/* ========================================
   企服通 - 企业申报服务平台
   全站样式表
   ======================================== */

/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: #2d3436;
    background: #f0f2f5;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

ul, ol { list-style: none; }

button {
    border: none;
    outline: none;
    cursor: pointer;
    font-family: inherit;
    background: none;
}

input {
    border: none;
    outline: none;
    font-family: inherit;
}

/* ===== CSS Variables ===== */
:root {
    --c-primary: #0d3b66;
    --c-primary-dark: #082a4a;
    --c-primary-light: #1565a8;
    --c-secondary: #00a8a8;
    --c-secondary-dark: #008080;
    --c-accent: #f4a261;
    --c-accent-dark: #e08a3e;
    --c-danger: #e63946;
    --c-text: #2d3436;
    --c-text-light: #636e72;
    --c-text-lighter: #b2bec3;
    --c-bg: #f0f2f5;
    --c-bg-alt: #e8edf3;
    --c-white: #ffffff;
    --c-border: #e3e8ee;
    --c-border-light: #eef1f5;

    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --shadow-xs: 0 1px 3px rgba(13,59,102,0.05);
    --shadow-sm: 0 2px 10px rgba(13,59,102,0.06);
    --shadow-md: 0 6px 24px rgba(13,59,102,0.1);
    --shadow-lg: 0 12px 40px rgba(13,59,102,0.15);
    --shadow-xl: 0 20px 60px rgba(13,59,102,0.2);

    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
    --container: 1200px;
}

/* ===== Container ===== */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Section Title ===== */
.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--c-primary);
    position: relative;
    display: inline-block;
    padding-bottom: 14px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 4px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--c-secondary), var(--c-accent));
}

.section-title p {
    margin-top: 12px;
    color: var(--c-text-light);
    font-size: 15px;
}

.section-title--left {
    text-align: left;
}

.section-title--left h2::after {
    left: 0;
    transform: none;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--c-secondary), var(--c-secondary-dark));
    color: var(--c-white);
    box-shadow: 0 4px 14px rgba(0,168,168,0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,168,168,0.45);
}

.btn-outline {
    background: transparent;
    color: var(--c-white);
    border: 2px solid rgba(255,255,255,0.5);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.12);
    border-color: var(--c-white);
}

.btn-accent {
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-dark));
    color: var(--c-white);
    box-shadow: 0 4px 14px rgba(244,162,97,0.35);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(244,162,97,0.45);
}

/* ===== Tag / Badge ===== */
.tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: var(--radius-xs);
    font-size: 12px;
    font-weight: 600;
    line-height: 1.5;
}

.tag-primary { background: var(--c-primary); color: var(--c-white); }
.tag-secondary { background: var(--c-secondary); color: var(--c-white); }
.tag-accent { background: var(--c-accent); color: var(--c-white); }
.tag-light { background: var(--c-primary-light); color: var(--c-white); }
.tag-outline {
    background: transparent;
    border: 1px solid var(--c-border);
    color: var(--c-text-light);
}

/* ========================================
   HEADER
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-top {
    background: var(--c-primary);
    color: rgba(255,255,255,0.85);
    font-size: 13px;
}

.header-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 36px;
}

.header-top span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.header-top svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.header-top .top-links {
    display: flex;
    gap: 20px;
}

.header-top .top-links a:hover {
    color: var(--c-accent);
}

.header-main {
    border-bottom: 1px solid var(--c-border-light);
    transition: var(--transition);
}

.header.scrolled .header-main {
    border-bottom-color: transparent;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    transition: var(--transition);
}

.header.scrolled .header-inner {
    height: 60px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,168,168,0.3);
    transition: var(--transition);
}

.logo:hover .logo-icon {
    transform: rotate(-8deg) scale(1.05);
}

.logo-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--c-white);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-text strong {
    font-size: 20px;
    font-weight: 800;
    color: var(--c-primary);
    letter-spacing: 1px;
}

.logo-text small {
    font-size: 11px;
    color: var(--c-text-lighter);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Nav */
.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: 4px;
}

.nav-list > li > a {
    display: flex;
    align-items: center;
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--c-text);
    border-radius: var(--radius-sm);
    position: relative;
    transition: var(--transition-fast);
}

.nav-list > li > a::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 3px;
    border-radius: 2px;
    background: var(--c-secondary);
    transition: transform 0.3s ease;
}

.nav-list > li > a:hover,
.nav-list > li > a.active {
    color: var(--c-secondary);
}

.nav-list > li > a:hover::after,
.nav-list > li > a.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    color: var(--c-text);
}

.icon-btn:hover {
    background: var(--c-bg-alt);
    color: var(--c-secondary);
}

.icon-btn svg {
    width: 20px;
    height: 20px;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-dark));
    border-radius: var(--radius-sm);
    color: var(--c-white);
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 3px 10px rgba(244,162,97,0.3);
    transition: var(--transition);
}

.header-phone:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 14px rgba(244,162,97,0.4);
}

.header-phone svg {
    width: 16px;
    height: 16px;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 40px;
    height: 40px;
    justify-content: center;
    align-items: center;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--c-text);
    border-radius: 2px;
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Search Bar */
.search-bar {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    background: var(--c-white);
    border-top: 1px solid transparent;
}

.search-bar.open {
    max-height: 70px;
    border-top-color: var(--c-border-light);
}

.search-bar .container {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 12px;
    padding-bottom: 12px;
}

.search-bar input {
    flex: 1;
    padding: 10px 16px;
    border: 2px solid var(--c-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    transition: var(--transition-fast);
}

.search-bar input:focus {
    border-color: var(--c-secondary);
}

.search-bar button {
    padding: 10px 24px;
    background: var(--c-secondary);
    color: var(--c-white);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition-fast);
}

.search-bar button:hover {
    background: var(--c-secondary-dark);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    position: relative;
    padding-top: 108px;
    background: linear-gradient(135deg, #0d3b66 0%, #1565a8 40%, #00a8a8 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        radial-gradient(circle at 15% 30%, rgba(244,162,97,0.12) 0%, transparent 40%),
        radial-gradient(circle at 85% 70%, rgba(255,255,255,0.06) 0%, transparent 50%);
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 80px;
    background: var(--c-bg);
    clip-path: polygon(0 100%, 100% 100%, 100% 30%, 100% 30%, 75% 65%, 50% 35%, 25% 65%, 0 30%);
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 60px 20px 100px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-text h1 {
    font-size: 40px;
    font-weight: 800;
    color: var(--c-white);
    line-height: 1.3;
    margin-bottom: 16px;
}

.hero-text h1 .highlight {
    color: var(--c-accent);
    position: relative;
}

.hero-text .subtitle {
    font-size: 18px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 28px;
    line-height: 1.6;
}

.hero-text .hero-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}

.hero-text .hero-tags span {
    padding: 6px 14px;
    border-radius: 20px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    color: rgba(255,255,255,0.9);
    font-size: 13px;
    backdrop-filter: blur(4px);
}

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

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 340px;
}

.hero-card {
    position: absolute;
    background: rgba(255,255,255,0.95);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    gap: 14px;
    animation: floatCard 4s ease-in-out infinite;
}

.hero-card:nth-child(1) {
    top: 20px;
    left: 0;
    animation-delay: 0s;
}

.hero-card:nth-child(2) {
    top: 130px;
    right: 30px;
    animation-delay: 1s;
}

.hero-card:nth-child(3) {
    bottom: 20px;
    left: 40px;
    animation-delay: 2s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.hero-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.hero-card-icon svg {
    width: 26px;
    height: 26px;
    fill: var(--c-white);
}

.hero-card-icon.bg-1 { background: linear-gradient(135deg, #00a8a8, #008080); }
.hero-card-icon.bg-2 { background: linear-gradient(135deg, #f4a261, #e08a3e); }
.hero-card-icon.bg-3 { background: linear-gradient(135deg, #6c5ce7, #5a4bd1); }

.hero-card-text strong {
    display: block;
    font-size: 15px;
    color: var(--c-primary);
    font-weight: 700;
}

.hero-card-text span {
    font-size: 12px;
    color: var(--c-text-light);
}

/* Hero Stats */
.hero-stats {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 0 20px 50px;
    max-width: var(--container);
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    transition: var(--transition);
}

.stat-item:hover {
    background: rgba(255,255,255,0.18);
    transform: translateY(-4px);
}

.stat-num {
    display: block;
    font-size: 32px;
    font-weight: 800;
    color: var(--c-accent);
    line-height: 1.2;
}

.stat-label {
    font-size: 14px;
    color: rgba(255,255,255,0.75);
}

/* ========================================
   CATEGORIES SECTION
   ======================================== */
.categories {
    padding: 80px 0;
}

.cat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.cat-card {
    position: relative;
    background: var(--c-white);
    border-radius: var(--radius-md);
    padding: 36px 28px 28px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
    border-top: 4px solid transparent;
}

.cat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--c-secondary), var(--c-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.cat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.cat-card:hover::before {
    transform: scaleX(1);
}

.cat-icon {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: var(--transition);
}

.cat-card:hover .cat-icon {
    transform: scale(1.1) rotate(-5deg);
}

.cat-icon svg {
    width: 32px;
    height: 32px;
    fill: var(--c-white);
}

.cat-icon.c1 { background: linear-gradient(135deg, #0d3b66, #1565a8); }
.cat-icon.c2 { background: linear-gradient(135deg, #00a8a8, #008080); }
.cat-icon.c3 { background: linear-gradient(135deg, #f4a261, #e08a3e); }
.cat-icon.c4 { background: linear-gradient(135deg, #6c5ce7, #5a4bd1); }
.cat-icon.c5 { background: linear-gradient(135deg, #e63946, #c1121f); }
.cat-icon.c6 { background: linear-gradient(135deg, #2d936c, #1e6b4f); }

.cat-card h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: 10px;
}

.cat-card p {
    font-size: 14px;
    color: var(--c-text-light);
    line-height: 1.6;
    margin-bottom: 16px;
}

.cat-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    font-weight: 600;
    color: var(--c-secondary);
    transition: var(--transition-fast);
}

.cat-link svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
    transition: var(--transition-fast);
}

.cat-card:hover .cat-link {
    gap: 8px;
}

.cat-card:hover .cat-link svg {
    transform: translateX(2px);
}

/* ========================================
   FEATURED ARTICLES (with thumbnails)
   ======================================== */
.featured {
    padding: 60px 0 80px;
    background: var(--c-white);
}

.featured-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 36px;
}

.featured-header .section-title {
    text-align: left;
    margin-bottom: 0;
}

.featured-header .section-title h2::after {
    left: 0;
    transform: none;
}

.featured-header .more-link {
    font-size: 14px;
    color: var(--c-secondary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition-fast);
}

.featured-header .more-link:hover {
    gap: 8px;
}

.featured-header .more-link svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.article-card {
    background: var(--c-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--c-border-light);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.article-thumb {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.article-thumb-bg {
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
    position: relative;
}

.article-card:hover .article-thumb-bg {
    transform: scale(1.08);
}

.thumb-1 { background: linear-gradient(135deg, #0d3b66, #1565a8, #00a8a8); }
.thumb-2 { background: linear-gradient(135deg, #6c5ce7, #5a4bd1, #a29bfe); }
.thumb-3 { background: linear-gradient(135deg, #f4a261, #e08a3e, #ffb74d); }
.thumb-4 { background: linear-gradient(135deg, #2d936c, #1e6b4f, #4caf50); }
.thumb-5 { background: linear-gradient(135deg, #e63946, #c1121f, #ef5350); }
.thumb-6 { background: linear-gradient(135deg, #00838f, #006064, #0097a7); }

.article-thumb-bg::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        radial-gradient(circle at 30% 40%, rgba(255,255,255,0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(0,0,0,0.1) 0%, transparent 50%);
}

.article-thumb-bg svg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 56px;
    height: 56px;
    fill: rgba(255,255,255,0.25);
    z-index: 1;
}

.article-thumb .tag {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
    backdrop-filter: blur(4px);
}

.article-body {
    padding: 20px 22px 22px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-body h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--c-text);
    line-height: 1.5;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: var(--transition-fast);
}

.article-card:hover .article-body h3 {
    color: var(--c-secondary);
}

.article-body p {
    font-size: 13px;
    color: var(--c-text-light);
    line-height: 1.6;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--c-text-lighter);
    padding-top: 12px;
    border-top: 1px solid var(--c-border-light);
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.article-meta svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

/* ========================================
   ARTICLE LIST (no thumbnails, multi-column)
   ======================================== */
.article-list-section {
    padding: 80px 0;
}

.article-list-section .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.list-column .section-title {
    text-align: left;
    margin-bottom: 28px;
}

.list-column .section-title h2 {
    font-size: 22px;
}

.list-column .section-title h2::after {
    left: 0;
    transform: none;
    width: 40px;
}

.text-article-item {
    display: block;
    padding: 18px 0;
    border-bottom: 1px solid var(--c-border-light);
    transition: var(--transition-fast);
    position: relative;
    padding-left: 16px;
}

.text-article-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--c-border);
    transition: var(--transition-fast);
}

.text-article-item:hover::before {
    background: var(--c-secondary);
    transform: translateY(-50%) scale(1.5);
}

.text-article-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--c-text);
    line-height: 1.5;
    margin-bottom: 6px;
    transition: var(--transition-fast);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.text-article-item:hover h4 {
    color: var(--c-secondary);
}

.text-article-item .item-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--c-text-lighter);
}

.text-article-item .item-meta .tag {
    font-size: 11px;
    padding: 2px 8px;
}

/* ========================================
   FRIENDLY LINKS
   ======================================== */
.friendly-links {
    padding: 50px 0;
    background: var(--c-white);
    border-top: 1px solid var(--c-border-light);
}

.friendly-links h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: 20px;
    padding-left: 12px;
    border-left: 4px solid var(--c-secondary);
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}

.links-grid a {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    background: var(--c-bg);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--c-text-light);
    text-align: center;
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.links-grid a:hover {
    background: var(--c-white);
    color: var(--c-secondary);
    border-color: var(--c-secondary);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: linear-gradient(135deg, #0a2d4f 0%, #0d3b66 100%);
    color: rgba(255,255,255,0.7);
    padding-top: 60px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--c-secondary), var(--c-accent), var(--c-secondary));
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--c-white);
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--c-secondary);
    border-radius: 1px;
}

.footer-about p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 16px;
    color: rgba(255,255,255,0.6);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-logo .logo-icon {
    width: 38px;
    height: 38px;
}

.footer-logo strong {
    font-size: 20px;
    font-weight: 800;
    color: var(--c-white);
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 14px;
}

.footer-contact svg {
    width: 16px;
    height: 16px;
    fill: var(--c-secondary);
    flex-shrink: 0;
    margin-top: 3px;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.footer-links a::before {
    content: '›';
    color: var(--c-secondary);
    font-size: 16px;
}

.footer-links a:hover {
    color: var(--c-white);
    padding-left: 4px;
}

.footer-qr {
    display: flex;
    gap: 16px;
}

.qr-item {
    text-align: center;
}

.qr-box {
    width: 100px;
    height: 100px;
    background: var(--c-white);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
    padding: 8px;
}

.qr-box svg {
    width: 100%;
    height: 100%;
}

.qr-item span {
    font-size: 12px;
    color: rgba(255,255,255,0.6);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
}

.footer-bottom a {
    color: rgba(255,255,255,0.5);
    margin: 0 6px;
}

.footer-bottom a:hover {
    color: var(--c-accent);
}

/* ========================================
   INNER PAGE BANNER
   ======================================== */
.page-banner {
    margin-top: 108px;
    background: linear-gradient(135deg, #0d3b66 0%, #1565a8 60%, #00a8a8 100%);
    padding: 50px 0 60px;
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(244,162,97,0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 30%, rgba(255,255,255,0.05) 0%, transparent 50%);
}

.page-banner::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 40px;
    background: var(--c-bg);
    clip-path: polygon(0 100%, 100% 100%, 100% 50%, 50% 0, 0 50%);
}

.page-banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.page-banner h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--c-white);
    margin-bottom: 10px;
}

.page-banner p {
    font-size: 15px;
    color: rgba(255,255,255,0.7);
}

/* ===== Breadcrumb ===== */
.breadcrumb {
    background: var(--c-white);
    border-bottom: 1px solid var(--c-border-light);
    padding: 14px 0;
}

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

.breadcrumb li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb li:not(:last-child)::after {
    content: '/';
    color: var(--c-text-lighter);
    margin-left: 4px;
}

.breadcrumb li:last-child {
    color: var(--c-secondary);
    font-weight: 600;
}

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

.breadcrumb svg {
    width: 14px;
    height: 14px;
    fill: var(--c-text-lighter);
}

/* ========================================
   LIST PAGE
   ======================================== */
.list-page {
    padding: 40px 0 60px;
}

.list-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 30px;
}

.list-main .list-item {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--c-white);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--c-border-light);
    transition: var(--transition);
}

.list-main .list-item:hover {
    box-shadow: var(--shadow-sm);
    border-color: var(--c-secondary);
    transform: translateX(4px);
}

.list-item-thumb {
    width: 200px;
    height: 130px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
}

.list-item-thumb .article-thumb-bg {
    height: 100%;
}

.list-item-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.list-item-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: 8px;
    line-height: 1.4;
    transition: var(--transition-fast);
}

.list-item:hover .list-item-content h3 {
    color: var(--c-secondary);
}

.list-item-content p {
    font-size: 14px;
    color: var(--c-text-light);
    line-height: 1.6;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.list-item-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 13px;
    color: var(--c-text-lighter);
}

.list-item-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.list-item-meta svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

/* Sidebar */
.sidebar-widget {
    background: var(--c-white);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--c-border-light);
}

.widget-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--c-border-light);
    position: relative;
}

.widget-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--c-secondary);
}

.widget-list li {
    padding: 10px 0;
    border-bottom: 1px dashed var(--c-border-light);
}

.widget-list li:last-child {
    border-bottom: none;
}

.widget-list a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--c-text);
    line-height: 1.5;
    transition: var(--transition-fast);
}

.widget-list a:hover {
    color: var(--c-secondary);
}

.widget-list .num {
    width: 22px;
    height: 22px;
    border-radius: 4px;
    background: var(--c-bg-alt);
    color: var(--c-text-light);
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition-fast);
}

.widget-list li:nth-child(1) .num { background: var(--c-danger); color: var(--c-white); }
.widget-list li:nth-child(2) .num { background: var(--c-accent); color: var(--c-white); }
.widget-list li:nth-child(3) .num { background: var(--c-secondary); color: var(--c-white); }

.widget-list a:hover .num {
    background: var(--c-primary);
    color: var(--c-white);
}

.widget-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.widget-tags a {
    padding: 6px 12px;
    background: var(--c-bg);
    border-radius: var(--radius-xs);
    font-size: 13px;
    color: var(--c-text-light);
    transition: var(--transition-fast);
}

.widget-tags a:hover {
    background: var(--c-secondary);
    color: var(--c-white);
}

.widget-contact {
    text-align: center;
}

.widget-contact h4 {
    font-size: 16px;
    color: var(--c-text);
    margin-bottom: 8px;
}

.widget-contact .hotline {
    font-size: 24px;
    font-weight: 800;
    color: var(--c-danger);
    margin: 8px 0;
}

.widget-contact p {
    font-size: 13px;
    color: var(--c-text-light);
    margin-bottom: 16px;
}

.widget-contact .btn {
    width: 100%;
    justify-content: center;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 40px;
}

.pagination a, .pagination span {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    color: var(--c-text);
    background: var(--c-white);
    border: 1px solid var(--c-border);
    transition: var(--transition-fast);
    padding: 0 12px;
}

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

.pagination .active {
    background: var(--c-secondary);
    color: var(--c-white);
    border-color: var(--c-secondary);
}

.pagination .disabled {
    color: var(--c-text-lighter);
    cursor: not-allowed;
}

/* ========================================
   ARTICLE DETAIL PAGE
   ======================================== */
.article-page {
    padding: 40px 0 60px;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 30px;
}

.article-main {
    background: var(--c-white);
    border-radius: var(--radius-md);
    padding: 40px;
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--c-border-light);
}

.article-header {
    margin-bottom: 30px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--c-border-light);
}

.article-header .tag {
    margin-bottom: 14px;
}

.article-header h1 {
    font-size: 26px;
    font-weight: 800;
    color: var(--c-text);
    line-height: 1.4;
    margin-bottom: 16px;
}

.article-info {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 14px;
    color: var(--c-text-light);
}

.article-info span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.article-info svg {
    width: 15px;
    height: 15px;
    fill: var(--c-text-lighter);
}

.article-content {
    font-size: 16px;
    line-height: 1.9;
    color: var(--c-text);
}

.article-content h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--c-primary);
    margin: 30px 0 16px;
    padding-left: 14px;
    border-left: 4px solid var(--c-secondary);
}

.article-content h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--c-text);
    margin: 24px 0 12px;
}

.article-content p {
    margin-bottom: 16px;
}

.article-content ul, .article-content ol {
    margin: 16px 0;
    padding-left: 24px;
}

.article-content ul li {
    list-style: disc;
    margin-bottom: 8px;
}

.article-content ol li {
    list-style: decimal;
    margin-bottom: 8px;
}

.article-content blockquote {
    margin: 20px 0;
    padding: 16px 20px;
    background: var(--c-bg);
    border-left: 4px solid var(--c-accent);
    border-radius: var(--radius-xs);
    color: var(--c-text-light);
    font-style: italic;
}

.article-content strong {
    color: var(--c-primary);
    font-weight: 700;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 14px;
}

.article-content table th,
.article-content table td {
    padding: 12px 16px;
    border: 1px solid var(--c-border);
    text-align: left;
}

.article-content table th {
    background: var(--c-primary);
    color: var(--c-white);
    font-weight: 600;
}

.article-content table tr:nth-child(even) {
    background: var(--c-bg);
}

.article-content table tr:hover {
    background: var(--c-secondary-light);
}

/* Prev / Next Navigation */
.prev-next {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 36px 0;
    padding-top: 28px;
    border-top: 1px solid var(--c-border-light);
}

.pn-item {
    display: flex;
    flex-direction: column;
    padding: 16px 20px;
    background: var(--c-bg);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.pn-item:hover {
    background: var(--c-white);
    border-color: var(--c-secondary);
    box-shadow: var(--shadow-sm);
}

.pn-item.next {
    text-align: right;
}

.pn-item .pn-label {
    font-size: 13px;
    color: var(--c-text-lighter);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.pn-item.next .pn-label {
    justify-content: flex-end;
}

.pn-item .pn-label svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

.pn-item .pn-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--c-text);
    line-height: 1.4;
    transition: var(--transition-fast);
}

.pn-item:hover .pn-title {
    color: var(--c-secondary);
}

/* Related & Latest Articles */
.article-bottom {
    margin-top: 36px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.bottom-block {
    background: var(--c-bg);
    border-radius: var(--radius-md);
    padding: 24px;
}

.bottom-block h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--c-border);
    position: relative;
}

.bottom-block h3::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--c-secondary);
}

.bottom-block .text-article-item {
    padding: 12px 0;
    padding-left: 16px;
}

.bottom-block .text-article-item h4 {
    font-size: 14px;
}

.bottom-block .text-article-item .item-meta {
    font-size: 12px;
}

/* Article Sidebar */
.article-sidebar .sidebar-widget:first-child .widget-contact {
    text-align: left;
}

/* ========================================
   BACK TO TOP
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--c-secondary);
    color: var(--c-white);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0,168,168,0.4);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
}

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

.back-to-top:hover {
    background: var(--c-primary);
    transform: translateY(-4px);
}

.back-to-top svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

/* ========================================
   CONSULT BAR (floating)
   ======================================== */
.consult-bar {
    position: fixed;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 998;
    background: var(--c-white);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    box-shadow: var(--shadow-md);
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    border: 1px solid var(--c-border-light);
    border-left: none;
}

.consult-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    transition: var(--transition-fast);
    padding: 6px 8px;
    border-radius: var(--radius-sm);
}

.consult-item:hover {
    background: var(--c-bg);
}

.consult-item svg {
    width: 22px;
    height: 22px;
    fill: var(--c-secondary);
    transition: var(--transition-fast);
}

.consult-item:hover svg {
    fill: var(--c-accent);
    transform: scale(1.1);
}

.consult-item span {
    font-size: 11px;
    color: var(--c-text-light);
    font-weight: 600;
    writing-mode: vertical-rl;
    text-orientation: upright;
    letter-spacing: 1px;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        display: none;
    }

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

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

    .article-list-section .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .links-grid {
        grid-template-columns: repeat(4, 1fr);
    }

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

    .list-layout,
    .article-layout {
        grid-template-columns: 1fr;
    }

    .consult-bar {
        display: none;
    }
}

@media (max-width: 768px) {
    .header-top {
        display: none;
    }

    .header-inner {
        height: 60px;
    }

    .hero {
        padding-top: 60px;
    }

    .hero::after {
        height: 40px;
    }

    .hero-content {
        padding: 40px 20px 60px;
    }

    .hero-text h1 {
        font-size: 28px;
    }

    .hero-text .subtitle {
        font-size: 15px;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        padding-bottom: 30px;
    }

    .stat-num {
        font-size: 26px;
    }

    .nav {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--c-white);
        padding: 20px;
        transform: translateX(100%);
        transition: transform 0.35s ease;
        overflow-y: auto;
        z-index: 999;
    }

    .nav.open {
        transform: translateX(0);
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
    }

    .nav-list > li > a {
        padding: 14px 16px;
        font-size: 16px;
        border-bottom: 1px solid var(--c-border-light);
        border-radius: 0;
    }

    .nav-list > li > a::after {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .header-phone {
        display: none;
    }

    .logo-text small {
        display: none;
    }

    .section-title h2 {
        font-size: 22px;
    }

    .featured-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .article-grid {
        grid-template-columns: 1fr;
    }

    .cat-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-main {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-qr {
        justify-content: flex-start;
    }

    .page-banner {
        margin-top: 60px;
        padding: 35px 0 45px;
    }

    .page-banner h2 {
        font-size: 24px;
    }

    .list-main .list-item {
        flex-direction: column;
    }

    .list-item-thumb {
        width: 100%;
        height: 180px;
    }

    .article-main {
        padding: 24px 20px;
    }

    .article-header h1 {
        font-size: 20px;
    }

    .article-content {
        font-size: 15px;
    }

    .article-content h2 {
        font-size: 18px;
    }

    .prev-next {
        grid-template-columns: 1fr;
    }

    .pn-item.next {
        text-align: left;
    }

    .pn-item.next .pn-label {
        justify-content: flex-start;
    }

    .article-bottom {
        grid-template-columns: 1fr;
    }

    .back-to-top {
        width: 42px;
        height: 42px;
        bottom: 20px;
        right: 20px;
    }

    .breadcrumb ul {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: 1fr 1fr;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .article-info {
        gap: 10px;
        font-size: 13px;
    }

    .pagination a, .pagination span {
        min-width: 34px;
        height: 34px;
        font-size: 13px;
    }
}

.form-wrapper {
    max-width: 960px;
    margin: 60px auto;
    padding: 30px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.form-title {
    font-size: 24px;
    margin-bottom: 25px;
    text-align: center;
    font-weight: 600;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full {
    grid-column: span 2;
}

label {
    margin-bottom: 6px;
    font-size: 14px;
    color: #333;
}

input, textarea {
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s;
}

input:focus, textarea:focus {
    border-color: #007bff;
    outline: none;
}

textarea {
    resize: vertical;
    min-height: 100px;
}

.submit-btn {
    display: block;
    margin: 30px auto 0;
    padding: 12px 40px;
    background: #007bff;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}

.submit-btn:hover {
    background: #0056b3;
}

.status-msg {
    margin-top: 15px;
    font-size: 14px;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }

    .form-group.full {
        grid-column: span 1;
    }
}