/* ==========================================================================
   香蕉视频 · xiangjiaovid.cn
   主样式表（结构参照主流短剧落地页版式，配色为香蕉金 / 叶绿 / 米白）
   ========================================================================== */

/* ========== 全局变量与重置 ========== */
:root {
    --brand-primary: #e8a400;          /* 品牌主色：香蕉金 */
    --brand-primary-dark: #b07a00;     /* 深金 */
    --brand-secondary: #f7c948;        /* 浅香蕉黄 */
    --brand-accent: #7cb342;           /* 蕉叶绿点缀 */
    --brand-dark: #241a05;             /* 深蕉核色背景 */
    --brand-bg: #fffdf4;               /* 奶油米白背景 */
    --brand-bg-gradient: linear-gradient(145deg, #fffdf4 0%, #fff3cc 100%);
    --card-bg-light: rgba(255, 243, 204, 0.72);
    --card-bg-dark: rgba(36, 26, 5, 0.85);
    --text-primary: #241a05;
    --text-secondary: #5c4a20;
    --text-light: #8a7638;
    --border-light: rgba(232, 164, 0, 0.15);
    --shadow-sm: 0 8px 20px rgba(36, 26, 5, 0.05);
    --shadow-md: 0 16px 32px rgba(36, 26, 5, 0.07);
    --shadow-hover: 0 24px 48px rgba(232, 164, 0, 0.18);
    --radius-card: 24px;
    --radius-pill: 70px;
    --radius-sm: 16px;
    --transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1);
    --font-size-base: 17px;
    --line-height-base: 1.85;
    --nav-h: 72px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-h) + 10px);
}

body {
    font-family: 'Inter', 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
    background: var(--brand-bg-gradient);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

a {
    color: inherit;
}

/* 图标基础样式 */
.icon {
    width: 1em;
    height: 1em;
    display: inline-block;
    vertical-align: -0.125em;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex: 0 0 auto;
}

/* 粒子背景 */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.35;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 2;
}

/* ========== 固定导航栏 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 253, 244, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 12px rgba(36, 26, 5, 0.03);
    z-index: 1000;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(232, 164, 0, 0.1);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    height: 44px;
    text-decoration: none;
    color: var(--brand-dark);
}

.logo-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: transparent;
    transition: var(--transition);
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.logo-text {
    font-weight: 800;
    font-size: 20px;
    letter-spacing: 0.5px;
    color: var(--brand-dark);
}

.nav-menu {
    display: flex;
    gap: 36px;
    list-style: none;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 16px;
    transition: var(--transition);
    position: relative;
    white-space: nowrap;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--brand-primary);
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.current {
    color: var(--brand-ink);
}

.nav-menu a:hover::after,
.nav-menu a.current::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1px solid var(--border-light);
    background: rgba(255, 255, 255, 0.7);
    color: var(--brand-dark);
    font-size: 22px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

.nav-toggle .icon {
    stroke-width: 2;
}

main {
    padding-top: var(--nav-h);
}

/* ========== 首屏 Banner ========== */
.banner {
    min-height: 600px;
    height: 65vh;
    position: relative;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #fffdf4 0%, #ffeeb8 42%, #ffd85e 100%);
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: -20%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(232, 164, 0, 0.18) 0%, transparent 70%);
    border-radius: 50%;
    animation: floatGlow 18s infinite alternate ease-in-out;
    z-index: 0;
}

.banner::after {
    content: '';
    position: absolute;
    bottom: -15%;
    right: -5%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(124, 179, 66, 0.16) 0%, transparent 70%);
    border-radius: 50%;
    animation: floatGlow 22s infinite alternate-reverse ease-in-out;
    z-index: 0;
}

@keyframes floatGlow {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(40px, 30px) scale(1.1); }
}

.banner .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    width: 100%;
    z-index: 2;
    padding-top: 20px;
    padding-bottom: 20px;
}

.banner-left {
    flex: 1 1 45%;
    min-width: 300px;
}

.banner-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(8px);
    padding: 8px 20px;
    border-radius: 40px;
    font-size: 15px;
    font-weight: 600;
    color: var(--brand-ink);
    border: 1px solid rgba(232, 164, 0, 0.25);
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(36, 26, 5, 0.03);
}

.banner-tag .icon {
    font-size: 18px;
}

.banner h1 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--brand-dark);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.banner h1 .highlight {
    color: var(--brand-ink);
    background: linear-gradient(120deg, rgba(247, 201, 72, 0.55) 0%, rgba(247, 201, 72, 0.55) 40%, transparent 80%);
    padding: 0 8px;
}

.banner-desc {
    font-size: 1.1rem;
    color: #5d4a1e;
    max-width: 480px;
    margin-bottom: 24px;
    line-height: 1.7;
    opacity: 0.92;
}

.banner-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 32px;
}

.banner-tags span {
    background: rgba(255, 255, 255, 0.62);
    backdrop-filter: blur(4px);
    padding: 6px 18px;
    border-radius: 40px;
    font-size: 14px;
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.85);
    font-weight: 500;
}

.banner-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    background: linear-gradient(135deg, #f7c948 0%, #e8a400 100%);
    color: var(--brand-dark);
    border: none;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 10px 22px rgba(232, 164, 0, 0.32);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #ffd75e 0%, #f0b000 100%);
    transform: translateY(-3px);
    box-shadow: 0 16px 28px rgba(232, 164, 0, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.78);
    color: var(--brand-dark);
    border: 1px solid rgba(232, 164, 0, 0.3);
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(8px);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-secondary:hover {
    background: white;
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(36, 26, 5, 0.08);
}

.banner-right {
    flex: 1 1 45%;
    min-width: 320px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 数据面板 */
.monitor-window {
    background: var(--brand-dark);
    border-radius: 24px;
    padding: 16px 18px 18px;
    box-shadow: 0 30px 50px -20px rgba(36, 26, 5, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    width: 100%;
    max-width: 520px;
    transform: perspective(1200px) rotateY(-2deg) rotateX(1deg);
    transition: var(--transition);
}

.monitor-window:hover {
    transform: perspective(1200px) rotateY(0deg) rotateX(0deg) translateY(-4px);
    box-shadow: 0 40px 60px -20px rgba(36, 26, 5, 0.7);
}

.monitor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 16px;
}

.monitor-dots {
    display: flex;
    gap: 8px;
}

.monitor-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #6b5a2e;
}

.monitor-dots span:first-child { background: #f7c948; }
.monitor-dots span:nth-child(2) { background: #7cb342; }
.monitor-dots span:nth-child(3) { background: #e8a400; }

.monitor-title {
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
    letter-spacing: 0.5px;
}

.monitor-content {
    display: flex;
    gap: 12px;
    align-items: stretch;
}

.monitor-sidebar {
    flex: 0 0 60px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 12px;
    align-items: center;
    padding: 8px 0;
}

.monitor-sidebar .icon {
    font-size: 20px;
    color: var(--brand-secondary);
    margin-bottom: 4px;
}

.monitor-sidebar span {
    writing-mode: vertical-lr;
    letter-spacing: 2px;
    font-weight: 500;
    opacity: 0.8;
}

.monitor-center {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
}

.gauge-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: conic-gradient(var(--brand-secondary) 0% 95%, rgba(255, 255, 255, 0.1) 95% 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: gaugePulse 4s infinite alternate ease-in-out;
}

@keyframes gaugePulse {
    0% { opacity: 0.9; transform: scale(1); }
    100% { opacity: 1; transform: scale(1.02); }
}

.gauge-inner {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: var(--brand-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
}

.gauge-inner strong {
    font-size: 26px;
    color: var(--brand-secondary);
}

.gauge-inner small {
    font-size: 11px;
    opacity: 0.6;
}

.monitor-stats {
    flex: 0 0 100px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 12px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
    padding-bottom: 6px;
}

.stat-item span:last-child {
    color: var(--brand-secondary);
    font-weight: 600;
}

/* ========== 核心优势模块 ========== */
.section-advantage {
    background: var(--brand-bg-gradient);
    position: relative;
    padding: 80px 0;
    overflow: hidden;
}

.section-advantage::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 30%, rgba(232, 164, 0, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-header h2 {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--brand-dark);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.section-header h2 .dot {
    color: var(--brand-primary);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

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

.advantage-card {
    background: rgba(255, 253, 246, 0.92);
    backdrop-filter: blur(8px);
    border-radius: var(--radius-pill);
    padding: 36px 28px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.advantage-card:hover {
    transform: translateY(-8px);
    border-color: rgba(232, 164, 0, 0.35);
    box-shadow: var(--shadow-hover);
    background: #ffffff;
}

.adv-icon {
    width: 56px;
    height: 56px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(232, 164, 0, 0.14), rgba(247, 201, 72, 0.28));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: var(--brand-ink);
    margin-bottom: 24px;
}

.adv-icon .icon {
    stroke-width: 2;
}

.advantage-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--brand-dark);
    margin-bottom: 12px;
}

.advantage-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.75;
    opacity: 0.92;
}

/* ========== 精选视频模块 ========== */
.section-video {
    background: #fffdf4;
    padding: 80px 0;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 20px;
}

.video-card {
    background: rgba(255, 242, 205, 0.88);
    backdrop-filter: blur(6px);
    border-radius: var(--radius-card);
    overflow: hidden;
    border: 1px solid rgba(232, 164, 0, 0.1);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.video-card:hover {
    transform: translateY(-6px);
    border-color: rgba(232, 164, 0, 0.3);
    box-shadow: var(--shadow-hover);
}

.video-thumbnail {
    position: relative;
    padding-bottom: 56.25%;
    background: linear-gradient(145deg, #ffe9a8, #ffd45c);
    overflow: hidden;
    display: block;
}

.video-thumbnail img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.2, 0.9, 0.4, 1);
}

.video-thumbnail::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(36, 26, 5, 0.04) 0%, rgba(36, 26, 5, 0.3) 100%);
    z-index: 1;
}

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

.video-thumbnail .category-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(4px);
    padding: 5px 12px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 600;
    color: var(--brand-ink);
    display: flex;
    align-items: center;
    gap: 6px;
    z-index: 3;
}

.category-badge .icon {
    font-size: 13px;
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-ink);
    font-size: 22px;
    transition: var(--transition);
    z-index: 3;
    box-shadow: 0 8px 16px rgba(36, 26, 5, 0.18);
}

.play-btn .icon {
    margin-left: 3px;
    stroke-width: 0;
    fill: currentColor;
}

.video-card:hover .play-btn {
    transform: translate(-50%, -50%) scale(1.1);
    background: linear-gradient(135deg, #f7c948, #e8a400);
    color: var(--brand-dark);
}

.video-duration {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(36, 26, 5, 0.78);
    color: white;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    backdrop-filter: blur(4px);
    z-index: 3;
}

.video-info {
    padding: 18px 20px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.video-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--brand-dark);
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.video-desc {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.8em;
}

.video-meta {
    display: flex;
    gap: 16px;
    color: var(--text-light);
    font-size: 0.85rem;
    margin-bottom: 14px;
}

.video-meta .icon {
    margin-right: 4px;
    color: var(--brand-primary);
}

.video-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.tag-video {
    background: linear-gradient(135deg, #f7c948, #e8a400);
    color: var(--brand-dark);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.tag {
    background: #fff3cc;
    color: var(--text-secondary);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 12px;
}

/* ========== 相关资讯模块 ========== */
.section-news {
    background: #fffdf4;
    padding: 70px 0 80px;
}

.divider-short {
    width: 80px;
    height: 4px;
    background: var(--brand-primary);
    border-radius: 4px;
    margin: 16px auto 48px;
}

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

.news-card {
    background: rgba(255, 242, 205, 0.88);
    backdrop-filter: blur(6px);
    border-radius: var(--radius-card);
    padding: 24px 22px 22px;
    border: 1px solid rgba(232, 164, 0, 0.1);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    min-height: 240px;
}

.news-card:hover {
    transform: translateY(-6px);
    border-color: rgba(232, 164, 0, 0.3);
    box-shadow: var(--shadow-hover);
}

.news-date {
    font-size: 0.8rem;
    color: var(--brand-ink);
    font-weight: 500;
    margin-bottom: 10px;
    letter-spacing: 0.3px;
    opacity: 0.9;
}

.news-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--brand-dark);
    line-height: 1.5;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 3.3em;
}

.news-desc {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 18px;
}

.news-link {
    margin-top: auto;
    font-size: 0.9rem;
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.news-link:hover {
    color: var(--brand-ink);
}

/* ========== FAQ模块 ========== */
.section-faq {
    padding: 80px 0;
    background: var(--brand-bg-gradient);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.faq-item {
    background: rgba(255, 253, 246, 0.92);
    backdrop-filter: blur(8px);
    border-radius: var(--radius-card);
    border: 1px solid rgba(232, 164, 0, 0.12);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(232, 164, 0, 0.3);
    box-shadow: var(--shadow-hover);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 22px 26px;
    cursor: pointer;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--brand-ink);
    transition: var(--transition);
    user-select: none;
    line-height: 1.5;
}

.faq-question > .icon:first-child {
    color: var(--brand-primary);
    font-size: 1.3rem;
    width: 28px;
    stroke-width: 2;
}

.faq-question .arrow {
    margin-left: auto;
    transition: var(--transition);
    color: var(--text-light);
    font-size: 1.1rem;
}

.faq-item.active .faq-question .arrow {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 26px 24px 68px;
    display: none;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-answer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.faq-answer li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 8px;
}

.faq-answer li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--brand-primary);
    font-weight: 700;
    font-size: 1.2rem;
}

/* ========== 评论留言模块 ========== */
.section-comment {
    padding: 80px 0;
    background: #fffdf4;
}

.comment-wrapper {
    background: rgba(255, 242, 205, 0.75);
    backdrop-filter: blur(8px);
    border-radius: 32px;
    padding: 36px 32px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(232, 164, 0, 0.1);
    display: flex;
    gap: 36px;
}

.comment-form {
    flex: 0 0 340px;
    background: rgba(255, 251, 240, 0.85);
    border-radius: var(--radius-card);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    height: fit-content;
}

.comment-form input,
.comment-form textarea {
    width: 100%;
    padding: 14px 18px;
    border-radius: 40px;
    border: 1px solid rgba(232, 164, 0, 0.16);
    background: white;
    font-family: inherit;
    font-size: 15px;
    color: var(--text-primary);
    outline: none;
    transition: var(--transition);
}

.comment-form input:focus,
.comment-form textarea:focus {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(232, 164, 0, 0.12);
}

.comment-form textarea {
    border-radius: 24px;
    resize: vertical;
    min-height: 120px;
}

.comment-form .btn-submit {
    background: linear-gradient(135deg, #f7c948 0%, #e8a400 100%);
    color: var(--brand-dark);
    border: none;
    border-radius: 40px;
    padding: 14px 24px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 8px;
    box-shadow: 0 10px 22px rgba(232, 164, 0, 0.28);
}

.comment-form .btn-submit:hover {
    background: linear-gradient(135deg, #ffd75e, #f0b000);
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(232, 164, 0, 0.34);
}

.comment-form .btn-submit .icon {
    stroke-width: 2.2;
}

.comment-list {
    flex: 1;
    max-height: 540px;
    overflow-y: auto;
    padding-right: 8px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    scrollbar-width: thin;
    scrollbar-color: rgba(232, 164, 0, 0.35) transparent;
}

.comment-list::-webkit-scrollbar {
    width: 5px;
}

.comment-list::-webkit-scrollbar-thumb {
    background: rgba(232, 164, 0, 0.35);
    border-radius: 10px;
}

.comment-card {
    background: rgba(255, 252, 240, 0.96);
    border-radius: 20px;
    padding: 18px 20px;
    border: 1px solid rgba(232, 164, 0, 0.08);
    transition: var(--transition);
}

.comment-card:hover {
    border-color: rgba(232, 164, 0, 0.18);
    box-shadow: var(--shadow-sm);
}

.comment-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.comment-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-secondary), var(--brand-primary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-dark);
    font-weight: 700;
    font-size: 14px;
}

.username {
    font-weight: 600;
    color: var(--brand-dark);
    font-size: 14px;
}

.comment-time {
    font-size: 11px;
    color: var(--text-light);
    white-space: nowrap;
}

.comment-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(232, 164, 0, 0.12);
    color: var(--brand-ink);
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 500;
    margin-bottom: 8px;
}

.comment-tag .icon {
    font-size: 11px;
}

.comment-body {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
    word-break: break-word;
}

.comment-actions {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-light);
}

.comment-actions span {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    transition: var(--transition);
}

.comment-actions span:hover {
    color: var(--brand-ink);
}

/* ========== 内页通用 ========== */
.page-hero {
    position: relative;
    padding: 72px 0 64px;
    background: linear-gradient(135deg, #fffdf4 0%, #fff0bf 55%, #ffe27a 100%);
    overflow: hidden;
    border-bottom: 1px solid rgba(232, 164, 0, 0.12);
}

.page-hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 560px;
    height: 560px;
    background: radial-gradient(circle, rgba(232, 164, 0, 0.16) 0%, transparent 70%);
    border-radius: 50%;
}

.page-hero h1 {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--brand-dark);
    letter-spacing: -0.02em;
    margin: 14px 0 12px;
}

.page-hero p {
    color: #5d4a1e;
    max-width: 720px;
    font-size: 1.05rem;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--brand-ink);
}

.breadcrumb .sep {
    color: var(--text-light);
}

.page-section {
    padding: 64px 0 80px;
    background: var(--brand-bg-gradient);
}

.prose-card {
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(232, 164, 0, 0.12);
    border-radius: 28px;
    padding: 44px 46px;
    box-shadow: var(--shadow-md);
    max-width: 940px;
    margin: 0 auto;
}

.prose-card h2 {
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--brand-dark);
    margin: 34px 0 12px;
    padding-left: 14px;
    border-left: 5px solid var(--brand-primary);
    line-height: 1.4;
}

.prose-card h2:first-child {
    margin-top: 0;
}

.prose-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--brand-dark);
    margin: 22px 0 8px;
}

.prose-card p {
    color: var(--text-secondary);
    margin-bottom: 14px;
}

.prose-card ul {
    margin: 0 0 16px 0;
    padding-left: 22px;
    color: var(--text-secondary);
}

.prose-card li {
    margin-bottom: 8px;
}

.prose-card strong {
    color: var(--brand-dark);
}

.prose-card .note {
    background: rgba(247, 201, 72, 0.18);
    border: 1px solid rgba(232, 164, 0, 0.22);
    border-radius: 18px;
    padding: 18px 22px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 20px 0;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
    margin-top: 22px;
}

.info-card {
    background: rgba(255, 243, 204, 0.6);
    border: 1px solid rgba(232, 164, 0, 0.14);
    border-radius: 20px;
    padding: 22px 24px;
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.info-card .info-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.info-card .info-label .icon {
    color: var(--brand-primary-dark);
    font-size: 15px;
}

.info-card .info-value {
    font-weight: 700;
    color: var(--brand-dark);
    font-size: 1.05rem;
    word-break: break-all;
}

.info-card a.info-value {
    text-decoration: none;
}

.info-card a.info-value:hover {
    color: var(--brand-ink);
}

.cta-band {
    background: linear-gradient(135deg, #fff3cc 0%, #ffdf78 100%);
    border: 1px solid rgba(232, 164, 0, 0.25);
    border-radius: 28px;
    padding: 34px 38px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.cta-band h3 {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--brand-dark);
    margin-bottom: 6px;
}

.cta-band p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ========== 页脚 ========== */
footer {
    background: var(--brand-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 44px 0 36px;
    text-align: center;
    font-size: 14px;
}

footer .container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 4px;
    text-decoration: none;
    color: #fff;
}

.footer-logo img {
    width: 34px;
    height: 34px;
    border-radius: 9px;
}

.footer-logo span {
    font-weight: 800;
    font-size: 17px;
    letter-spacing: 0.5px;
}

footer a {
    color: var(--brand-secondary);
    text-decoration: none;
    transition: var(--transition);
}

footer a:hover {
    color: #ffe27a;
}

.footer-links {
    display: flex;
    gap: 8px 18px;
    flex-wrap: wrap;
    justify-content: center;
    color: rgba(255, 255, 255, 0.45);
}

.footer-note {
    font-size: 12.5px;
    color: rgba(255, 255, 255, 0.45);
    line-height: 1.8;
    max-width: 760px;
}

/* 返回顶部 */
.to-top {
    position: fixed;
    right: 22px;
    bottom: 26px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: none;
    background: var(--brand-dark);
    color: var(--brand-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 900;
    box-shadow: 0 12px 26px rgba(36, 26, 5, 0.28);
}

.to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.to-top:hover {
    background: var(--brand-primary);
    color: var(--brand-dark);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .advantage-grid { grid-template-columns: repeat(2, 1fr); }
    .video-grid { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
    .nav-toggle { display: inline-flex; }

    .nav-menu {
        position: absolute;
        top: var(--nav-h);
        left: 0;
        width: 100%;
        background: rgba(255, 253, 244, 0.98);
        backdrop-filter: blur(14px);
        flex-direction: column;
        gap: 0;
        padding: 10px 24px 18px;
        box-shadow: 0 18px 30px rgba(36, 26, 5, 0.08);
        border-bottom: 1px solid rgba(232, 164, 0, 0.15);
        display: none;
    }

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

    .nav-menu li a {
        display: block;
        padding: 13px 0;
        border-bottom: 1px dashed rgba(232, 164, 0, 0.18);
        font-size: 15.5px;
    }

    .nav-menu li:last-child a { border-bottom: none; }

    .nav-menu a::after { display: none; }
}

@media (max-width: 768px) {
    :root { --font-size-base: 16px; --nav-h: 64px; }

    .banner {
        height: auto;
        min-height: 0;
        padding: 26px 0 34px;
    }

    .banner .container {
        flex-direction: column;
        padding-top: 6px;
        padding-bottom: 6px;
        gap: 28px;
    }

    .banner h1 { font-size: 2.35rem; }
    .banner-desc { font-size: 1rem; }
    .banner-tags { margin-bottom: 24px; }

    .btn-primary,
    .btn-secondary {
        padding: 13px 24px;
        font-size: 15px;
    }

    .monitor-window {
        transform: none;
        max-width: 100%;
        padding: 12px 14px 14px;
    }

    .monitor-content { gap: 8px; }
    .monitor-sidebar { flex: 0 0 40px; }
    .monitor-stats { flex: 0 0 88px; font-size: 11px; }

    .gauge-circle {
        width: 104px;
        height: 104px;
    }

    .gauge-inner {
        width: 78px;
        height: 78px;
    }

    .gauge-inner strong { font-size: 22px; }
    .gauge-inner small { font-size: 10px; }

    .monitor-window:hover { transform: translateY(-2px); }

    .advantage-grid,
    .video-grid,
    .news-grid { grid-template-columns: 1fr; }

    .section-advantage,
    .section-video,
    .section-faq,
    .section-comment { padding: 56px 0; }

    .section-news { padding: 50px 0 56px; }
    .section-header { margin-bottom: 36px; }
    .section-header h2 { font-size: 1.85rem; }
    .section-header p { font-size: 1rem; }

    .advantage-card {
        border-radius: 30px;
        padding: 28px 24px;
    }

    .comment-wrapper {
        flex-direction: column;
        padding: 22px 16px;
        border-radius: 24px;
        gap: 22px;
    }

    .comment-form {
        flex: 1 1 auto;
        width: 100%;
        padding: 22px 18px;
    }

    .comment-list { max-height: 460px; }

    .faq-question {
        padding: 18px 20px;
        font-size: 1rem;
        gap: 10px;
    }

    .faq-answer { padding: 0 20px 20px 54px; }

    .page-hero { padding: 46px 0 40px; }
    .page-hero h1 { font-size: 1.9rem; }
    .prose-card { padding: 26px 20px; border-radius: 22px; }
    .prose-card h2 { font-size: 1.3rem; }
    .info-grid { grid-template-columns: 1fr; }
    .cta-band { padding: 24px 22px; border-radius: 22px; }
    .to-top { right: 14px; bottom: 18px; }
}

/* 淡入动画 */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s forwards;
}

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

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* 可访问性：尊重系统减少动效设置 */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .fade-in,
    .banner::before,
    .banner::after,
    .gauge-circle {
        animation: none;
        opacity: 1;
        transform: none;
    }
    .video-card:hover .video-thumbnail img { transform: none; }
}