@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700;800;900&family=Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&display=swap');

:root {
    --chest-brown: #3E2723;
    --chest-dark: #2D1B16;
    --chest-light: #5D4037;
    --gold-dark: #B8860B;
    --gold-light: #DAA520;
    --gold-shine: #FFD700;
    --parchment: #F5E6C8;
    --parchment-old: #E8D4A8;
    --parchment-dark: #D4B896;
    --sea-dark: #002B5B;
    --sea-light: #1A3A5C;
    --sea-mid: #0D3B66;
    --ink: #1A0F0A;
    --wax-red: #8B0000;
    --bone-white: #F5F5DC;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Garamond', 'Georgia', serif;
    background-color: var(--parchment);
    color: var(--ink);
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.08;
    pointer-events: none;
    z-index: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Cinzel', serif;
    color: var(--chest-brown);
    font-weight: 700;
    letter-spacing: 0.03em;
}

p {
    font-family: 'Garamond', serif;
    font-size: 1.05rem;
    color: var(--chest-dark);
}

a {
    color: var(--gold-dark);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--gold-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

/* ====== 导航栏 - 宝箱风格 ====== */
.navbar {
    background: linear-gradient(180deg, var(--chest-brown) 0%, var(--chest-dark) 100%);
    border-bottom: 4px solid var(--gold-dark);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.navbar::before {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--gold-light), var(--gold-shine), var(--gold-light), transparent);
    animation: goldShine 3s ease-in-out infinite;
}

@keyframes goldShine {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    width: 55px;
    height: 55px;
    position: relative;
}

.logo-chest {
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, var(--chest-light), var(--chest-brown), var(--chest-dark));
    border-radius: 6px 6px 4px 4px;
    position: relative;
    border: 2px solid var(--gold-dark);
    box-shadow: inset 0 2px 4px rgba(255,255,255,0.1), 0 4px 8px rgba(0,0,0,0.4);
}

.logo-chest::before {
    content: '';
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translateX(-50%);
    width: 18px;
    height: 22px;
    background: linear-gradient(145deg, var(--gold-shine), var(--gold-light), var(--gold-dark));
    border-radius: 3px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.logo-chest::after {
    content: '';
    position: absolute;
    top: 48%;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--chest-dark);
    border-radius: 50%;
}

.logo-text {
    font-family: 'Cinzel', serif;
    font-size: 1.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gold-shine), var(--gold-light), var(--gold-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    letter-spacing: 0.05em;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-links a {
    font-family: 'Cinzel', serif;
    font-weight: 600;
    color: var(--parchment);
    padding: 12px 18px;
    border-radius: 4px;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    position: relative;
    transition: all 0.3s ease;
}

.nav-links a::before {
    content: '⚓';
    position: absolute;
    opacity: 0;
    left: -5px;
    top: 50%;
    transform: translateY(-50%);
    transition: all 0.3s ease;
    color: var(--gold-shine);
    font-size: 0.8rem;
}

.nav-links a:hover,
.nav-links a.active {
    background: linear-gradient(135deg, var(--gold-dark), var(--gold-light));
    color: var(--chest-dark);
    box-shadow: 0 0 15px rgba(218, 165, 32, 0.4);
}

.nav-links a:hover::before,
.nav-links a.active::before {
    opacity: 1;
    left: 2px;
}

/* ====== 漂浮金币宝石动画 ====== */
.floating-items {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 1;
}

.float-item {
    position: absolute;
    opacity: 0;
    animation: floatFall linear infinite;
    font-size: 1.5rem;
}

@keyframes floatFall {
    0% {
        opacity: 0;
        transform: translateY(-100px) rotate(0deg);
    }
    10% {
        opacity: 0.7;
    }
    90% {
        opacity: 0.7;
    }
    100% {
        opacity: 0;
        transform: translateY(100vh) rotate(720deg);
    }
}

/* ====== Hero 区域 - 藏宝图风格 ====== */
.hero {
    background:
        linear-gradient(135deg, rgba(0, 43, 91, 0.7) 0%, rgba(26, 58, 92, 0.6) 100%),
        repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(139, 119, 101, 0.05) 35px, rgba(139, 119, 101, 0.05) 70px);
    background-color: var(--sea-dark);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
    border-bottom: 6px solid var(--gold-dark);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(218, 165, 32, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(184, 134, 11, 0.1) 0%, transparent 40%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-ornament-top {
    font-size: 2rem;
    color: var(--gold-shine);
    margin-bottom: 20px;
    letter-spacing: 1em;
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--gold-shine) 0%, var(--gold-light) 50%, var(--gold-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.4));
    margin-bottom: 25px;
    line-height: 1.2;
}

.hero-subtitle {
    font-family: 'Garamond', serif;
    font-size: 1.5rem;
    color: var(--parchment);
    font-style: italic;
    margin-bottom: 40px;
    letter-spacing: 0.05em;
}

.hero-description {
    font-family: 'Garamond', serif;
    font-size: 1.15rem;
    color: rgba(245, 230, 200, 0.9);
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.9;
}

.hero-buttons {
    display: flex;
    gap: 25px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ====== 按钮 - 宝箱开关风格 ====== */
.btn {
    font-family: 'Cinzel', serif;
    font-weight: 700;
    padding: 16px 40px;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    letter-spacing: 0.03em;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    text-transform: uppercase;
    display: inline-block;
}

.btn-gold {
    background: linear-gradient(145deg, var(--gold-shine), var(--gold-light), var(--gold-dark));
    color: var(--chest-dark);
    border-radius: 4px;
    box-shadow:
        0 4px 15px rgba(218, 165, 32, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        inset 0 -2px 0 rgba(139, 90, 43, 0.3);
    border: 2px solid var(--gold-dark);
}

.btn-gold:hover {
    transform: translateY(-3px);
    box-shadow:
        0 8px 25px rgba(218, 165, 32, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.5),
        inset 0 -2px 0 rgba(139, 90, 43, 0.3);
    color: var(--chest-dark);
}

.btn-gold::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.btn-gold:hover::before {
    left: 100%;
}

.btn-chest {
    background: linear-gradient(145deg, var(--chest-light), var(--chest-brown), var(--chest-dark));
    color: var(--parchment);
    border-radius: 4px;
    box-shadow:
        0 4px 15px rgba(62, 39, 35, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: 2px solid var(--gold-dark);
}

.btn-chest:hover {
    transform: translateY(-3px);
    box-shadow:
        0 8px 25px rgba(62, 39, 35, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.15),
        0 0 20px rgba(218, 165, 32, 0.3);
    color: var(--gold-shine);
}

/* ====== 牛皮纸卡片 ====== */
.section {
    padding: 80px 0;
    position: relative;
    z-index: 1;
}

.section-alt {
    background:
        linear-gradient(180deg, var(--parchment-old) 0%, var(--parchment) 50%, var(--parchment-old) 100%);
    position: relative;
}

.section-alt::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23B8860B' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2::before,
.section-header h2::after {
    content: '◆';
    color: var(--gold-dark);
    margin: 0 20px;
    font-size: 1rem;
    vertical-align: middle;
}

.section-header-line {
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--gold-dark), var(--gold-light), var(--gold-dark), transparent);
    margin: 20px auto;
}

.section-header p {
    font-size: 1.15rem;
    font-style: italic;
    color: var(--chest-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ====== 烧边牛皮纸卡片 ====== */
.parchment-card {
    background: linear-gradient(135deg, var(--parchment) 0%, var(--parchment-old) 50%, var(--parchment) 100%);
    border-radius: 2px;
    padding: 40px 35px;
    position: relative;
    box-shadow:
        0 10px 40px rgba(62, 39, 35, 0.2),
        inset 0 0 80px rgba(139, 90, 43, 0.1);
    transition: all 0.4s ease;
    overflow: hidden;
}

.parchment-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at top left, transparent 60%, rgba(139, 69, 19, 0.15) 100%),
        radial-gradient(ellipse at top right, transparent 60%, rgba(139, 69, 19, 0.15) 100%),
        radial-gradient(ellipse at bottom left, transparent 60%, rgba(139, 69, 19, 0.15) 100%),
        radial-gradient(ellipse at bottom right, transparent 60%, rgba(139, 69, 19, 0.15) 100%);
    pointer-events: none;
    border-radius: 2px;
}

.parchment-card::after {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: linear-gradient(135deg,
        transparent 0%, transparent 3%,
        rgba(101, 67, 33, 0.4) 5%, transparent 7%,
        transparent 93%, rgba(101, 67, 33, 0.4) 95%, transparent 97%, transparent 100%);
    pointer-events: none;
    z-index: 1;
    border-radius: 2px;
    clip-path: polygon(
        0 0, 100% 0, 100% 100%, 0 100%, 0 0,
        2% 4%, 3% 1%, 6% 3%, 8% 0%, 12% 2%, 15% 0%, 18% 3%, 22% 1%, 26% 4%, 30% 0%,
        34% 2%, 38% 1%, 42% 3%, 46% 0%, 50% 2%, 54% 4%, 58% 1%, 62% 3%, 66% 0%,
        70% 2%, 74% 1%, 78% 4%, 82% 0%, 86% 3%, 90% 1%, 94% 2%, 98% 4%, 100% 2%,
        99% 6%, 100% 10%, 98% 14%, 100% 18%, 97% 22%, 100% 26%, 99% 30%, 98% 34%,
        100% 38%, 99% 42%, 97% 46%, 100% 50%, 98% 54%, 100% 58%, 99% 62%, 98% 66%,
        100% 70%, 99% 74%, 97% 78%, 100% 82%, 98% 86%, 100% 90%, 99% 94%, 98% 98%,
        95% 99%, 91% 100%, 87% 98%, 83% 100%, 79% 99%, 75% 97%, 71% 100%, 67% 99%,
        63% 98%, 59% 100%, 55% 99%, 51% 97%, 47% 100%, 43% 99%, 39% 98%, 35% 100%,
        31% 99%, 27% 97%, 23% 100%, 19% 99%, 15% 98%, 11% 100%, 7% 99%, 3% 98%, 0% 96%,
        2% 92%, 0% 88%, 3% 84%, 0% 80%, 2% 76%, 0% 72%, 3% 68%, 0% 64%,
        2% 60%, 0% 56%, 3% 52%, 0% 48%, 2% 44%, 0% 40%, 3% 36%, 0% 32%,
        2% 28%, 0% 24%, 3% 20%, 0% 16%, 2% 12%, 0% 8%, 3% 4%
    );
}

.parchment-card:hover {
    transform: translateY(-8px) rotate(-0.5deg);
    box-shadow:
        0 20px 50px rgba(62, 39, 35, 0.3),
        inset 0 0 80px rgba(139, 90, 43, 0.15);
}

.parchment-card > * {
    position: relative;
    z-index: 2;
}

.wax-seal {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 55px;
    height: 55px;
    background: radial-gradient(circle at 30% 30%, #CD5C5C, var(--wax-red) 50%, #5C0000);
    border-radius: 50%;
    box-shadow:
        0 4px 12px rgba(139, 0, 0, 0.5),
        inset -2px -2px 6px rgba(0, 0, 0, 0.3),
        inset 2px 2px 6px rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
    transform: rotate(-10deg);
}

.wax-seal::before {
    content: '❖';
    color: rgba(255, 215, 0, 0.9);
    font-size: 1.5rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* ====== 特色卡片网格 ====== */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 35px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

/* ====== 宝藏等级卡片 ====== */
.treasure-card {
    position: relative;
    text-align: center;
}

.treasure-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(145deg, var(--chest-light), var(--chest-brown));
    border: 3px solid var(--gold-dark);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    box-shadow:
        0 6px 20px rgba(62, 39, 35, 0.3),
        inset 0 2px 4px rgba(255, 255, 255, 0.1);
    transition: all 0.4s ease;
    position: relative;
}

.treasure-icon::after {
    content: '';
    position: absolute;
    top: -5px;
    right: -5px;
    width: 20px;
    height: 20px;
    background: linear-gradient(145deg, var(--gold-shine), var(--gold-dark));
    border-radius: 50%;
    border: 2px solid var(--chest-dark);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.15); opacity: 0.8; }
}

.treasure-card:hover .treasure-icon {
    transform: translateY(-5px) rotate(5deg);
    box-shadow:
        0 10px 30px rgba(218, 165, 32, 0.4),
        inset 0 2px 4px rgba(255, 255, 255, 0.1);
    border-color: var(--gold-light);
}

.treasure-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--chest-brown);
}

.treasure-card p {
    font-size: 1rem;
    color: var(--chest-light);
    margin-bottom: 20px;
}

.treasure-tag {
    display: inline-block;
    font-family: 'Cinzel', serif;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 6px 14px;
    background: linear-gradient(135deg, var(--gold-dark), var(--gold-light));
    color: var(--chest-dark);
    border-radius: 2px;
    letter-spacing: 0.05em;
}

/* ====== 藏宝图坐标装饰 ====== */
.map-section {
    position: relative;
    background:
        linear-gradient(135deg, var(--parchment-old) 0%, var(--parchment-dark) 100%);
    padding: 100px 0;
    overflow: hidden;
}

.map-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 49px, rgba(139, 90, 43, 0.1) 49px, rgba(139, 90, 43, 0.1) 50px),
        repeating-linear-gradient(90deg, transparent, transparent 49px, rgba(139, 90, 43, 0.1) 49px, rgba(139, 90, 43, 0.1) 50px);
    pointer-events: none;
}

.compass-rose {
    position: absolute;
    width: 120px;
    height: 120px;
    opacity: 0.15;
    animation: slowRotate 30s linear infinite;
}

@keyframes slowRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.compass-nw { top: 40px; left: 40px; }
.compass-se { bottom: 40px; right: 40px; }

/* ====== 等级解锁进度条 ====== */
.level-item {
    margin-bottom: 30px;
}

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

.level-name {
    font-family: 'Cinzel', serif;
    font-weight: 700;
    color: var(--chest-brown);
    font-size: 1.1rem;
}

.level-points {
    font-family: 'Cinzel', serif;
    font-weight: 600;
    color: var(--gold-dark);
    font-size: 0.95rem;
}

.progress-bar {
    height: 14px;
    background: linear-gradient(180deg, var(--chest-brown), var(--chest-dark));
    border-radius: 7px;
    overflow: hidden;
    border: 2px solid var(--gold-dark);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.4);
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--gold-dark), var(--gold-light), var(--gold-shine));
    border-radius: 5px;
    position: relative;
    transition: width 1.5s ease;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.4), transparent);
    border-radius: 5px 5px 0 0;
}

/* ====== 海盗旗装饰 ====== */
.pirate-flag {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
    border: 2px solid var(--gold-dark);
    border-radius: 4px;
    font-family: 'Cinzel', serif;
    font-weight: 700;
    color: var(--bone-white);
    letter-spacing: 0.05em;
}

.pirate-skull {
    font-size: 1.5rem;
    filter: drop-shadow(0 0 5px var(--gold-shine));
}

/* ====== 产品卡片 ====== */
.product-card {
    background: linear-gradient(180deg, var(--parchment) 0%, var(--parchment-old) 100%);
    border: 3px solid var(--chest-brown);
    border-radius: 6px;
    overflow: hidden;
    transition: all 0.4s ease;
    position: relative;
    box-shadow: 0 8px 30px rgba(62, 39, 35, 0.2);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 8px;
    background: linear-gradient(90deg, var(--gold-dark), var(--gold-shine), var(--gold-dark));
    z-index: 2;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 18px 45px rgba(62, 39, 35, 0.3), 0 0 30px rgba(218, 165, 32, 0.2);
    border-color: var(--gold-dark);
}

.product-banner {
    height: 180px;
    background:
        linear-gradient(135deg, var(--sea-dark), var(--sea-light)),
        radial-gradient(circle at 50% 50%, rgba(218, 165, 32, 0.2), transparent 70%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
    overflow: hidden;
}

.product-banner::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(255, 255, 255, 0.03) 20px, rgba(255, 255, 255, 0.03) 40px);
}

.product-body {
    padding: 28px;
}

.product-body h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding-top: 18px;
    border-top: 2px dashed var(--parchment-dark);
}

.product-value {
    font-family: 'Cinzel', serif;
    font-weight: 800;
    font-size: 1.3rem;
    background: linear-gradient(135deg, var(--gold-dark), var(--gold-light), var(--gold-shine));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-value::before {
    content: '💰 ';
    -webkit-text-fill-color: initial;
}

/* ====== 案例时间线 ====== */
.timeline {
    position: relative;
    padding: 30px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--gold-dark), var(--chest-brown), var(--gold-dark));
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 20px 40px;
}

.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-node {
    position: absolute;
    top: 35px;
    width: 28px;
    height: 28px;
    background: linear-gradient(145deg, var(--gold-shine), var(--gold-dark));
    border: 4px solid var(--chest-brown);
    border-radius: 50%;
    z-index: 2;
    box-shadow: 0 0 15px rgba(218, 165, 32, 0.5);
}

.timeline-item:nth-child(odd) .timeline-node {
    right: -14px;
}

.timeline-item:nth-child(even) .timeline-node {
    left: -14px;
}

/* ====== 资讯卡片 ====== */
.news-card {
    background: var(--parchment);
    border-left: 5px solid var(--gold-dark);
    padding: 25px 30px;
    border-radius: 0 6px 6px 0;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(62, 39, 35, 0.1);
}

.news-card:hover {
    border-left-color: var(--gold-shine);
    transform: translateX(8px);
    box-shadow: 0 8px 30px rgba(62, 39, 35, 0.15), 0 0 20px rgba(218, 165, 32, 0.2);
}

.news-date {
    font-family: 'Cinzel', serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gold-dark);
    margin-bottom: 10px;
    letter-spacing: 0.05em;
}

.news-date::before {
    content: '📜 ';
    margin-right: 5px;
}

.news-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.news-excerpt {
    font-size: 0.98rem;
    color: var(--chest-light);
    line-height: 1.7;
}

/* ====== 表单 - 羊皮纸风格 ====== */
.form-container {
    max-width: 700px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 25px;
    position: relative;
}

.form-label {
    display: block;
    font-family: 'Cinzel', serif;
    font-weight: 600;
    color: var(--chest-brown);
    margin-bottom: 8px;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
}

.form-label::before {
    content: '⚓ ';
    color: var(--gold-dark);
    margin-right: 5px;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 14px 18px;
    font-family: 'Garamond', serif;
    font-size: 1.05rem;
    color: var(--chest-dark);
    background: linear-gradient(180deg, var(--bone-white), var(--parchment));
    border: 2px solid var(--parchment-dark);
    border-radius: 4px;
    transition: all 0.3s ease;
    box-shadow: inset 0 2px 6px rgba(139, 90, 43, 0.08);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--gold-dark);
    box-shadow: 0 0 15px rgba(218, 165, 32, 0.25), inset 0 2px 6px rgba(139, 90, 43, 0.08);
    background: linear-gradient(180deg, #fff, var(--parchment));
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

/* ====== 联系信息卡片 ====== */
.contact-info-card {
    background: linear-gradient(135deg, var(--chest-brown), var(--chest-dark));
    padding: 40px;
    border-radius: 8px;
    border: 3px solid var(--gold-dark);
    color: var(--parchment);
    box-shadow: 0 10px 40px rgba(62, 39, 35, 0.4);
}

.contact-info-card h3 {
    color: var(--gold-shine);
    margin-bottom: 25px;
    font-size: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 22px;
}

.contact-icon {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    background: linear-gradient(145deg, var(--gold-dark), var(--gold-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: 0 3px 10px rgba(218, 165, 32, 0.3);
}

.contact-text h4 {
    font-family: 'Cinzel', serif;
    font-size: 0.95rem;
    color: var(--gold-light);
    margin-bottom: 5px;
}

.contact-text p,
.contact-text a {
    color: rgba(245, 230, 200, 0.9);
    font-size: 1rem;
    margin: 0;
}

.contact-text a:hover {
    color: var(--gold-shine);
}

/* ====== Footer - 宝箱底部 ====== */
.footer {
    background: linear-gradient(180deg, var(--chest-brown), var(--chest-dark));
    padding: 70px 0 30px;
    color: var(--parchment);
    border-top: 6px solid var(--gold-dark);
    position: relative;
    z-index: 1;
}

.footer::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, transparent, var(--gold-light), var(--gold-shine), var(--gold-light), transparent);
    animation: goldShine 4s ease-in-out infinite;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-brand h3 {
    color: var(--gold-shine);
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.footer-brand p {
    color: rgba(245, 230, 200, 0.75);
    font-size: 0.98rem;
    line-height: 1.8;
}

.footer-col h4 {
    font-family: 'Cinzel', serif;
    color: var(--gold-light);
    font-size: 1.05rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--gold-dark);
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 12px;
}

.footer-col a {
    color: rgba(245, 230, 200, 0.7);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.footer-col a::before {
    content: '▸ ';
    color: var(--gold-dark);
}

.footer-col a:hover {
    color: var(--gold-shine);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(218, 165, 32, 0.2);
    color: rgba(245, 230, 200, 0.5);
    font-size: 0.9rem;
}

.footer-bottom strong {
    color: var(--gold-light);
}

/* ====== 装饰元素 ====== */
.anchor-decoration {
    position: absolute;
    font-size: 6rem;
    opacity: 0.06;
    color: var(--chest-brown);
    pointer-events: none;
}

.ship-wheel-decoration {
    position: absolute;
    font-size: 5rem;
    opacity: 0.08;
    color: var(--gold-dark);
    pointer-events: none;
    animation: slowRotate 40s linear infinite;
}

/* ====== 页面标题横幅 ====== */
.page-banner {
    background:
        linear-gradient(135deg, rgba(0, 43, 91, 0.85) 0%, rgba(26, 58, 92, 0.8) 100%),
        radial-gradient(circle at 30% 50%, rgba(218, 165, 32, 0.15), transparent 50%);
    background-color: var(--sea-dark);
    padding: 70px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 5px solid var(--gold-dark);
}

.page-banner::before {
    content: '⚓ ☠ ⚓ ☠ ⚓';
    position: absolute;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.2rem;
    color: rgba(218, 165, 32, 0.3);
    letter-spacing: 0.5em;
}

.page-banner::after {
    content: '⚓ ☠ ⚓ ☠ ⚓';
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.2rem;
    color: rgba(218, 165, 32, 0.3);
    letter-spacing: 0.5em;
}

.page-banner h1 {
    font-size: 2.8rem;
    color: var(--gold-shine);
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.page-banner-breadcrumb {
    font-family: 'Cinzel', serif;
    font-size: 0.95rem;
    color: rgba(245, 230, 200, 0.7);
    position: relative;
    z-index: 1;
}

.page-banner-breadcrumb a {
    color: var(--gold-light);
}

.page-banner-breadcrumb span {
    margin: 0 12px;
    color: rgba(218, 165, 32, 0.5);
}

/* ====== 解决方案列表 ====== */
.solution-item {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    padding: 30px;
    background: linear-gradient(135deg, var(--parchment) 0%, var(--parchment-old) 100%);
    border: 2px solid var(--parchment-dark);
    border-radius: 8px;
    transition: all 0.4s ease;
    position: relative;
    align-items: flex-start;
}

.solution-item:hover {
    border-color: var(--gold-dark);
    transform: translateX(10px);
    box-shadow: 0 10px 35px rgba(62, 39, 35, 0.15);
}

.solution-number {
    flex-shrink: 0;
    width: 70px;
    height: 70px;
    background: linear-gradient(145deg, var(--chest-brown), var(--chest-dark));
    border: 3px solid var(--gold-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Cinzel', serif;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--gold-shine);
    box-shadow: 0 4px 15px rgba(62, 39, 35, 0.3);
}

.solution-content h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: var(--chest-brown);
}

.solution-content p {
    color: var(--chest-light);
    margin-bottom: 15px;
}

.solution-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.solution-feature-tag {
    font-size: 0.85rem;
    padding: 5px 12px;
    background: linear-gradient(135deg, rgba(184, 134, 11, 0.15), rgba(218, 165, 32, 0.2));
    border: 1px solid var(--gold-dark);
    color: var(--chest-brown);
    border-radius: 20px;
    font-weight: 500;
}

.solution-feature-tag::before {
    content: '✦ ';
    color: var(--gold-dark);
}

/* ====== 响应式设计 ====== */
@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero h1 {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .nav-container {
        height: auto;
        flex-direction: column;
        padding: 15px 20px;
        gap: 15px;
    }
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 5px;
    }
    .nav-links a {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
    .logo-text {
        font-size: 1.1rem;
    }
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    .hero {
        padding: 60px 0;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .hero-subtitle {
        font-size: 1.1rem;
    }
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    .section {
        padding: 50px 0;
    }
    .section-header h2 {
        font-size: 1.8rem;
    }
    .section-header h2::before,
    .section-header h2::after {
        display: none;
    }
    .page-banner {
        padding: 50px 20px;
    }
    .page-banner h1 {
        font-size: 2rem;
    }
    .timeline::before {
        left: 20px;
    }
    .timeline-item {
        width: 100%;
        left: 0 !important;
        text-align: left !important;
        padding: 20px 20px 20px 60px;
    }
    .timeline-item .timeline-node {
        left: 6px !important;
        right: auto !important;
    }
    .solution-item {
        flex-direction: column;
        gap: 20px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 35px;
    }
    .contact-info-card {
        padding: 25px;
    }
    .wax-seal {
        width: 40px;
        height: 40px;
        top: 10px;
        right: 10px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.6rem;
    }
    .section-header h2 {
        font-size: 1.5rem;
    }
    .btn {
        padding: 14px 28px;
        font-size: 0.9rem;
    }
}