/* ============================================
   祈愿客服转接系统 — EDITORIAL BRUTALISM
   编辑野兽派 · 全局样式系统 v3.0
   ============================================ */
:root {
    --bg-primary: #FAFAF8;
    --bg-secondary: #FFFFFF;
    --bg-surface: #F5F5F3;
    --bg-elevated: #EDEDEC;
    --accent-red: #FF3366;
    --accent-red-dark: #D9264A;
    --accent-amber: #F59E0B;
    --text-black: #0A0A0A;
    --text-primary: #1A1A1A;
    --text-secondary: #5C5C5C;
    --text-muted: #9CA3AF;
    --border-black: rgba(10, 10, 10, 0.12);
    --border-bold: rgba(10, 10, 10, 0.25);
    --font-serif: 'Fraunces', 'Noto Serif SC', serif;
    --font-sans: 'DM Sans', 'Noto Sans SC', sans-serif;
    --font-mono: 'Space Mono', 'JetBrains Mono', monospace;
}

body.theme-light {
    --bg-primary: #FAFAF8;
    --bg-secondary: #FFFFFF;
    --bg-surface: #F5F5F3;
    --bg-elevated: #EDEDEC;
}

* {
    font-family: var(--font-sans);
    -webkit-tap-highlight-color: transparent;
    box-sizing: border-box;
}

html { scroll-behavior: smooth; }

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease;
    position: relative;
}

html, body { max-width: 100%; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }

::selection {
    background: var(--accent-red);
    color: white;
}

/* ============================================
   TYPOGRAPHY - 排版系统
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.03em;
    color: var(--text-black);
}

.text-gradient {
    background: linear-gradient(135deg, var(--accent-red), #FF6B6B);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   BUTTONS - 按钮（粗边框风格）
   ============================================ */
.btn-glow {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 16px 32px;
    background: var(--text-black);
    color: white;
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    position: relative; overflow: hidden;
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}
.btn-glow:hover {
    background: var(--accent-red);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--text-black);
}
.btn-glow svg { margin-left: 8px; transition: transform 0.3s; }
.btn-glow:hover svg { transform: translateX(4px); }

.liquid-btn-secondary {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 16px 32px;
    background: transparent;
    color: var(--text-black);
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    border: 2px solid var(--text-black);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.22, 1, 0.36, 1);
    clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}
.liquid-btn-secondary:hover {
    background: var(--text-black);
    color: white;
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--accent-red);
}

/* ============================================
   CARDS - 卡片（锐利边框风格）
   ============================================ */
.platform-card {
    display: block;
    color: inherit;
    background: var(--bg-secondary);
    border: 2px solid var(--border-black);
    border-bottom: 4px solid var(--text-black);
    padding: 24px;
    transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    overflow: hidden;
    clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}
.platform-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 100%;
    background: var(--accent-red);
    transform: scaleY(0);
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    transform-origin: top;
}
.platform-card:hover {
    transform: translate(-6px, -6px);
    border-color: var(--text-black);
    border-bottom-width: 6px;
    box-shadow: 12px 12px 0 var(--bg-elevated);
}
.platform-card:hover::before { transform: scaleY(1); }

.card-arrow { transition: transform 0.3s ease; }
.platform-card:hover .card-arrow { transform: translateX(4px); }

/* ============================================
   MODAL - 弹窗样式
   ============================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    animation: fadeIn 0.3s ease;
    display: none;
    justify-content: center;
    align-items: center;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border: 3px solid var(--text-black);
    padding: 2.5rem;
    max-width: 500px;
    width: 90%;
    box-shadow: 16px 16px 0 var(--bg-elevated);
    position: relative;
    animation: slideIn 0.3s ease;
    clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.modal-content::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 100%;
    background: var(--accent-red);
}

@keyframes slideIn {
    from { transform: translateY(-30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-content h2 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    color: var(--text-black);
}

.modal-content ul {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
}

.modal-content li {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    padding-left: 1.5rem;
    position: relative;
}

.modal-content li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-red);
    font-weight: bold;
}

.modal-content li strong {
    color: var(--accent-red);
}

.close-btn {
    display: block;
    width: 100%;
    padding: 1rem 2rem;
    background: var(--text-black);
    color: white;
    border: none;
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}
.close-btn:hover {
    background: var(--accent-red);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--text-black);
}

/* ============================================
   WELCOME MESSAGE - 欢迎信息
   ============================================ */
.welcome-message {
    background: var(--bg-secondary);
    border: 2px solid var(--border-black);
    border-left: 4px solid var(--accent-red);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.welcome-message:hover {
    transform: translateX(4px);
    box-shadow: 8px 8px 0 var(--bg-elevated);
}

.welcome-message h2 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

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

/* ============================================
   RULES - 规则区域
   ============================================ */
.rules {
    background: var(--bg-secondary);
    border: 2px solid var(--border-black);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.rules:hover {
    transform: translateX(4px);
    box-shadow: 8px 8px 0 var(--bg-elevated);
}

.rules h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.rules ul {
    list-style: none;
    padding: 0;
}

.rules li {
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.rules li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-red);
    font-weight: bold;
    font-size: 1.25rem;
}

/* ============================================
   TIP MESSAGE - 提示信息
   ============================================ */
.tip-message {
    background: var(--bg-secondary);
    border: 2px solid var(--accent-red);
    border-left: 4px solid var(--accent-red);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    animation: pulse-border 2s ease-in-out infinite;
}

@keyframes pulse-border {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 51, 102, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(255, 51, 102, 0); }
}

.tip-message p {
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.6;
    text-align: center;
}

/* ============================================
   PLATFORM NAME - 平台名称高亮
   ============================================ */
.platform-name {
    color: var(--accent-red);
    font-weight: bold;
    transition: all 0.3s ease;
}

.platform-name:hover {
    text-shadow: 0 0 10px rgba(255, 51, 102, 0.5);
}

/* ============================================
   BADGES & TAGS - 徽章标签
   ============================================ */
.liquid-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 5px 12px;
    background: var(--text-black);
    color: white;
}

.liquid-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 3px 8px;
    background: var(--accent-red);
    color: white;
}

/* ============================================
   REVEAL ANIMATION - 滚动显示
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb {
    background: var(--text-black);
    border-radius: 0;
}
::-webkit-scrollbar-thumb:hover { background: var(--accent-red); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .platform-grid { grid-template-columns: 1fr !important; }
    .modal-content { padding: 1.5rem; }
    .modal-content h2 { font-size: 1.4rem; }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .platform-grid { grid-template-columns: repeat(2, 1fr) !important; }
}

/* ============================================
   CONTAINER
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 10;
}

.container.index {
    max-width: 1400px;
}

h1 {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
}

h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-red);
}

/* ============================================
   PLATFORM GRID - 平台网格
   ============================================ */
.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.platform-card h2 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.platform-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.platform-card a {
    display: inline-block;
}

/* ============================================
   CONSULT BUTTON - 咨询按钮
   ============================================ */
.consult-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    background: var(--accent-red);
    color: white;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    border: 2px solid var(--text-black);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.22, 1, 0.36, 1);
    clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
    margin-right: 0.75rem;
    margin-bottom: 0.5rem;
}
.consult-btn:hover {
    background: var(--text-black);
    border-color: var(--accent-red);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--accent-red);
}

/* ============================================
   VISIT BUTTON - 访问官网按钮
   ============================================ */
.visit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    background: var(--bg-secondary);
    color: var(--text-black);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    border: 2px solid var(--text-black);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.22, 1, 0.36, 1);
    clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
    margin-bottom: 0.5rem;
}
.visit-btn:hover {
    background: var(--text-black);
    color: white;
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--accent-red);
}

/* ============================================
   BACK BUTTON - 返回按钮
   ============================================ */
.back-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    background: var(--bg-secondary);
    color: var(--text-black);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    border: 2px solid var(--border-black);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.22, 1, 0.36, 1);
    clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
    margin-top: 1.5rem;
}
.back-btn:hover {
    background: var(--text-black);
    color: white;
    border-color: var(--text-black);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--bg-elevated);
}

/* ============================================
   PLATFORM LINK - 平台链接
   ============================================ */
.platform-link {
    color: var(--accent-red);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.platform-link:hover {
    text-decoration: underline;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 8px 25px rgba(236, 72, 153, 0.3); }
    50% { box-shadow: 0 12px 35px rgba(236, 72, 153, 0.4); }
}

/* ============================================
   MISCELLANEOUS
   ============================================ */
.text-center { text-align: center; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.line-clamp-1 { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }