-nav ul::before {
    content: '';
    position: absolute;
    top: 12px;
    bottom: 12px;
    left: 5px;
    width: 1px;
    background: rgba(0, 0, 0, 0.1);
    pointer-events: none;
}

.section-nav li {
    position: relative;
    z-index: 1;
    padding: 0.6rem 0;
}

.nav-dot {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    position: relative;
}

/* 圆点 */
.nav-dot::before {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.25);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
}

/* 标签 - 始终显示，通过颜色、透明度、大小区分 */
.nav-dot::after {
    content: attr(data-label);
    font-size: 0.73rem;
    font-weight: 500;
    color: rgba(0, 0, 0, 0.25);
    white-space: nowrap;
    transition: all 0.35s ease;
    pointer-events: none;
}

.nav-dot:hover::before {
    background: #10B981;
    transform: scale(1.3);
}

.nav-dot:hover::after {
    color: rgba(0, 0, 0, 0.5);
    font-size: 0.78rem;
}

.nav-dot.active::before {
    background: #10B981;
    transform: scale(1.4);
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.5);
}

.nav-dot.active::after {
    color: #10B981;
    font-weight: 700;
    font-size: 0.85rem;
}

/* 深色模式 */
body.dark-mode .section-nav ul::before {
    background: rgba(255, 255, 255, 0.15);
}

body.dark-mode .nav-dot::before {
    background: rgba(255, 255, 255, 0.3);
}

body.dark-mode .nav-dot::after {
    color: rgba(255, 255, 255, 0.25);
}

body.dark-mode .nav-dot:hover::before {
    background: #34D399;
}

body.dark-mode .nav-dot:hover::after {
    color: rgba(255, 255, 255, 0.55);
}

body.dark-mode .nav-dot.active::before {
    background: #34D399;
    box-shadow: 0 0 12px rgba(52, 211, 153, 0.5);
}

body.dark-mode .nav-dot.active::after {
    color: #34D399;
    font-weight: 700;
}

/* === 导航栏固定 === */
.fixed-header-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

body.dark-mode .fixed-header-wrapper {
    background-color: rgba(24, 24, 27, 0.85);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

/* ========================================
   Hero 开场
   ======================================== */

.hero-store {
    height: 100vh;
    width: 100%;
    scroll-snap-align: start;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    text-align: center;
    background-image: url('/images/surroundings.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(24, 24, 27, 0.5) 0%,
        rgba(24, 24, 27, 0.7) 50%,
        rgba(24, 24, 27, 0.95) 100%
    );
}

.hero-store-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.hero-store-eyebrow {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #34D399;
}

.hero-store h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    color: #FFFFFF;
    line-height: 1.1;
}

.hero-store-tagline {
    font-size: 1.25rem;
    color: #A0A0A0;
    font-weight: 400;
}

.hero-scroll-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: #6B7280;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    animation: floatDown 2s ease-in-out infinite;
}

.hero-scroll-hint span {
    font-size: 1.2rem;
}

@keyframes floatDown {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.6; }
    50% { transform: translateX(-50%) translateY(8px); opacity: 1; }
}

/* ========================================
   选择器 + 详情 并排容器
   ======================================== */

.picker-layout {
    max-width: 1200px;
    min-height: 100vh;
    margin: 0 auto;
    padding: 5rem 2rem 3rem;
    display: flex;
    gap: 2.5rem;
    align-items: center;
    scroll-snap-align: start;
}

/* ========================================
   左侧: 选择器
   ======================================== */

.picker-side {
    flex: 0 0 200px;
    position: sticky;
    top: 100px;
}

.picker-header {
    margin-bottom: 1.25rem;
}

.picker-header h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: #111827;
    margin-bottom: 0.25rem;
}

body.dark-mode .picker-header h2 {
    color: #F9FAFB;
}

.picker-header p {
    font-size: 0.85rem;
    color: #6B7280;
}

body.dark-mode .picker-header p {
    color: #A0A0A0;
}

.uniform-grid {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

/* 选择条目 — 纯文字行 */
.uniform-card {
    background: none;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.55rem 0.75rem;
    color: #6B7280;
}

body.dark-mode .uniform-card {
    color: #A0A0A0;
}

.uniform-card:hover {
    background: rgba(0,0,0,0.04);
    color: #111827;
}

body.dark-mode .uniform-card:hover {
    background: rgba(255,255,255,0.06);
    color: #F9FAFB;
}

.uniform-card.active {
    background: rgba(52, 211, 153, 0.12);
    color: #111827;
    font-weight: 600;
}

body.dark-mode .uniform-card.active {
    background: rgba(52, 211, 153, 0.15);
    color: #34D399;
}

.uniform-card .robot-icon {
    font-size: 1.05rem;
    line-height: 1;
    flex-shrink: 0;
    width: 1.4em;
    text-align: center;
}

.uniform-card h4 {
    font-size: 0.88rem;
    font-weight: inherit;
    color: inherit;
    line-height: 1.3;
    white-space: nowrap;
}

/* ========================================
   右侧: 详情面板 (始终可见)
   ======================================== */

.detail-side {
    flex: 1;
    min-width: 0;
    position: sticky;
    top: 100px;
}

.detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: start;
    background: #ffffff;
    border: 1px solid #E5E7EB;
    border-radius: 20px;
    padding: 2rem;
}

body.dark-mode .detail-content {
    background: #27272A;
    border-color: #3F3F46;
}

/* 详情轮播 */
.detail-gallery {
    width: 100%;
    aspect-ratio: 3 / 4;
    border-radius: 14px;
    overflow: hidden;
    position: relative;
    background-color: #3F3F46;
}

.detail-gallery .carousel {
    width: 100%;
    height: 100%;
    position: relative;
}

.detail-gallery .slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    background-color: #3F3F46;
    opacity: 0;
    transform: scale(1.06);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity, transform;
}

.detail-gallery .slide.active {
    opacity: 1;
    transform: scale(1);
    z-index: 2;
}

.detail-gallery .slide.leaving {
    opacity: 0;
    transform: scale(0.96);
    z-index: 1;
}

.detail-gallery .carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    font-size: 1.1rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    backdrop-filter: blur(4px);
    z-index: 2;
    display: grid;
    place-items: center;
    transition: background 0.3s;
}

.detail-gallery .carousel-btn:hover {
    background: rgba(255,255,255,0.5);
}

.detail-gallery .prev { left: 10px; }
.detail-gallery .next { right: 10px; }

.detail-gallery .carousel-dots {
    position: absolute;
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 7px;
    z-index: 2;
}

.detail-gallery .dot {
    width: 7px; height: 7px;
    background: rgba(255,255,255,0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
}

.detail-gallery .dot.active {
    background: #fff;
    transform: scale(1.3);
}

/* 详情文字 */
.detail-info {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.detail-badge {
    display: inline-block;
    background: linear-gradient(90deg, #A855F7, #3B82F6);
    color: white;
    padding: 0.35rem 0.85rem;
    border-radius: 99px;
    font-size: 0.8rem;
    font-weight: 600;
    align-self: flex-start;
    line-height: 1.2;
}

body.dark-mode .detail-badge {
    background: #34D399;
    color: #18181B;
}

.detail-name {
    font-size: 1.75rem;
    font-weight: 800;
    color: #111827;
    line-height: 1.1;
}

body.dark-mode .detail-name {
    color: #F9FAFB;
}

.detail-subtitle {
    font-size: 0.9rem;
    color: #6B7280;
    font-weight: 500;
    margin-top: -0.3rem;
}

body.dark-mode .detail-subtitle {
    color: #A0A0A0;
}

.detail-price {
    font-size: 1.75rem;
    font-weight: 800;
    color: #111827;
}

body.dark-mode .detail-price {
    color: #34D399;
}

.detail-info .info-block h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
    color: #374151;
}

body.dark-mode .detail-info .info-block h4 {
    color: #E5E7EB;
}

.detail-info .info-block p {
    color: #4B5563;
    font-size: 0.85rem;
    line-height: 1.65;
}

body.dark-mode .detail-info .info-block p {
    color: #D1D5DB;
}

/* 尺码标签 */
.size-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.size-tags span {
    background-color: #F3F4F6;
    color: #4B5563;
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 500;
    border: 1px solid #E5E7EB;
}

body.dark-mode .size-tags span {
    background-color: #18181B;
    color: #D1D5DB;
    border-color: #3F3F46;
}

/* ========================================
   尺码指南
   ======================================== */

.specs-section {
    min-height: 100vh;
    padding: 6rem 2rem;
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    scroll-snap-align: start;
}

.section-heading {
    font-size: 1.5rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 2rem;
    text-align: center;
}

body.dark-mode .section-heading {
    color: #F9FAFB;
}

.table-container {
    width: 100%;
    overflow-x: auto;
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    background-color: #F9FAFB;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

body.dark-mode .table-container {
    background-color: #27272A;
    border-color: #3F3F46;
}

.table-container table {
    width: 100%;
    border-collapse: collapse;
    min-width: 500px;
}

.table-container th {
    background-color: #F3F4F6;
    font-weight: 600;
    font-size: 0.85rem;
    color: #374151;
    padding: 0.9rem 1.1rem;
    text-align: left;
    white-space: nowrap;
    transition: background-color 0.3s ease, color 0.3s ease;
}

body.dark-mode .table-container th {
    background-color: #3F3F46;
    color: #E5E7EB;
}

.table-container td {
    padding: 0.8rem 1.1rem;
    font-size: 0.85rem;
    color: #4B5563;
    border-top: 1px solid #E5E7EB;
    white-space: nowrap;
    transition: color 0.3s ease, border-color 0.3s ease;
}

body.dark-mode .table-container td {
    color: #D1D5DB;
    border-top-color: #3F3F46;
}

.table-container tr:hover td {
    background-color: rgba(0,0,0,0.02);
}

body.dark-mode .table-container tr:hover td {
    background-color: rgba(255,255,255,0.02);
}

/* ========================================
   购买入口
   ======================================== */

.buy-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem;
    scroll-snap-align: start;
}

.buy-container {
    display: flex;
    align-items: center;
    gap: 3rem;
    max-width: 1000px;
    background: #ffffff;
    border: 1px solid #E5E7EB;
    border-radius: 24px;
    padding: 3rem;
}

body.dark-mode .buy-container {
    background: #27272A;
    border-color: #3F3F46;
}

.buy-qr-group {
    display: flex;
    gap: 2rem;
    flex-shrink: 0;
}

.buy-qr {
    flex-shrink: 0;
    text-align: center;
}

.buy-qr img {
    width: 220px;
    height: auto;
    border-radius: 12px;
    display: block;
}

body.dark-mode .buy-qr img {
    background: #3F3F46;
}

.buy-qr-hint {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: #6B7280;
}

body.dark-mode .buy-qr-hint {
    color: #A0A0A0;
}

.buy-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.buy-info h2 {
    font-size: 2rem;
    font-weight: 800;
    color: #111827;
}

body.dark-mode .buy-info h2 {
    color: #F9FAFB;
}

.buy-info p {
    font-size: 1rem;
    color: #6B7280;
    line-height: 1.6;
}

body.dark-mode .buy-info p {
    color: #A0A0A0;
}

.buy-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    align-self: flex-start;
    background: #4338CA;
    color: #ffffff;
    padding: 0.7rem 1.75rem;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s ease;
}

.buy-link:hover {
    background: #3730A3;
}

body.dark-mode .buy-link {
    background: #34D399;
    color: #18181B;
}

body.dark-mode .buy-link:hover {
    background: #10B981;
}

/* 移动端 */
@media (max-width: 860px) {
    .buy-section {
        min-height: auto;
    }

    .buy-container {
        flex-direction: column;
        gap: 2rem;
        padding: 2rem;
        text-align: center;
    }

    .buy-qr-group {
        flex-direction: column;
        gap: 1.5rem;
    }

    .buy-info {
        align-items: center;
    }

    .buy-link {
        align-self: center;
    }
}

/* ========================================
   结尾艺术字 TBC
   ======================================== */

.tbc-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 2rem 5rem;
    scroll-snap-align: start;
}

.tbc-container {
    padding: 2rem;
    animation: fadeInUp 1s ease-out forwards;
    opacity: 0;
    transform: translateY(20px);
}

.artistic-text {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 0;
    line-height: 1.1;
    background: linear-gradient(135deg, #A855F7 0%, #3B82F6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    filter: drop-shadow(0 10px 20px rgba(59, 130, 246, 0.2));
    animation: breathing 3s ease-in-out infinite;
}

.tbc-sub {
    font-size: 1.2rem;
    color: #6B7280;
    margin-top: 1.5rem;
    letter-spacing: 0.3em;
    font-weight: 500;
}

.tbc-line {
    width: 60px;
    height: 4px;
    background: #E5E7EB;
    margin: 2rem auto 0;
    border-radius: 2px;
}

body.dark-mode .artistic-text {
    background: linear-gradient(135deg, #34D399 0%, #10B981 100%);
    -webkit-background-clip: text;
    background-clip: text;
    filter: drop-shadow(0 0 25px rgba(16, 185, 129, 0.4));
    animation-name: breathingDark;
}

body.dark-mode .tbc-sub {
    color: #9CA3AF;
}

body.dark-mode .tbc-line {
    background: #3F3F46;
}

@keyframes breathing {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 10px 20px rgba(59, 130, 246, 0.2));
    }
    50% {
        transform: scale(1.05);
        filter: drop-shadow(0 15px 30px rgba(168, 85, 247, 0.4));
    }
}

@keyframes breathingDark {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 0 25px rgba(16, 185, 129, 0.4));
    }
    50% {
        transform: scale(1.05);
        filter: drop-shadow(0 0 40px rgba(52, 211, 153, 0.6));
    }
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   响应式
   ======================================== */

/* 中等屏幕: 选择器变窄 + 详情单列 */
@media (max-width: 1100px) {
    .detail-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .detail-gallery {
        max-width: 360px;
        margin: 0 auto;
    }
}

/* 平板: 选择器和详情纵向堆叠 */
@media (max-width: 860px) {
    html {
        scroll-snap-type: y proximity;
    }

    .section-nav {
        display: none;
    }

    .picker-layout,
    .specs-section,
    .tbc-section {
        min-height: auto;
    }

    .picker-layout {
        flex-direction: column;
        gap: 1.5rem;
    }

    .picker-side {
        flex: none;
        width: 100%;
        position: static;
    }

    .uniform-grid {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.35rem;
    }

    .uniform-card {
        padding: 0.4rem 0.65rem;
    }

    .uniform-card h4 {
        font-size: 0.8rem;
    }

    .detail-side {
        width: 100%;
        position: static;
    }

    .detail-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

/* 手机 */
@media (max-width: 600px) {
    .picker-layout {
        padding: 3rem 1rem 2rem;
    }

    .uniform-grid {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .uniform-card {
        padding: 0.35rem 0.55rem;
        gap: 0.4rem;
        border-radius: 8px;
    }

    .uniform-card h4 {
        font-size: 0.75rem;
    }

    .uniform-card .robot-icon {
        font-size: 0.9rem;
    }

    .detail-content {
        grid-template-columns: 1fr;
        gap: 1.25rem;
        padding: 1.25rem;
    }

    .detail-gallery {
        max-width: 300px;
        margin: 0 auto;
    }

    .detail-name {
        font-size: 1.4rem;
    }

    .detail-price {
        font-size: 1.4rem;
    }

    .hero-store h1 {
        font-size: 2.25rem;
    }

    .hero-store-tagline {
        font-size: 1rem;
    }

    .specs-section {
        padding: 2rem 1rem 4rem;
    }

    .container {
        padding: 0 1rem;
    }
}