/* ========================================
   考研打卡 — 产品介绍网页
   Apple-style premium design
   ======================================== */

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

:root {
    /* Colors */
    --primary: #4ECDC4;
    --primary-dark: #3DBDB4;
    --primary-light: rgba(78, 205, 196, 0.15);
    --primary-glow: rgba(78, 205, 196, 0.4);

    --accent-red: #FF6B6B;
    --accent-orange: #F5A623;

    --tab-active: #5B9BD5;

    --bg-dark: #0a0a0a;
    --bg-dark-2: #121212;
    --bg-card-dark: #1E1E1E;
    --bg-light: #F5F5F5;
    --bg-card-light: #FFFFFF;

    --text-primary: #f5f5f7;
    --text-secondary: rgba(245, 245, 247, 0.65);
    --text-tertiary: rgba(245, 245, 247, 0.4);

    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(20px);

    --app-glass: rgba(255, 255, 255, 0.1);
    --app-blur: blur(10px);

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

    --max-width: 1200px;
    --nav-height: 60px;

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(78, 205, 196, 0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(78, 205, 196, 0.5); }

/* ===== Utility ===== */
.text-accent {
    background: linear-gradient(135deg, #4ECDC4, #6FE5DC);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 100px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s var(--ease-out);
    white-space: nowrap;
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--primary);
    color: #0a0a0a;
    box-shadow: 0 4px 20px rgba(78, 205, 196, 0.3);
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(78, 205, 196, 0.5);
}

.btn-ghost {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}
.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

.btn-sm { padding: 10px 20px; font-size: 13px; }
.btn-lg { padding: 18px 40px; font-size: 17px; }

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    transition: all 0.4s var(--ease-out);
}

.nav.scrolled {
    background: rgba(10, 10, 10, 0.72);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
}

.nav-inner {
    max-width: var(--max-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 16px;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 14px;
    color: var(--text-secondary);
    transition: color 0.2s;
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s var(--ease-out);
}
.nav-link:hover { color: var(--text-primary); }
.nav-link:hover::after { width: 100%; }

.nav-cta {
    display: flex;
    align-items: center;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: all 0.3s var(--ease-out);
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== Sections ===== */
.section {
    padding: 120px 24px;
    position: relative;
}

.section-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-eyebrow {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.section-desc {
    font-size: clamp(16px, 2vw, 19px);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Reveal Animation ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Hero ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 24px 60px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero-bg-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 20%, rgba(78, 205, 196, 0.12), transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(108, 92, 231, 0.08), transparent 50%),
                linear-gradient(180deg, #0a0a0a, #0d0d0d);
}

.hero-bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: orbFloat 20s ease-in-out infinite;
}

.hero-bg-orb-1 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, #4ECDC4, transparent 70%);
    top: -100px; left: -100px;
}

.hero-bg-orb-2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, #6C5CE7, transparent 70%);
    bottom: -100px; right: -50px;
    animation-delay: -7s;
}

.hero-bg-orb-3 {
    width: 300px; height: 300px;
    background: radial-gradient(circle, #FF6B6B, transparent 70%);
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(50px, -30px) scale(1.1); }
    66% { transform: translate(-30px, 40px) scale(0.9); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: var(--max-width);
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text { max-width: 560px; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 100px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 28px;
}

.hero-badge-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 12px var(--primary-glow);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-title {
    font-size: clamp(48px, 7vw, 84px);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.hero-title-line {
    display: block;
}

.hero-title-accent {
    background: linear-gradient(135deg, #4ECDC4, #6FE5DC, #4ECDC4);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: clamp(17px, 2vw, 20px);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 36px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
}

.hero-stat {
    text-align: left;
}

.hero-stat-num {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.hero-stat-label {
    font-size: 13px;
    color: var(--text-tertiary);
    margin-top: 4px;
}

.hero-stat-divider {
    width: 1px;
    height: 36px;
    background: var(--glass-border);
}

.hero-scroll-hint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-tertiary);
    z-index: 1;
}

.hero-scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, var(--primary), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ===== Phone Mockup ===== */
.phone-mockup {
    position: relative;
    width: 300px;
    margin: 0 auto;
}

.phone-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 9 / 19.5;
    background: #1a1a1a;
    border-radius: 42px;
    border: 3px solid #2a2a2a;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.05),
        0 30px 80px rgba(0, 0, 0, 0.5),
        0 10px 40px rgba(78, 205, 196, 0.1);
    overflow: hidden;
    transition: transform 0.5s var(--ease-out);
}

.phone-frame:hover {
    transform: translateY(-5px);
}

.phone-notch {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 90px;
    height: 24px;
    background: #000;
    border-radius: 14px;
    z-index: 10;
}

.phone-screen {
    position: relative;
    width: 100%;
    height: 100%;
    background: #000000;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.phone-glow {
    position: absolute;
    inset: -20px;
    background: radial-gradient(ellipse at center, rgba(78, 205, 196, 0.15), transparent 60%);
    z-index: -1;
    filter: blur(40px);
}

.phone-home-indicator {
    position: absolute;
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    z-index: 10;
}

/* Small phone variant */
.phone-mockup-small {
    width: 248px;
}

.phone-mockup-small .phone-frame {
    border-radius: 34px;
    border-width: 2px;
}

.phone-notch-small {
    width: 70px;
    height: 18px;
    border-radius: 10px;
    top: 7px;
}

.phone-screen-small {
    border-radius: 32px;
}

/* Dialog phone variant */
.phone-mockup-dialog {
    width: 220px;
}

/* Dark phone variant (collaboration) */
.phone-frame-dark {
    background: #0d0d0d;
    border-color: #1a1a1a;
}

.phone-screen-dark {
    background: #000000;
}

/* ===== Status Bar ===== */
.status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 24px 4px;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    flex-shrink: 0;
}

.status-bar-dark { color: #fff; }

.status-bar-small {
    padding: 10px 16px 2px;
    font-size: 10px;
}

.status-bar-small .status-time { font-size: 10px; }

.status-time {
    font-size: 12px;
}

.status-icons {
    display: flex;
    align-items: center;
    gap: 4px;
    color: #fff;
}

/* ===== App Navbar ===== */
.app-navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    background: transparent;
    flex-shrink: 0;
    position: relative;
}

.app-navbar-title {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.app-navbar-home .app-navbar-title {
    position: static;
    left: auto;
    transform: none;
    margin-right: auto;
}

.app-navbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
}

.app-navbar-ai {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}

.app-navbar-ai:hover {
    background: rgba(255, 255, 255, 0.15);
}

.app-navbar-ai svg {
    width: 20px;
    height: 20px;
}

.app-navbar-share {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}

.app-navbar-share:hover {
    background: rgba(255, 255, 255, 0.15);
}

.app-navbar-back {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}

.app-navbar-back:hover {
    background: rgba(255, 255, 255, 0.15);
}

.app-navbar-small {
    padding: 6px 12px;
}

.app-navbar-small .app-navbar-title {
    font-size: 12px;
}

.app-navbar-small .app-navbar-ai,
.app-navbar-small .app-navbar-share,
.app-navbar-small .app-navbar-back {
    width: 26px;
    height: 26px;
}

.app-navbar-small .app-navbar-ai svg,
.app-navbar-small .app-navbar-share svg,
.app-navbar-small .app-navbar-back svg {
    width: 14px;
    height: 14px;
}

/* ===== App Content ===== */
.app-content {
    flex: 1;
    overflow-y: auto;
    padding: 8px 16px 80px;
    scrollbar-width: none;
    background: transparent;
}

.app-content.detail-content {
    padding: 8px 24px 80px;
}
.app-content::-webkit-scrollbar { display: none; }

.app-clockin {
    background: transparent;
}

/* ===== Tab Panels ===== */
.tab-panel {
    display: none;
}
.tab-panel-active {
    display: block;
}

/* ===== Countdown Card ===== */
.countdown-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--app-glass);
    backdrop-filter: var(--app-blur);
    -webkit-backdrop-filter: var(--app-blur);
    border-radius: 16px;
    padding: 16px;
    margin-bottom: 12px;
}

.countdown-card-left {
    display: flex;
    flex-direction: column;
}

.countdown-card-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.countdown-card-num {
    font-size: 56px;
    font-weight: 700;
    color: var(--accent-red);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.countdown-card-unit {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.6);
}

.countdown-card-right {
    flex-shrink: 0;
}

.countdown-ring {
    position: relative;
    width: 72px;
    height: 72px;
}

.countdown-ring-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
}

.countdown-ring-fill {
    transition: stroke-dashoffset 1.5s var(--ease-out);
}

.countdown-card-small {
    padding: 12px;
}

.countdown-card-small .countdown-card-label {
    font-size: 11px;
}

.countdown-card-small .countdown-card-unit {
    font-size: 14px;
}

/* ===== Stats Bar ===== */
.stats-bar {
    display: flex;
    align-items: center;
    background: var(--app-glass);
    backdrop-filter: var(--app-blur);
    -webkit-backdrop-filter: var(--app-blur);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
}

.stats-item {
    flex: 1;
    text-align: center;
}

.stats-num {
    font-size: 28px;
    font-weight: 700;
    line-height: 1;
}

.stats-num-cyan { color: var(--primary); }
.stats-num-red { color: var(--accent-red); }

.stats-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 4px;
}

.stats-divider {
    width: 1px;
    height: 40px;
    background: #E0E0E0;
    opacity: 0.3;
    flex-shrink: 0;
}

/* ===== Filter Bar ===== */
.filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 4px;
    margin-bottom: 8px;
}

.filter-count {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

.filter-chip {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
    background: var(--app-glass);
    border-radius: 12px;
    padding: 4px 10px;
}

/* ===== Plan Section ===== */
.plan-section {
    margin-bottom: 16px;
}

.plan-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    padding: 0 4px;
}

.plan-section-title {
    font-size: 16px;
    font-weight: 700;
    flex-shrink: 0;
}

.plan-section-red { color: var(--accent-red); }
.plan-section-cyan { color: var(--primary); }

.plan-section-bar {
    height: 24px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    overflow: hidden;
    flex: 1;
    max-width: 80px;
    margin-left: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.plan-section-bar-fill {
    height: 100%;
    border-radius: 12px;
    transition: width 1s var(--ease-out);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.plan-section-bar-text {
    font-size: 11px;
    font-weight: 600;
    color: #fff;
    z-index: 1;
    letter-spacing: 0.2px;
}

/* ===== Plan Card ===== */
.plan-card {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--app-glass);
    backdrop-filter: var(--app-blur);
    -webkit-backdrop-filter: var(--app-blur);
    border-radius: 12px;
    padding: 12px;
    margin: 8px 0;
    transition: all 0.3s var(--ease-out);
    cursor: pointer;
}

.plan-card:hover {
    background: rgba(255, 255, 255, 0.2);
}

.plan-card-main {
    flex: 1;
    min-width: 0;
}

.plan-card-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.plan-card-name {
    font-size: 16px;
    font-weight: 500;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.plan-card-tag {
    font-size: 10px;
    color: #2B1B00;
    background: #F5A623;
    border-radius: 8px;
    padding: 2px 8px;
    flex-shrink: 0;
    white-space: nowrap;
    font-weight: 500;
}

.plan-card-date {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 4px;
}

.plan-card-right {
    text-align: right;
    flex-shrink: 0;
}

.plan-card-progress-text {
    display: flex;
    align-items: baseline;
    justify-content: flex-end;
}

.plan-card-days {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    display: inline-block;
    transition: transform 0.3s ease;
}

.plan-card-total {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
}

.plan-card-days-label {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.4);
}

.plan-card-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.plan-card-pin {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(78, 205, 196, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.2s;
}

.plan-card-pin:hover {
    background: #fff;
    transform: scale(1.05);
}

.plan-card-btn {
    background: var(--primary);
    color: #0a0a0a;
    font-size: 13px;
    border: none;
    border-radius: 17px;
    height: 34px;
    padding: 0 14px;
    cursor: pointer;
    flex-shrink: 0;
    font-weight: 600;
    transition: all 0.2s;
}

.plan-card-btn:hover {
    background: var(--primary-dark);
}

.plan-card-btn-done {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    cursor: default;
}

.plan-card-btn-done:hover {
    background: rgba(255, 255, 255, 0.1);
}

.plan-card-done {
    opacity: 0.6;
}

.plan-card-done .plan-card-name {
    text-decoration: line-through;
    text-decoration-color: rgba(255, 255, 255, 0.3);
}

.plan-card-done .plan-card-days {
    color: rgba(255, 255, 255, 0.4);
}

.plan-card-highlight {
    border: 1px solid var(--primary);
    box-shadow: 0 0 20px rgba(78, 205, 196, 0.2);
    background: rgba(78, 205, 196, 0.08);
}

/* ===== FAB ===== */
.fab {
    position: absolute;
    bottom: 86px;
    right: 16px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #4ECDC4, #3a9e8f);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), 0 2px 8px rgba(58, 158, 143, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 6;
    cursor: pointer;
    transition: transform 0.2s var(--ease-spring);
}

.fab:hover {
    transform: scale(1.1);
}

.fab:active {
    transform: scale(0.95);
}

/* ===== Tab Bar — 悬浮胶囊光感 (匹配 BottomTabBarStyle + barFloatingStyle + ADAPTIVE 材质) ===== */
.tab-bar {
    position: absolute;
    bottom: 26px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 32px);
    max-width: 280px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 7px;
    z-index: 5;
    /* 沉浸光感：自适应毛玻璃 + 渐变光泽 + 细高光描边 + 投影 */
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(26px) saturate(170%);
    -webkit-backdrop-filter: blur(26px) saturate(170%);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 28px;
    box-shadow:
        0 10px 30px rgba(0, 0, 0, 0.4),
        0 2px 8px rgba(78, 205, 196, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.tab-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    font-size: 10px;
    color: rgba(255, 255, 255, 0.45);
    cursor: pointer;
    transition: color 0.25s, background 0.25s, transform 0.25s;
    flex: 1;
    max-width: 72px;
    height: 42px;
    border-radius: 21px;
}

.tab-item svg { transition: all 0.2s; }

.tab-item:active {
    transform: scale(0.92);
}

.tab-item-active {
    color: var(--tab-active);
}

.tab-item-active svg path {
    fill: var(--tab-active);
}

.tab-bar-interactive .tab-item {
    pointer-events: auto;
}

/* ===== Settings ===== */
.settings-scroll {
    padding: 8px 0;
}

.settings-group-header {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    padding: 16px 16px 8px;
}

.settings-card {
    background: var(--app-glass);
    backdrop-filter: var(--app-blur);
    -webkit-backdrop-filter: var(--app-blur);
    border-radius: 12px;
    padding: 0 16px;
    margin-bottom: 8px;
}

.settings-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.settings-row:last-child {
    border-bottom: none;
}

.settings-row-text {
    font-size: 15px;
    color: #fff;
}

.settings-row-left {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.settings-row-sub {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
}

.settings-row-value {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    display: flex;
    align-items: center;
    gap: 4px;
}

.settings-toggle {
    width: 44px;
    height: 26px;
    border-radius: 13px;
    background: rgba(255, 255, 255, 0.1);
    position: relative;
    transition: background 0.3s;
    cursor: pointer;
    flex-shrink: 0;
}

.settings-toggle-on {
    background: var(--primary);
}

.settings-toggle-knob {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #fff;
    transition: transform 0.3s var(--ease-spring);
}

.settings-toggle-on .settings-toggle-knob {
    transform: translateX(18px);
}

.settings-arrow {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.3);
    margin-left: 4px;
}

.settings-ai-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(78, 205, 196, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.2s;
}

.settings-ai-btn:hover {
    background: rgba(78, 205, 196, 0.25);
}

.settings-footer {
    text-align: center;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
    padding: 20px;
}

/* ===== Notes Page ===== */
.notes-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100%;
    text-align: center;
    padding: 20px;
}

.notes-page-text {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 16px;
    line-height: 1.5;
}

/* ===== Detail Page (inside phone) ===== */
.detail-image-area {
    height: 180px;
    background: var(--app-glass);
    backdrop-filter: var(--app-blur);
    -webkit-backdrop-filter: var(--app-blur);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.detail-image-hint {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 8px;
}

.detail-image-hint-sub {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.3);
    margin-top: 2px;
}

.detail-plan-name {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
}

.detail-cat-badge {
    display: inline-block;
    font-size: 12px;
    color: #2B1B00;
    background: #F5A623;
    border-radius: 8px;
    padding: 4px 10px;
    margin-top: 8px;
    font-weight: 500;
}

.detail-info-card {
    background: var(--app-glass);
    backdrop-filter: var(--app-blur);
    -webkit-backdrop-filter: var(--app-blur);
    border-radius: 16px;
    padding: 12px 16px;
    margin-top: 16px;
}

.detail-info-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 14px;
}

.detail-info-row:last-child {
    border-bottom: none;
}

.detail-info-label {
    color: rgba(255, 255, 255, 0.5);
}

.detail-info-value {
    color: #fff;
    font-weight: 500;
}

.detail-notes-label {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.65);
    margin-top: 16px;
    margin-bottom: 8px;
}

.detail-notes-area {
    background: var(--app-glass);
    backdrop-filter: var(--app-blur);
    -webkit-backdrop-filter: var(--app-blur);
    border-radius: 16px;
    padding: 12px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.3);
    min-height: 50px;
    margin-bottom: 12px;
}

.detail-ocr-btn {
    width: 100%;
    height: 44px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.detail-ocr-btn:hover {
    background: var(--primary-dark);
}

.detail-side-fab {
    position: absolute;
    bottom: 110px;
    right: 12px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #4A90D9;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    transition: transform 0.2s;
}

.detail-side-fab:hover {
    transform: scale(1.05);
}

/* Small phone detail page overrides — 避免 200px 小屏内容“撑满” */
.phone-mockup-small .app-content.detail-content {
    padding: 12px 20px 80px;
}

.phone-mockup-small .detail-image-area {
    height: 150px;
    border-radius: 14px;
    margin-bottom: 14px;
}

.phone-mockup-small .detail-plan-name {
    font-size: 22px;
}

.phone-mockup-small .detail-cat-badge {
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 6px;
}

.phone-mockup-small .detail-info-card {
    border-radius: 14px;
    padding: 10px 14px;
    margin-top: 14px;
}

.phone-mockup-small .detail-info-row {
    padding: 8px 0;
    font-size: 12px;
}

.phone-mockup-small .detail-notes-label {
    font-size: 13px;
    margin-top: 14px;
    margin-bottom: 6px;
}

.phone-mockup-small .detail-notes-area {
    border-radius: 14px;
    padding: 10px;
    min-height: 42px;
    font-size: 12px;
}

.phone-mockup-small .detail-ocr-btn {
    height: 38px;
    border-radius: 10px;
    font-size: 13px;
}

.phone-mockup-small .detail-side-fab {
    bottom: 100px;
    right: 16px;
    width: 44px;
    height: 44px;
}

.phone-mockup-small .app-navbar {
    padding: 8px 20px;
}

.phone-mockup-small .app-navbar-small {
    padding: 6px 16px;
}

/* Small phone home/clockin overrides — 让“点击计划卡片”展示完整首页打卡 UI */
.phone-mockup-small .countdown-card {
    padding: 12px;
    margin-bottom: 10px;
    border-radius: 14px;
}

.phone-mockup-small .countdown-card-num {
    font-size: 40px;
}

.phone-mockup-small .countdown-card-label {
    font-size: 12px;
}

.phone-mockup-small .countdown-card-unit {
    font-size: 14px;
}

.phone-mockup-small .countdown-ring {
    width: 60px;
    height: 60px;
}

.phone-mockup-small .countdown-ring svg {
    width: 60px;
    height: 60px;
}

.phone-mockup-small .countdown-ring-text {
    font-size: 12px;
}

.phone-mockup-small .stats-bar {
    padding: 12px;
    margin-bottom: 10px;
    border-radius: 12px;
}

.phone-mockup-small .stats-num {
    font-size: 22px;
}

.phone-mockup-small .stats-label {
    font-size: 11px;
    margin-top: 2px;
}

.phone-mockup-small .filter-bar {
    padding: 6px 4px;
    margin-bottom: 6px;
}

.phone-mockup-small .plan-section {
    margin-bottom: 12px;
}

.phone-mockup-small .plan-section-title {
    font-size: 13px;
}

.phone-mockup-small .plan-section-bar {
    height: 18px;
    max-width: 60px;
    margin-left: 8px;
}

.phone-mockup-small .plan-card {
    padding: 12px;
    margin: 6px 0;
    border-radius: 12px;
    gap: 8px;
}

.phone-mockup-small .plan-card-name {
    font-size: 14px;
}

.phone-mockup-small .plan-card-date {
    font-size: 11px;
}

.phone-mockup-small .plan-card-days {
    font-size: 16px;
}

.phone-mockup-small .plan-card-total {
    font-size: 12px;
}

.phone-mockup-small .plan-card-pin {
    width: 28px;
    height: 28px;
    border-radius: 6px;
}

.phone-mockup-small .plan-card-pin svg {
    width: 14px;
    height: 14px;
}

.phone-mockup-small .plan-card-actions {
    gap: 4px;
}

.phone-mockup-small .plan-card-btn {
    height: 28px;
    padding: 0 10px;
    font-size: 11px;
    border-radius: 14px;
}

.phone-mockup-small .fab {
    width: 40px;
    height: 40px;
    bottom: 80px;
    right: 12px;
}

.phone-mockup-small .fab svg {
    width: 18px;
    height: 18px;
}

/* ===== Completed Dialog ===== */
.completed-dialog {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20;
    padding: 20px;
}

.completed-dialog-card {
    background: rgba(30, 30, 30, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 32px 24px;
    text-align: center;
    width: 100%;
    max-width: 260px;
}

.completed-dialog-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: #4ECDC4;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.completed-dialog-icon svg path {
    fill: #fff;
}

.completed-dialog-title {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}

.completed-dialog-quote {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 20px;
    line-height: 1.5;
}

.quote-mark {
    color: var(--primary);
    font-size: 20px;
    font-weight: 700;
}

.completed-dialog-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 24px;
}

.completed-dialog-stat {
    text-align: center;
}

.completed-dialog-stat-num {
    font-size: 28px;
    font-weight: 700;
    line-height: 1;
}

.completed-dialog-stat-label {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 4px;
}

.completed-dialog-stat-divider {
    width: 1px;
    height: 36px;
    background: rgba(255, 255, 255, 0.2);
    flex-shrink: 0;
}

.completed-dialog-btn {
    width: 100%;
    height: 48px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 24px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.completed-dialog-btn:hover {
    background: var(--primary-dark);
}

/* ===== Countdown Section ===== */
.section-countdown {
    background: linear-gradient(180deg, #0a0a0a, #0d0d0d);
}

.countdown-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.countdown-visual {
    position: relative;
}

.countdown-big-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.1), rgba(108, 92, 231, 0.05));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    position: relative;
    overflow: hidden;
}

.countdown-big-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(78, 205, 196, 0.08), transparent 60%);
    animation: rotate 20s linear infinite;
}

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

.countdown-big-left {
    position: relative;
}

.countdown-big-label {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    position: relative;
}

.countdown-big-number {
    font-size: 100px;
    font-weight: 900;
    line-height: 1;
    background: linear-gradient(180deg, #4ECDC4, #3DBDB4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.05em;
    position: relative;
}

.countdown-big-unit {
    font-size: 24px;
    color: var(--text-secondary);
    margin-top: 8px;
    position: relative;
}

.countdown-big-right {
    position: relative;
    flex-shrink: 0;
}

.countdown-big-ring {
    position: relative;
    width: 100px;
    height: 100px;
}

.countdown-big-ring-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.countdown-big-ring-fill {
    transition: stroke-dashoffset 1.5s var(--ease-out);
}

.countdown-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.countdown-feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.countdown-feature-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-light);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.countdown-feature h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
}

.countdown-feature p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===== Features Section ===== */
.section-features {
    background: #0a0a0a;
}

.features-showcase {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 80px;
    align-items: center;
}

.phone-interactive {
    position: sticky;
    top: 100px;
}

.features-detail {
    position: relative;
}

.feature-detail {
    display: none;
}
.feature-detail-active {
    display: block;
    animation: fadeInUp 0.5s var(--ease-out);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.feature-detail-icon {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-detail h3 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.feature-detail p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

.feature-detail-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.feature-detail-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text-primary);
}

.check-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--c, var(--primary));
    flex-shrink: 0;
    box-shadow: 0 0 8px var(--c, var(--primary));
}

.feature-switcher {
    display: flex;
    gap: 8px;
    border-top: 1px solid var(--glass-border);
    padding-top: 24px;
}

.feature-switcher-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 16px;
    border-radius: 12px;
    background: transparent;
    border: 1px solid var(--glass-border);
    cursor: pointer;
    transition: all 0.3s var(--ease-out);
    text-align: left;
    color: var(--text-secondary);
}

.feature-switcher-btn:hover {
    background: var(--glass-bg);
    border-color: rgba(78, 205, 196, 0.3);
}

.feature-switcher-active {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--text-primary);
}

.feature-switcher-num {
    font-size: 12px;
    color: var(--primary);
    font-weight: 700;
}

.feature-switcher-btn span:last-child {
    font-size: 15px;
    font-weight: 600;
}

/* ===== Detail Section ===== */
.section-detail {
    background: linear-gradient(180deg, #0a0a0a, #0d0d0d);
}

.detail-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.detail-phone-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

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

.detail-stage-label {
    font-size: 13px;
    color: var(--text-tertiary);
    font-weight: 500;
}

.detail-arrow {
    flex-shrink: 0;
    animation: arrowPulse 2s ease-in-out infinite;
}

@keyframes arrowPulse {
    0%, 100% { transform: translateX(0); opacity: 0.6; }
    50% { transform: translateX(8px); opacity: 1; }
}

.detail-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.detail-feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all 0.3s var(--ease-out);
}

.detail-feature-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
    border-color: rgba(78, 205, 196, 0.2);
}

.detail-feature-num {
    font-size: 14px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 12px;
}

.detail-feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.detail-feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===== Dialog Section ===== */
.section-dialog {
    background: #0a0a0a;
}

.dialog-showcase {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 60px;
    align-items: center;
}

.dialog-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.dialog-feature {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    transition: all 0.3s var(--ease-out);
}

.dialog-feature:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(4px);
    border-color: rgba(78, 205, 196, 0.2);
}

.dialog-feature h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.dialog-feature p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===== AI Section — 小艺对话风格 ===== */
.section-ai {
    background: #0a0a0a;
}

.ai-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.ai-chat-demo {
    max-width: 420px;
}

.ai-chat-window {
    background: linear-gradient(180deg, #E8EAF6 0%, #D7DCEF 100%);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
}

.ai-chat-body {
    padding: 20px 16px;
    max-height: 460px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    scrollbar-width: none;
}
.ai-chat-body::-webkit-scrollbar { display: none; }

.ai-msg {
    display: flex;
    max-width: 92%;
}

.ai-msg-user {
    align-self: flex-end;
}

.ai-msg-bot {
    align-self: flex-start;
}

.ai-msg-bubble {
    padding: 14px 16px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.6;
}

.ai-msg-user .ai-msg-bubble {
    background: #C5D8F0;
    color: #1a1a1a;
    border-bottom-right-radius: 4px;
    font-weight: 400;
}

.ai-msg-bot .ai-msg-bubble {
    background: rgba(255, 255, 255, 0.95);
    color: #1a1a1a;
    border-bottom-left-radius: 4px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.ai-reply-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    font-weight: 700;
    color: #1a1a1a;
}

.ai-reply-header:not(:first-child) {
    margin-top: 16px;
}

.ai-reply-icon {
    font-size: 16px;
}

.ai-reply-title {
    font-size: 15px;
}

.ai-reply-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ai-reply-list li {
    position: relative;
    padding-left: 14px;
    font-size: 14px;
    color: #333;
    line-height: 1.5;
}

.ai-reply-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #1a1a1a;
}

.ai-reply-paragraph {
    font-size: 14px;
    color: #333;
    line-height: 1.6;
    margin-top: 8px;
}

.ai-chat-input {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.7);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.ai-chat-input-icon {
    font-size: 18px;
    opacity: 0.7;
}

.ai-chat-input-placeholder {
    flex: 1;
    font-size: 14px;
    color: #666;
    text-align: center;
}

.ai-chat-input-chevron {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
}

.ai-chat-footer {
    text-align: center;
    font-size: 11px;
    color: #999;
    padding: 6px 0 10px;
    background: rgba(255, 255, 255, 0.7);
}

.ai-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ai-feature {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    transition: all 0.3s var(--ease-out);
}

.ai-feature:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(4px);
    border-color: rgba(78, 205, 196, 0.2);
}

.ai-feature h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.ai-feature p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===== Collaboration Section ===== */
.section-collaboration {
    background: linear-gradient(180deg, #0a0a0a, #0d0d0d);
}

.collab-showcase {
    display: grid;
    grid-template-columns: 1.35fr 0.65fr;
    gap: 60px;
    align-items: center;
}

.collab-devices {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    position: relative;
}

.collab-device {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.phone-mockup-collab {
    width: 240px;
}

/* Collab phone: 与 Features 区一致的标准首页打卡 UI 尺寸适配 */
.phone-mockup-collab .countdown-card {
    padding: 12px;
    margin-bottom: 10px;
    border-radius: 14px;
}

.phone-mockup-collab .countdown-card-num {
    font-size: 40px;
}

.phone-mockup-collab .countdown-card-label {
    font-size: 12px;
}

.phone-mockup-collab .countdown-card-unit {
    font-size: 14px;
}

.phone-mockup-collab .countdown-ring {
    width: 60px;
    height: 60px;
}

.phone-mockup-collab .countdown-ring svg {
    width: 60px;
    height: 60px;
}

.phone-mockup-collab .countdown-ring-text {
    font-size: 12px;
}

.phone-mockup-collab .stats-bar {
    padding: 12px;
    margin-bottom: 10px;
    border-radius: 12px;
}

.phone-mockup-collab .stats-num {
    font-size: 22px;
}

.phone-mockup-collab .stats-label {
    font-size: 11px;
    margin-top: 2px;
}

.phone-mockup-collab .filter-bar {
    padding: 6px 4px;
    margin-bottom: 6px;
}

.phone-mockup-collab .plan-section {
    margin-bottom: 12px;
}

.phone-mockup-collab .plan-section-title {
    font-size: 13px;
}

.phone-mockup-collab .plan-section-bar {
    height: 18px;
    max-width: 60px;
    margin-left: 8px;
}

.phone-mockup-collab .plan-card {
    padding: 12px;
    margin: 6px 0;
    border-radius: 12px;
    gap: 8px;
}

.phone-mockup-collab .plan-card-name {
    font-size: 14px;
}

.phone-mockup-collab .plan-card-date {
    font-size: 11px;
}

.phone-mockup-collab .plan-card-days {
    font-size: 16px;
}

.phone-mockup-collab .plan-card-total {
    font-size: 12px;
}

.phone-mockup-collab .plan-card-pin {
    width: 28px;
    height: 28px;
    border-radius: 6px;
}

.phone-mockup-collab .plan-card-pin svg {
    width: 14px;
    height: 14px;
}

.phone-mockup-collab .plan-card-actions {
    gap: 4px;
}

.phone-mockup-collab .plan-card-btn {
    height: 28px;
    padding: 0 10px;
    font-size: 11px;
    border-radius: 14px;
}

.phone-mockup-collab .fab {
    width: 40px;
    height: 40px;
    bottom: 80px;
    right: 12px;
}

.phone-mockup-collab .fab svg {
    width: 18px;
    height: 18px;
}

.collab-device-label {
    font-size: 14px;
    color: var(--text-tertiary);
    font-weight: 500;
}

.collab-sync-line {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: 72px;
}

.collab-sync-line::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.collab-sync-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 20px var(--primary-glow);
    animation: syncPulse 1.5s ease-in-out infinite;
}

@keyframes syncPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    50% { transform: translate(-50%, -50%) scale(1.5); opacity: 0.5; }
}

.collab-sync-text {
    position: absolute;
    top: calc(50% + 16px);
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    color: var(--primary);
    white-space: nowrap;
    background: var(--bg-dark);
    padding: 2px 8px;
    border-radius: 4px;
}

/* Watch Mockup */
.watch-mockup {
    position: relative;
    width: 160px;
}

.watch-frame {
    position: relative;
    z-index: 2;
    width: 140px;
    height: 170px;
    margin: 0 auto;
    background: #1a1a1a;
    border-radius: 36px;
    border: 3px solid #2a2a2a;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.05),
        0 20px 50px rgba(0, 0, 0, 0.5),
        0 5px 20px rgba(78, 205, 196, 0.1);
    overflow: hidden;
}

.watch-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #0d0d0d, #1a1a2e);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 30px;
}

.watch-content {
    text-align: center;
    padding: 10px;
}

.watch-time {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 600;
}

.watch-label {
    font-size: 9px;
    color: rgba(255, 255, 255, 0.3);
    margin-top: 2px;
}

.watch-countdown {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    margin-top: 4px;
}

.watch-progress {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 8px auto;
}

.watch-progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
}

.watch-plan {
    font-size: 9px;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 4px;
}

.watch-crown {
    position: absolute;
    right: -5px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 24px;
    background: #2a2a2a;
    border-radius: 3px 0 0 3px;
}

.watch-band {
    position: absolute;
    z-index: 1;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 50px;
    background: linear-gradient(180deg, #1a1a1a, #0d0d0d);
}

.watch-band-top { top: -45px; border-radius: 20px 20px 4px 4px; }
.watch-band-bottom { bottom: -45px; border-radius: 4px 4px 20px 20px; }

.collab-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.collab-feature {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all 0.3s var(--ease-out);
}

.collab-feature:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
    border-color: rgba(78, 205, 196, 0.2);
}

.collab-feature-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.collab-feature h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.collab-feature p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===== Tech Grid ===== */
.section-tech {
    background: #0a0a0a;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.tech-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: left;
    transition: all 0.4s var(--ease-out);
    cursor: default;
    position: relative;
    overflow: hidden;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s var(--ease-out);
}

.tech-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-6px);
    border-color: rgba(78, 205, 196, 0.2);
    box-shadow: 0 10px 40px rgba(78, 205, 196, 0.1);
}

.tech-card:hover::before {
    transform: translateX(0);
}

.tech-card-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-light);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.tech-card h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.tech-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===== Theme Section ===== */
.section-theme {
    background: linear-gradient(180deg, #0a0a0a, #0d0d0d);
}

.theme-showcase {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

.theme-card {
    flex: 1;
    min-width: 300px;
    max-width: 400px;
    border-radius: var(--radius-xl);
    padding: 40px;
    border: 1px solid var(--glass-border);
    transition: all 0.3s var(--ease-out);
}

.theme-card:hover { transform: translateY(-4px); }

.theme-light {
    background: #F5F5F5;
    color: #333;
}

.theme-dark {
    background: #121212;
    color: #fff;
}

.theme-card-label {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 24px;
}

.theme-color-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(128, 128, 128, 0.1);
    font-size: 14px;
    font-family: 'SF Mono', 'Fira Code', monospace;
}

.theme-light .theme-color-row { border-color: rgba(0, 0, 0, 0.06); }
.theme-dark .theme-color-row { border-color: rgba(255, 255, 255, 0.06); }

.theme-color-dot {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    border: 1px solid rgba(128, 128, 128, 0.2);
    flex-shrink: 0;
}

/* ===== Download Section ===== */
.section-download {
    background: #0a0a0a;
    padding: 100px 24px;
}

.download-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.download-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 100px;
    background: var(--primary-light);
    border: 1px solid rgba(78, 205, 196, 0.2);
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 24px;
}

.download-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    line-height: 1.15;
}

.download-desc {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 36px;
}

.download-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 32px;
}

.download-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-tertiary);
    flex-wrap: wrap;
}

.download-meta .dot { opacity: 0.5; }

/* ===== Footer ===== */
.footer {
    background: #060606;
    border-top: 1px solid var(--glass-border);
    padding: 60px 24px 30px;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.footer-brand { max-width: 300px; }

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 12px;
}

.footer-desc {
    font-size: 14px;
    color: var(--text-tertiary);
}

.footer-team {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 18px;
}

.footer-team-logo {
    height: 72px;
    width: auto;
    flex-shrink: 0;
}

.footer-team-note {
    font-size: 12px;
    color: var(--text-tertiary);
    line-height: 1.5;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-col a {
    display: block;
    font-size: 13px;
    color: var(--text-tertiary);
    margin-bottom: 10px;
    transition: color 0.2s;
}

.footer-col a:hover { color: var(--primary); }

.footer-bottom {
    max-width: var(--max-width);
    margin: 40px auto 0;
    padding-top: 24px;
    border-top: 1px solid var(--glass-border);
    text-align: center;
}

.footer-bottom p {
    font-size: 12px;
    color: var(--text-tertiary);
}

/* ===== Watch Detailed Mockup (Collaboration Section) ===== */
.watch-mockup-detailed {
    width: 165px;
}

.watch-mockup-detailed .watch-frame {
    width: 155px;
    height: 155px;
    border-radius: 50%;
}

.watch-mockup-detailed .watch-screen {
    border-radius: 50%;
}

.watch-mockup-detailed .watch-band {
    width: 65px;
}

.watch-mockup-detailed .watch-band-top {
    border-radius: 18px 18px 2px 2px;
}

.watch-mockup-detailed .watch-band-bottom {
    border-radius: 2px 2px 18px 18px;
}

.watch-mockup-detailed .watch-crown {
    width: 5px;
    height: 18px;
    right: -3px;
    border-radius: 3px 0 0 3px;
}

.watch-screen-app {
    background: #0D0D0D !important;
    align-items: stretch !important;
    justify-content: flex-start !important;
    border-radius: 36px;
    overflow: hidden;
}

.watch-app-bg {
    width: 100%;
    height: 100%;
    padding: 6px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.watch-sync-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 3px 6px;
}

.watch-sync-status {
    display: flex;
    align-items: center;
    gap: 3px;
    background: #1A1A1A;
    padding: 2px 6px;
    border-radius: 8px;
}

.watch-sync-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.watch-sync-dot-online { background: #4ECDC4; box-shadow: 0 0 4px rgba(78,205,196,0.6); }
.watch-sync-dot-offline { background: #FF6B6B; }

.watch-sync-text {
    font-size: 8px;
    color: #888;
}

.watch-refresh-btn {
    font-size: 8px;
    color: #4ECDC4;
    background: #1A1A1A;
    padding: 2px 8px;
    border-radius: 8px;
}

.watch-countdown-card {
    background: #1A1A1A;
    border-radius: 12px;
    padding: 6px 4px;
    text-align: center;
}

.watch-countdown-label {
    font-size: 7px;
    color: #888888;
}

.watch-countdown-num {
    font-size: 18px;
    font-weight: 700;
    color: #4ECDC4;
    line-height: 1.1;
}

.watch-plan-card {
    background: #1A1A1A;
    border-radius: 12px;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.watch-plan-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.watch-cat-tag {
    font-size: 8px;
    color: #fff;
    padding: 2px 5px;
    border-radius: 4px;
    font-weight: 600;
}

.watch-cat-math { background: #FF6B6B; }
.watch-cat-english { background: #4ECDC4; }
.watch-cat-politics { background: #FF9F43; }
.watch-cat-major { background: #A29BFE; }
.watch-cat-other { background: #81ECEC; }

.watch-clockin-btn {
    font-size: 8px;
    color: #fff;
    background: #4ECDC4;
    border: none;
    padding: 3px 10px;
    border-radius: 10px;
    cursor: pointer;
}

.watch-plan-name {
    font-size: 10px;
    color: #fff;
    font-weight: 500;
    line-height: 1.2;
}

.watch-progress-bar {
    width: 100%;
    height: 4px;
    background: #333;
    border-radius: 2px;
    overflow: hidden;
    margin: 2px 0;
}

.watch-progress-fill {
    height: 100%;
    background: #4ECDC4;
    border-radius: 2px;
    transition: width 1s ease-out;
}

.watch-plan-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.watch-plan-days {
    font-size: 8px;
    color: #888;
}

.watch-plan-absent {
    font-size: 8px;
    color: #FF6B6B;
}

/* ===== Desktop Widget Section ===== */
.section-widget {
    background: var(--bg-secondary);
}

.widget-showcase {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-top: 60px;
}

.widget-card-display {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
    border-radius: 32px;
    background: radial-gradient(circle at 50% 0%, rgba(78,205,196,0.12), transparent 70%);
}

/* 2x2 桌面卡片 — 匹配 WidgetCard.ets 源码布局，独立展示放大以便阅读 */
.widget-card-2x2 {
    width: 210px;
    height: 230px;
    background: linear-gradient(160deg, #1f1f3a 0%, #1A1A2E 100%);
    border-radius: 22px;
    border: 1px solid rgba(255,255,255,0.10);
    box-shadow:
        0 20px 50px rgba(0,0,0,0.45),
        0 0 0 1px rgba(78,205,196,0.12),
        0 8px 30px rgba(78,205,196,0.12);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    padding: 18px 20px;
    cursor: pointer;
    transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.widget-card-2x2:hover {
    transform: translateY(-6px);
    box-shadow:
        0 26px 60px rgba(0,0,0,0.5),
        0 0 0 1px rgba(78,205,196,0.25),
        0 12px 36px rgba(78,205,196,0.18);
}

.widget-card-top {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.widget-card-countdown-label {
    font-size: 12px;
    color: #FFFFFF;
    opacity: 0.8;
    margin-bottom: 4px;
}

.widget-card-countdown-num {
    font-size: 46px;
    font-weight: 700;
    color: #FF6B6B;
    line-height: 1;
    margin-bottom: 4px;
}

.widget-card-countdown-unit {
    font-size: 14px;
    font-weight: 400;
    color: #FFFFFF;
    opacity: 0.9;
    margin-left: 2px;
}

.widget-card-status {
    font-size: 13px;
    text-align: center;
    margin-bottom: 12px;
    white-space: nowrap;
}

/* 全部打卡：#4ECDC4 / 未打卡：#FF9500 / 无计划：白色 */
.widget-card-status-done { color: #4ECDC4; }
.widget-card-status-none { color: #FF9500; }
.widget-card-status-empty { color: #FFFFFF; opacity: 0.6; }

.widget-card-footer {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 0 2px;
    margin-top: auto;
}

.widget-card-brand {
    font-size: 11px;
    color: #FFFFFF;
    opacity: 0.5;
}

.widget-card-refresh {
    margin-left: auto;
    font-size: 18px;
    color: #FFFFFF;
    opacity: 0.7;
    cursor: pointer;
}

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

.widget-feature {
    text-align: center;
    padding: 24px 16px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.widget-feature:hover {
    background: rgba(78,205,196,0.05);
    border-color: rgba(78,205,196,0.2);
    transform: translateY(-4px);
}

.widget-feature-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 12px;
    background: rgba(78,205,196,0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.widget-feature h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.widget-feature p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===== System Reminder Section ===== */
.section-reminder {
    background: var(--bg-primary);
}

.reminder-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 60px;
}

.reminder-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 20px;
    padding: 28px;
}

.reminder-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.reminder-card-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.reminder-card-badge {
    font-size: 11px;
    color: #4ECDC4;
    background: rgba(78,205,196,0.1);
    padding: 4px 12px;
    border-radius: 12px;
    font-family: 'SF Mono', 'Fira Code', monospace;
}

.reminder-calendar {
    background: rgba(0,0,0,0.2);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
}

.reminder-cal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.reminder-cal-year {
    color: var(--text-secondary);
    font-weight: 400;
}

.reminder-cal-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    margin-bottom: 6px;
}

.reminder-cal-weekdays span {
    text-align: center;
    font-size: 11px;
    color: var(--text-tertiary);
    padding: 4px 0;
}

.reminder-cal-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}

.reminder-cal-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--text-secondary);
    border-radius: 6px;
    position: relative;
}

.reminder-cal-day-other {
    color: var(--text-disabled);
    opacity: 0.3;
}

.reminder-cal-day-event {
    color: #4ECDC4;
    font-weight: 600;
}

.reminder-cal-day-event::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #4ECDC4;
}

.reminder-cal-day-today {
    background: #4ECDC4;
    color: #000;
    font-weight: 700;
}

.reminder-cal-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.reminder-cal-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.reminder-cal-dot-cyan { background: #4ECDC4; }

.reminder-notification-stack {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
}

.reminder-notification {
    display: flex;
    gap: 12px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 14px;
    padding: 14px;
    transition: transform 0.2s ease;
}

.reminder-notification:hover {
    transform: translateX(4px);
}

.reminder-notif-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
}

.reminder-notif-content {
    flex: 1;
}

.reminder-notif-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.reminder-notif-body {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-bottom: 4px;
}

.reminder-notif-time {
    font-size: 11px;
    color: var(--text-tertiary);
}

.reminder-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.reminder-tech-tag {
    font-size: 11px;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.05);
    padding: 4px 10px;
    border-radius: 8px;
    font-family: 'SF Mono', 'Fira Code', monospace;
}

/* ===== Smart Capabilities Section ===== */
.section-smart {
    background: var(--bg-secondary);
}

.smart-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 60px;
}

.smart-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.smart-card:hover {
    border-color: rgba(78,205,196,0.2);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(78,205,196,0.08);
}

.smart-card-visual {
    height: 200px;
    background: rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.smart-card-content {
    padding: 24px;
}

.smart-card-badge {
    display: inline-block;
    font-size: 11px;
    color: #4ECDC4;
    background: rgba(78,205,196,0.1);
    padding: 3px 10px;
    border-radius: 8px;
    font-family: 'SF Mono', 'Fira Code', monospace;
    margin-bottom: 10px;
}

.smart-card-content h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.smart-card-content p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Grip Detection Demo */
.smart-grip-demo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.smart-grip-phone {
    position: relative;
    width: 92px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.smart-grip-screen {
    position: relative;
    width: 92px;
    height: 158px;
    background: #0e0f12;
    border: 2px solid #2c2e33;
    border-radius: 16px;
    padding: 14px 12px 18px;
    box-sizing: border-box;
    overflow: hidden;
}

.smart-grip-notch {
    display: block;
    width: 26px;
    height: 4px;
    border-radius: 4px;
    background: #2c2e33;
    margin: 0 auto 12px;
}

.smart-grip-row {
    height: 7px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
    margin-bottom: 9px;
}
.smart-grip-row:nth-child(3) { width: 80%; }
.smart-grip-row:nth-child(4) { width: 64%; }

/* FAB 滑动轨道（暗示按钮可左右滑动） */
.smart-grip-track {
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 22px;
    height: 2px;
    border-radius: 2px;
    background: repeating-linear-gradient(90deg, rgba(78,205,196,0.25) 0 4px, transparent 4px 9px);
}

/* 悬浮按钮（新建）：忠实于 ClockInPage 的 FAB，圆形 */
.smart-grip-fab {
    position: absolute;
    bottom: 12px;
    width: 28px;
    height: 28px;
    aspect-ratio: 1 / 1;
    flex-shrink: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, #4ECDC4, #3a9e8f);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 1.5px #0e0f12, 0 0 0 3px #4ECDC4, 0 4px 10px rgba(78, 205, 196, 0.35);
    overflow: hidden;
    cursor: default;
}

.smart-grip-fab svg { display: block; width: 15px; height: 15px; }

.smart-grip-fab-right { right: 12px; }
.smart-grip-fab-left { left: 12px; }

/* 握持标签 */
.smart-grip-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    color: var(--text-tertiary, #9aa0a6);
}
.smart-grip-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #4ECDC4;
}
.smart-grip-tag-right .smart-grip-dot { background: #4ECDC4; }

/* 中间流向指示 */
.smart-grip-flow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: #4ECDC4;
}
.smart-grip-flow-icon {
    font-size: 20px;
    line-height: 1;
}
.smart-grip-flow-text {
    font-size: 10px;
    color: var(--text-tertiary, #9aa0a6);
    text-align: center;
    line-height: 1.35;
}

.smart-grip-arrow {
    font-size: 20px;
    color: var(--text-tertiary);
}

/* OCR Demo */
.smart-ocr-demo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.smart-ocr-image {
    position: relative;
    width: 80px;
    height: 100px;
    background: #1a1a1a;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #2a2a2a;
}

.smart-ocr-image-mock {
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.smart-ocr-line {
    height: 3px;
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
}

.smart-ocr-scan-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #4ECDC4, transparent);
    box-shadow: 0 0 8px rgba(78,205,196,0.6);
    animation: ocrScan 2s ease-in-out infinite;
}

@keyframes ocrScan {
    0%, 100% { top: 10%; }
    50% { top: 90%; }
}

.smart-ocr-arrow {
    font-size: 18px;
    color: #4ECDC4;
}

.smart-ocr-result {
    width: 80px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.smart-ocr-text-line {
    font-size: 8px;
    color: #4ECDC4;
    background: rgba(78,205,196,0.08);
    padding: 3px 5px;
    border-radius: 4px;
    white-space: nowrap;
    overflow: hidden;
}

/* Remote Camera Demo */
.smart-remote-demo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.smart-remote-phone, .smart-remote-tablet {
    background: #1a1a1a;
    border-radius: 8px;
    border: 2px solid #2a2a2a;
    overflow: hidden;
}

.smart-remote-phone {
    width: 50px;
    height: 90px;
}

.smart-remote-tablet {
    width: 70px;
    height: 90px;
}

.smart-remote-screen {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.smart-remote-menu {
    width: 100%;
    padding: 6px 4px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.smart-remote-menu-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 7px;
    color: var(--text-secondary);
    padding: 3px 4px;
    border-radius: 4px;
}

.smart-remote-menu-active {
    background: rgba(78,205,196,0.15);
    color: #4ECDC4;
}

.smart-remote-camera-view {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a3a3a, #0d1f1f);
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 8px;
}

.smart-remote-shutter {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid #4ECDC4;
    background: rgba(78,205,196,0.2);
}

.smart-remote-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.smart-remote-pulse {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(78,205,196,0.15);
    border: 1px solid rgba(78,205,196,0.3);
    position: relative;
}

.smart-remote-pulse::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #4ECDC4;
    animation: remotePulse 1.5s ease-in-out infinite;
}

@keyframes remotePulse {
    0%, 100% { opacity: 1; transform: translate(-50%,-50%) scale(1); }
    50% { opacity: 0.5; transform: translate(-50%,-50%) scale(1.3); }
}

.smart-remote-link span {
    font-size: 7px;
    color: var(--text-tertiary);
    writing-mode: vertical-rl;
}

/* App Continuation Demo */
.smart-continuation-demo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.smart-cont-phone, .smart-cont-tablet {
    background: #1a1a1a;
    border-radius: 8px;
    border: 2px solid #2a2a2a;
    overflow: hidden;
}

.smart-cont-phone {
    width: 45px;
    height: 80px;
}

.smart-cont-tablet {
    width: 65px;
    height: 80px;
}

.smart-cont-screen {
    width: 100%;
    height: 100%;
    padding: 8px 5px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
}

.smart-cont-page {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.smart-cont-bar {
    height: 4px;
    background: rgba(255,255,255,0.15);
    border-radius: 2px;
}

.smart-cont-device {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.smart-cont-label {
    font-size: 8px;
    color: var(--text-tertiary);
}

.smart-cont-flow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.smart-cont-arrow {
    font-size: 14px;
    color: #4ECDC4;
}

.smart-cont-badge {
    font-size: 7px;
    color: #4ECDC4;
    background: rgba(78,205,196,0.1);
    padding: 2px 6px;
    border-radius: 4px;
    white-space: nowrap;
}

/* Multi-Device Adaptation Demo */
.smart-adapt-demo {
    display: flex;
    align-items: flex-end;
    gap: 8px;
}

.smart-adapt-device {
    background: #1a1a1a;
    border-radius: 6px;
    border: 2px solid #2a2a2a;
    overflow: hidden;
}

.smart-adapt-phone { width: 32px; height: 60px; }
.smart-adapt-foldable { width: 50px; height: 60px; border-radius: 8px; }
.smart-adapt-tablet { width: 60px; height: 46px; }
.smart-adapt-watch { width: 32px; height: 32px; }

.smart-adapt-screen {
    width: 100%;
    height: 100%;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.smart-adapt-screen-round {
    border-radius: 50%;
}

.smart-adapt-content {
    width: 60%;
    height: 40%;
    background: rgba(78,205,196,0.3);
    border-radius: 2px;
}

/* Data Security Demo */
.smart-security-demo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.smart-security-shield {
    animation: shieldGlow 3s ease-in-out infinite;
}

@keyframes shieldGlow {
    0%, 100% { filter: drop-shadow(0 0 4px rgba(78,205,196,0.3)); }
    50% { filter: drop-shadow(0 0 12px rgba(78,205,196,0.6)); }
}

.smart-security-layers {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.smart-security-layer {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.04);
    padding: 4px 10px;
    border-radius: 8px;
}

.smart-security-layer-icon {
    font-size: 12px;
}

/* ===== Responsive — PC Standard (Scaled on Mobile) ===== */
/* All breakpoints removed: page uses desktop layout at all sizes.
   Mobile scaling is handled by the viewport meta tag (width=1200). */

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    .reveal { opacity: 1; transform: none; }
}

/* ===== Card Pulse Animation ===== */
@keyframes cardPulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(78, 205, 196, 0.4);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(78, 205, 196, 0);
    }
}

/* ===== FAB Interactive Transition ===== */
.fab {
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}

/* ===== Completed Dialog Card Transition ===== */
.completed-dialog-card {
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}