:root {
            --main: #b45309;
            --accent: #ca8a04;
            --bg: #fefce8;
            --text: #451a03;
            --border: #e8dcc8;
            --card-bg: #fffdf5;
            --shadow: 0 6px 18px rgba(180, 83, 9, 0.08);
            --shadow-hover: 0 12px 28px rgba(180, 83, 9, 0.16);
        }
        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: 'Inter', sans-serif;
            letter-spacing: -0.01em;
            overflow-x: hidden;
        }
        /* 噪点纹理 */
        .noise::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
            pointer-events: none;
            opacity: 0.6;
            z-index: 0;
        }
        .navbar {
            background: rgba(254, 252, 232, 0.8);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(180, 83, 9, 0.15);
            transition: background 0.3s ease, box-shadow 0.2s;
            z-index: 1000;
            padding: 12px 0;
        }
        .navbar.scrolled {
            background: rgba(254, 252, 232, 0.95);
            box-shadow: 0 6px 18px rgba(180, 83, 9, 0.06);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.6rem;
            color: var(--main) !important;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.02em;
        }
        .navbar-brand i {
            color: var(--accent);
            font-size: 1.7rem;
        }
        .nav-link {
            font-weight: 500;
            color: var(--text) !important;
            margin: 0 12px;
            position: relative;
            transition: color 0.2s;
        }
        .nav-link:hover {
            color: var(--main) !important;
        }
        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -4px;
            height: 2px;
            width: 0;
            background: var(--accent);
            transition: width 0.2s ease;
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .btn-outline-main {
            border-color: var(--main);
            color: var(--main);
            font-weight: 600;
            border-radius: 8px;
        }
        .btn-outline-main:hover {
            background: var(--main);
            color: white;
        }
        .hero {
            position: relative;
            min-height: 80vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, #1f0f02, #2a1508);
            color: white;
            isolation: isolate;
            padding: 2rem 0;
            overflow: hidden;
        }
        .hero-bg-image {
            position: absolute;
            inset: 0;
            background-image: url("{随机图片}");
            background-size: cover;
            background-position: center 30%;
            opacity: 0.35;
            z-index: -2;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 60%, rgba(0,0,0,0.5) 100%);
            z-index: -1;
        }
        .hero-content {
            max-width: 800px;
            padding: 2rem;
        }
        .hero h1 {
            font-size: 3.8rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            text-shadow: 0 4px 20px rgba(0,0,0,0.5);
            margin-bottom: 1.2rem;
        }
        .hero p.lead {
            font-size: 1.3rem;
            font-weight: 400;
            opacity: 0.9;
            margin-bottom: 2rem;
        }
        .hero .btn-cta {
            background: var(--accent);
            border: none;
            border-radius: 8px;
            padding: 14px 36px;
            font-weight: 700;
            font-size: 1.1rem;
            color: white;
            box-shadow: 0 8px 20px rgba(202, 138, 4, 0.3);
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .hero .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(202, 138, 4, 0.4);
        }
        .section-title {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 1.2rem;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .section-title i {
            color: var(--main);
            font-size: 2rem;
        }
        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 1.8rem 1rem;
            text-align: center;
            box-shadow: var(--shadow);
            transition: transform 0.2s;
        }
        .stat-number {
            font-family: 'Courier New', monospace;
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--main);
            letter-spacing: -0.02em;
        }
        .stat-label {
            font-weight: 500;
            color: #7c5a32;
            margin-top: 0.5rem;
        }
        .step-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 1.5rem;
            text-align: center;
            position: relative;
            transition: all 0.2s ease;
        }
        .step-item .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: var(--main);
            color: white;
            font-weight: 800;
            font-size: 1.3rem;
            border-radius: 8px;
            margin-bottom: 1rem;
        }
        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 1.8rem;
            box-shadow: var(--shadow);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            height: 100%;
            will-change: transform;
        }
        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }
        .feature-icon {
            font-size: 2.4rem;
            color: var(--main);
            margin-bottom: 1rem;
            border: 2px solid var(--main);
            border-radius: 8px;
            display: inline-flex;
            padding: 10px;
        }
        .faq-accordion .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 8px;
            margin-bottom: 14px;
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            background: var(--card-bg);
            color: var(--text);
            font-weight: 600;
            border-bottom: 1px solid var(--border);
            padding: 1.2rem;
            font-size: 1.1rem;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: #fcf5e6;
            color: var(--main);
        }
        .faq-accordion .accordion-body {
            color: #5f3d1c;
            line-height: 1.6;
            padding: 1.2rem;
        }
        .cta-section {
            background: linear-gradient(145deg, #1f0f02, #3a1f0b);
            border-radius: 16px;
            padding: 3.2rem 2rem;
            color: white;
            box-shadow: var(--shadow);
        }
        .friends-links {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 1.5rem;
        }
        .footer {
            border-top: 1px solid var(--border);
            background: #f5edda;
            padding: 2rem 0 1rem;
        }
        /* 滚动渐显 */
        .reveal-group .step-item,
        .reveal-group .feature-card {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeUp 0.6s forwards;
        }
        .reveal-group .step-item:nth-child(1) { animation-delay: 0.1s; }
        .reveal-group .step-item:nth-child(2) { animation-delay: 0.25s; }
        .reveal-group .step-item:nth-child(3) { animation-delay: 0.4s; }
        .reveal-group .feature-card:nth-child(1) { animation-delay: 0.1s; }
        .reveal-group .feature-card:nth-child(2) { animation-delay: 0.2s; }
        .reveal-group .feature-card:nth-child(3) { animation-delay: 0.3s; }
        .reveal-group .feature-card:nth-child(4) { animation-delay: 0.4s; }
        @keyframes fadeUp {
            to { opacity: 1; transform: translateY(0); }
        }
        /* 小屏 */
        @media (max-width: 768px) {
            .hero h1 { font-size: 2.6rem; }
            .section-title { font-size: 1.9rem; }
        }
        .navbar-toggler { border-color: var(--main); }
        .navbar-toggler-icon { filter: brightness(0.4) sepia(1) saturate(5) hue-rotate(10deg); }

/* --- 子页面追加 --- */
.about-hero {
            background: linear-gradient(135deg, var(--main) 0%, var(--accent) 100%);
            color: #fff;
            padding: 4rem 0;
            text-align: center;
            margin-bottom: 3rem;
        }
.about-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
            text-shadow: 0 2px 8px rgba(0,0,0,0.15);
        }
.about-hero p {
            font-size: 1.2rem;
            opacity: 0.95;
            max-width: 700px;
            margin: 0 auto;
        }
.about-section {
            padding: 2.5rem 0;
        }
.about-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 2.5rem;
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
            transition: box-shadow 0.3s ease;
        }
.about-card:hover {
            box-shadow: var(--shadow-hover);
        }
.about-card h2 {
            color: var(--main);
            font-weight: 700;
            font-size: 1.6rem;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
.about-card h2 i {
            font-size: 1.4rem;
            color: var(--accent);
        }
.about-card p {
            line-height: 1.9;
            color: var(--text);
            margin-bottom: 1rem;
        }
.about-card ul {
            padding-left: 1.25rem;
            margin-bottom: 1rem;
        }
.about-card ul li {
            margin-bottom: 0.5rem;
            line-height: 1.7;
        }
.value-list {
            list-style: none;
            padding-left: 0 !important;
        }
.value-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            margin-bottom: 1.25rem;
        }
.value-list li i {
            color: var(--accent);
            font-size: 1.1rem;
            margin-top: 0.3rem;
            min-width: 1.4rem;
        }
.milestone-item {
            border-left: 3px solid var(--main);
            padding: 0.5rem 0 0.5rem 1.5rem;
            margin-bottom: 1.5rem;
            position: relative;
        }
.milestone-item::before {
            content: '';
            position: absolute;
            left: -7px;
            top: 0.8rem;
            width: 11px;
            height: 11px;
            border-radius: 50%;
            background: var(--main);
        }
.milestone-item .year {
            font-weight: 700;
            color: var(--main);
            font-size: 1.1rem;
        }
.milestone-item p {
            margin-bottom: 0.25rem;
        }
.about-highlight {
            background: linear-gradient(135deg, rgba(180, 83, 9, 0.05) 0%, rgba(202, 138, 4, 0.08) 100%);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 1.5rem;
            margin: 1.5rem 0;
        }
.about-highlight h3 {
            color: var(--main);
            font-weight: 600;
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }
.about-hero {
                padding: 3rem 0;
            }
.about-hero h1 {
                font-size: 2rem;
            }
.about-card {
                padding: 1.75rem;
            }

/* --- 子页面追加 --- */
/* 本页专属样式 - 投稿页 */
        .submit-hero {
            background: linear-gradient(135deg, var(--main) 0%, var(--accent) 100%);
            color: #fff;
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }
.submit-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: rgba(255,255,255,0.08);
            border-radius: 50%;
        }
.submit-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 300px;
            height: 300px;
            background: rgba(255,255,255,0.05);
            border-radius: 50%;
        }
.submit-hero-content {
            position: relative;
            z-index: 2;
        }
.submit-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 20px;
            text-shadow: 0 2px 10px rgba(0,0,0,0.2);
        }
.submit-hero p {
            font-size: 1.2rem;
            max-width: 650px;
            opacity: 0.95;
            line-height: 1.8;
        }
.submit-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 35px;
            box-shadow: var(--shadow);
            transition: box-shadow 0.3s ease;
        }
.submit-card:hover {
            box-shadow: var(--shadow-hover);
        }
.submit-form .form-group {
            margin-bottom: 25px;
        }
.submit-form label {
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
            display: block;
            font-size: 0.95rem;
        }
.submit-form input[type="text"],
        .submit-form input[type="email"],
        .submit-form textarea,
        .submit-form select {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: 10px;
            background: #fff;
            color: var(--text);
            font-size: 0.95rem;
            transition: border-color 0.3s, box-shadow 0.3s;
        }
.submit-form input:focus,
        .submit-form textarea:focus,
        .submit-form select:focus {
            outline: none;
            border-color: var(--main);
            box-shadow: 0 0 0 3px rgba(180, 83, 9, 0.1);
        }
.submit-form textarea {
            min-height: 180px;
            resize: vertical;
        }
.submit-form .form-hint {
            font-size: 0.85rem;
            color: #8b7355;
            margin-top: 5px;
        }
.submit-form .btn-submit {
            background: var(--main);
            color: #fff;
            border: none;
            padding: 14px 40px;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1rem;
            transition: all 0.3s;
            cursor: pointer;
        }
.submit-form .btn-submit:hover {
            background: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(180, 83, 9, 0.25);
        }
.guideline-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 15px;
            transition: all 0.3s;
        }
.guideline-item:hover {
            transform: translateX(5px);
            box-shadow: var(--shadow);
        }
.guideline-item .guideline-icon {
            width: 45px;
            height: 45px;
            border-radius: 10px;
            background: rgba(180, 83, 9, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--main);
            font-size: 1.2rem;
            margin-right: 15px;
            flex-shrink: 0;
        }
.guideline-item h5 {
            font-weight: 700;
            color: var(--text);
            margin-bottom: 5px;
            font-size: 1rem;
        }
.guideline-item p {
            color: #6b5d4e;
            font-size: 0.9rem;
            margin-bottom: 0;
            line-height: 1.6;
        }
.faq-accordion .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
        }
.faq-accordion .faq-header {
            padding: 18px 25px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--text);
            transition: background 0.3s;
        }
.faq-accordion .faq-header:hover {
            background: rgba(180, 83, 9, 0.05);
        }
.faq-accordion .faq-header i {
            color: var(--main);
            transition: transform 0.3s;
        }
.faq-accordion .faq-body {
            padding: 0 25px 18px;
            color: #6b5d4e;
            font-size: 0.92rem;
            line-height: 1.7;
            display: none;
        }
.faq-accordion .faq-item.open .faq-header i {
            transform: rotate(180deg);
        }
.faq-accordion .faq-item.open .faq-body {
            display: block;
        }
.success-message {
            display: none;
            text-align: center;
            padding: 40px 20px;
        }
.success-message .success-icon {
            font-size: 4rem;
            color: #28a745;
            margin-bottom: 20px;
        }
.success-message h3 {
            color: var(--text);
            font-weight: 700;
            margin-bottom: 10px;
        }
.success-message p {
            color: #6b5d4e;
        }
.success-message .btn-back {
            margin-top: 20px;
            display: inline-block;
            background: var(--main);
            color: #fff;
            padding: 10px 30px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
        }
.success-message .btn-back:hover {
            background: var(--accent);
        }
.submit-hero h1 {
                font-size: 2rem;
            }
.submit-hero p {
                font-size: 1rem;
            }
.submit-card {
                padding: 25px;
            }

/* --- 子页面追加 --- */
.legal-section {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 2rem;
            margin-bottom: 1.5rem;
            box-shadow: var(--shadow);
        }
.legal-section h2 {
            color: var(--main);
            font-weight: 800;
            font-size: 1.4rem;
            margin-bottom: 1rem;
            border-left: 4px solid var(--accent);
            padding-left: 1rem;
        }
.legal-section h3 {
            color: var(--main);
            font-weight: 700;
            font-size: 1.15rem;
            margin-top: 1.5rem;
            margin-bottom: 0.75rem;
        }
.legal-section p, .legal-section li {
            color: var(--text);
            line-height: 1.8;
            font-size: 0.95rem;
        }
.legal-section ul {
            padding-left: 1.25rem;
            margin-bottom: 1rem;
        }
.legal-section li {
            margin-bottom: 0.5rem;
        }
.legal-section strong {
            color: var(--main);
        }
.disclaimer-hero {
            background: linear-gradient(135deg, var(--main) 0%, var(--accent) 100%);
            color: #fff;
            padding: 3rem 0;
            margin-bottom: 2.5rem;
        }
.disclaimer-hero h1 {
            font-weight: 900;
            font-size: 2rem;
            margin-bottom: 0.5rem;
        }
.disclaimer-hero p {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 0;
        }
.updated-date {
            display: inline-block;
            background: rgba(255,255,255,0.2);
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.85rem;
            margin-top: 0.5rem;
        }
.notice-box {
            background: #fff8e6;
            border: 1px dashed var(--accent);
            border-radius: 8px;
            padding: 1rem 1.25rem;
            margin: 1.5rem 0;
            font-size: 0.9rem;
        }
.notice-box i {
            color: var(--main);
            margin-right: 0.5rem;
        }
.legal-section {
                padding: 1.25rem;
            }
.disclaimer-hero h1 {
                font-size: 1.5rem;
            }
.disclaimer-hero {
                padding: 2rem 0;
            }

/* --- 子页面追加 --- */
/* 本页专属微调，仅补充guide专用样式 */
        .guide-hero {
            background: linear-gradient(145deg, rgba(180,83,9,0.08) 0%, rgba(202,138,4,0.04) 100%);
            border-bottom: 1px solid var(--border);
        }
.guide-step-number {
            background: var(--main);
            color: var(--bg);
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            margin-right: 10px;
            flex-shrink: 0;
        }
.guide-tip-box {
            background: rgba(202,138,4,0.07);
            border-left: 4px solid var(--accent);
            padding: 1rem 1.25rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
.guide-list-group {
            list-style: none;
            padding-left: 0;
        }
.guide-list-group li {
            padding: .55rem 0;
            border-bottom: 1px dashed var(--border);
            display: flex;
            gap: 10px;
            align-items: baseline;
        }
.guide-list-group li:last-child { border-bottom: none; }
.guide-list-group i {
            color: var(--accent);
            width: 20px;
            text-align: center;
            font-size: .9rem;
        }
.guide-faq-item {
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 1.25rem 1.5rem;
            background: var(--card-bg);
            margin-bottom: 1rem;
            box-shadow: var(--shadow);
        }
.guide-faq-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: .5rem;
            color: var(--main);
        }
.guide-faq-item p {
            margin-bottom: 0;
            color: var(--text);
            opacity: .9;
        }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.accordion-header { background:transparent !important; }