@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800;900&family=Noto+Sans+TC:wght@400;500;600;700;900&display=swap");

:root {
    /* 淺粉藍旗艦色調 (Soft Powder Blue / Tech Aurora) */
    --primary: #38bdf8;
    --primary-hover: #0ea5e9;
    --primary-dark: #0284c7;
    --primary-deep: #0369a1;
    --primary-light: #e0f2fe;
    --primary-soft: #f0f9ff;
    --primary-border: #bae6fd;
    
    /* 尊榮漸層色系 */
    --primary-gradient: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
    --primary-gradient-hover: linear-gradient(135deg, #0ea5e9 0%, #0369a1 100%);
    --aurora-gradient: linear-gradient(135deg, #38bdf8 0%, #6366f1 50%, #0284c7 100%);
    
    /* 文字系統：深邃海軍藍灰，具備權威感與極致清晰度 */
    --text-title: #0a1c2e;
    --text-body: #2c445a;
    --text-muted: #57738e;
    --text-light: #829ab1;
    
    /* 背景色系統：科技灰藍層次 */
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --bg-soft: #f0f7fc;
    --bg-alt: #e6f3fa;
    --bg-dark: #081626;
    --bg-dark-surface: #0f273f;
    
    /* 邊框線條 */
    --border-subtle: #e2eef7;
    --border-color: #cce3f0;
    --border-focus: #38bdf8;
    
    /* 陰影系統：極致立體光暈 */
    --shadow-xs: 0 1px 3px rgba(10, 28, 46, 0.04);
    --shadow-sm: 0 4px 12px rgba(10, 28, 46, 0.05);
    --shadow-md: 0 8px 24px rgba(10, 28, 46, 0.08);
    --shadow-lg: 0 20px 48px rgba(10, 28, 46, 0.12);
    --shadow-glow: 0 10px 36px rgba(56, 189, 248, 0.32);
    --shadow-card: 0 12px 32px -4px rgba(2, 132, 199, 0.08), 0 2px 6px -1px rgba(2, 132, 199, 0.04);
    
    /* 圓角系統 */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-pill: 9999px;
    
    /* 版心與字體 */
    --max-w: 1240px;
    --header-h: 76px;
    --font: "Plus Jakarta Sans", "Noto Sans TC", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", sans-serif;
}

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

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

body {
    font-family: var(--font);
    color: var(--text-body);
    background-color: var(--bg-body);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* 徹底防禦 SVG / 圖片爆版 */
svg {
    max-width: 100%;
    height: auto;
    display: inline-block;
    vertical-align: middle;
}

.icon-svg {
    width: 20px;
    height: 20px;
    min-width: 20px;
    max-width: 20px;
    flex-shrink: 0;
}

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

/* 標題共用風格 */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-title);
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

a {
    color: var(--primary-dark);
    text-decoration: none;
    transition: all 0.2s ease;
}

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

/* 容器與版心 */
.srp-container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
}

.srp-container-narrow {
    max-width: 920px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 標題與裝飾 */
.srp-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--primary-deep);
    background: var(--primary-light);
    border: 1px solid var(--primary-border);
    padding: 5px 16px;
    border-radius: var(--radius-pill);
    margin-bottom: 18px;
    box-shadow: 0 2px 8px rgba(56, 189, 248, 0.18);
}

.srp-eyebrow::before {
    content: "";
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 10px var(--primary);
}

.srp-section-title {
    font-size: clamp(28px, 3.6vw, 40px);
    margin-bottom: 16px;
    color: var(--text-title);
    letter-spacing: -0.025em;
}

.srp-section-desc {
    font-size: 17.5px;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 740px;
}

.section-head {
    margin-bottom: 52px;
}

.section-head.text-center {
    text-align: center;
}

.section-head.text-center .srp-section-desc {
    margin: 0 auto;
}

/* 按鈕設計 */
.srp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
    font-size: 15px;
    font-weight: 700;
    padding: 13px 26px;
    min-height: 50px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid transparent;
    text-decoration: none !important;
    white-space: nowrap;
}

.srp-btn-primary {
    background: var(--primary-gradient);
    color: #ffffff !important;
    box-shadow: var(--shadow-glow);
}

.srp-btn-primary:hover {
    background: var(--primary-gradient-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(2, 132, 199, 0.4);
    color: #ffffff !important;
}

.srp-btn-secondary {
    background: #ffffff;
    color: var(--text-title) !important;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-xs);
}

.srp-btn-secondary:hover {
    border-color: var(--primary);
    background: var(--primary-soft);
    color: var(--primary-deep) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.srp-btn-ghost {
    background: transparent;
    color: var(--primary-dark) !important;
    border: 1px solid transparent;
    padding: 12px 20px;
}

.srp-btn-ghost:hover {
    background: var(--primary-light);
    color: var(--primary-deep) !important;
}

.srp-btn-whatsapp {
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    color: #ffffff !important;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.32);
}

.srp-btn-whatsapp:hover {
    background: linear-gradient(135deg, #1ebd5a 0%, #0e7065 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(37, 211, 102, 0.42);
    color: #ffffff !important;
}

/* 頂部導航欄 (Site Header) */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: 0 2px 12px rgba(10, 28, 46, 0.04);
}

.site-nav {
    min-height: var(--header-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.site-logo {
    display: flex;
    align-items: center;
}

.site-logo img {
    height: 40px;
    width: auto;
}

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

.nav-links a {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-body);
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    transition: all 0.2s ease;
    white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.is-active {
    color: var(--primary-dark);
    background: var(--primary-light);
}

.nav-cta {
    margin-left: 10px;
}

.menu-toggle {
    display: none;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 8px 14px;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-title);
    cursor: pointer;
}

/* ========================================================
   Hero Section（旗艦級震撼科技大氣視覺）
======================================================== */
.site-hero {
    position: relative;
    padding: 76px 0 90px;
    background: linear-gradient(180deg, #dbeafe 0%, #edf7fc 40%, #f8fafc 100%);
    border-bottom: 1px solid var(--border-subtle);
    overflow: hidden;
}

/* 科技網格底紋 Blueprint Grid */
.site-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(to right, rgba(56, 189, 248, 0.08) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(56, 189, 248, 0.08) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse at 50% 20%, #000 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 20%, #000 30%, transparent 80%);
    pointer-events: none;
}

/* 科技極光光斑 */
.site-hero::after {
    content: "";
    position: absolute;
    top: -200px;
    right: -100px;
    width: 800px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.3) 0%, rgba(99, 102, 241, 0.15) 45%, transparent 70%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content h1 {
    font-size: clamp(26px, 2.7vw, 36px);
    line-height: 1.28;
    margin-bottom: 22px;
    color: var(--text-title);
    letter-spacing: -0.02em;
}

.hero-title-line {
    display: block;
    white-space: nowrap;
}

.text-gradient {
    background: linear-gradient(135deg, #0284c7 0%, #38bdf8 50%, #4f46e5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline;
}

.hero-subtitle {
    font-size: 18.5px;
    line-height: 1.72;
    color: var(--text-body);
    margin-bottom: 34px;
    max-width: 580px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 36px;
}

.hero-badges-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
    padding-top: 24px;
    border-top: 1px solid rgba(2, 132, 199, 0.18);
}

.hero-badge-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14.5px;
    font-weight: 700;
    color: var(--text-title);
}

.badge-check-icon {
    width: 20px;
    height: 20px;
    min-width: 20px;
    max-width: 20px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary-dark);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 900;
    border: 1px solid var(--primary-border);
}

/* 8大核心服務性行業矩陣標籤 (Industry Pills) */
.industry-strip {
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px dashed var(--primary-border);
}

.industry-strip-label {
    font-size: 13px;
    font-weight: 800;
    color: var(--primary-deep);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.industry-pills-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.industry-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13.5px;
    font-weight: 700;
    color: var(--text-title);
    background: #ffffff;
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    box-shadow: var(--shadow-xs);
    transition: all 0.2s ease;
}

.industry-pill:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary-deep);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(56, 189, 248, 0.25);
}

.industry-pill-icon {
    font-size: 14px;
}

/* 右側震撼實機旗艦級工作台視窗 */
.hero-visual {
    position: relative;
    perspective: 1000px;
}

.window-mockup {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg), var(--shadow-glow), 0 0 0 1px rgba(255, 255, 255, 0.8) inset;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.window-mockup:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: 0 30px 60px rgba(10, 28, 46, 0.18), 0 12px 40px rgba(56, 189, 248, 0.4);
}

.window-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    background: linear-gradient(180deg, #f8fafc 0%, #e9f3fa 100%);
    border-bottom: 1px solid var(--border-color);
}

.window-bar-left {
    display: flex;
    align-items: center;
    gap: 7px;
}

.window-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    display: inline-block;
}

.window-dot.dot-red { background: #f87171; box-shadow: 0 0 6px rgba(248, 113, 113, 0.4); }
.window-dot.dot-yellow { background: #fbbf24; box-shadow: 0 0 6px rgba(251, 191, 36, 0.4); }
.window-dot.dot-green { background: #34d399; box-shadow: 0 0 6px rgba(52, 211, 153, 0.4); }

.window-title {
    margin-left: 10px;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-title);
    display: flex;
    align-items: center;
    gap: 6px;
}

.window-bar-status {
    font-size: 12px;
    font-weight: 700;
    color: #15803d;
    background: #dcfce7;
    border: 1px solid #bbf7d0;
    padding: 2px 10px;
    border-radius: var(--radius-pill);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.window-bar-status::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 6px #22c55e;
}

.window-body {
    background: #ffffff;
    padding: 12px;
}

.window-body img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xs);
}

/* 雙懸浮立體實時營運卡片 */
.hero-float-card-left {
    position: absolute;
    bottom: -22px;
    left: -24px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 14px 20px;
    box-shadow: var(--shadow-lg), 0 4px 20px rgba(56, 189, 248, 0.25);
    display: flex;
    align-items: center;
    gap: 14px;
    z-index: 3;
    animation: floatSlow 4s ease-in-out infinite alternate;
}

.hero-float-card-right {
    position: absolute;
    top: -20px;
    right: -20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 12px 18px;
    box-shadow: var(--shadow-lg), 0 4px 20px rgba(99, 102, 241, 0.25);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 3;
    animation: floatSlow2 4.5s ease-in-out infinite alternate;
}

@keyframes floatSlow {
    0% { transform: translateY(0); }
    100% { transform: translateY(-8px); }
}

@keyframes floatSlow2 {
    0% { transform: translateY(0); }
    100% { transform: translateY(8px); }
}

.float-card-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.float-card-icon.purple {
    background: #ede9fe;
}

.float-card-core-img {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 10px;
    object-fit: cover;
    box-shadow: 0 0 10px rgba(168, 85, 247, 0.4);
    background: #0f172a;
}

.float-card-text {
    font-size: 14px;
    font-weight: 800;
    color: var(--text-title);
}

.float-card-text span {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: #16a34a;
}

.float-card-text.purple span {
    color: #4f46e5;
}

/* ========================================================
   核心指標橫條 (Stats Bar)
======================================================== */
.stats-banner {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 36px 44px;
    box-shadow: var(--shadow-card);
    margin: -44px auto 76px;
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat-item {
    text-align: center;
    position: relative;
}

.stat-item:not(:last-child)::after {
    content: "";
    position: absolute;
    right: 0;
    top: 15%;
    height: 70%;
    width: 1px;
    background: var(--border-color);
}

.stat-num {
    font-size: 34px;
    font-weight: 900;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14.5px;
    font-weight: 700;
    color: var(--text-title);
}

.stat-sub {
    font-size: 12.5px;
    color: var(--text-muted);
}

/* ========================================================
   區塊標準間距與底色
======================================================== */
.section {
    padding: 88px 0;
    position: relative;
}

.section-alt {
    background-color: var(--bg-soft);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

/* 痛點卡片網格 */
.pain-point-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.pain-point-card {
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 32px 26px;
    box-shadow: var(--shadow-card);
    transition: all 0.25s ease;
    display: flex;
    flex-direction: column;
}

.pain-point-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg), 0 6px 24px rgba(56, 189, 248, 0.18);
    border-color: var(--primary-border);
}

.card-pill-tag {
    align-self: flex-start;
    font-size: 12px;
    font-weight: 800;
    color: var(--primary-deep);
    background: var(--primary-light);
    border: 1px solid var(--primary-border);
    border-radius: var(--radius-sm);
    padding: 4px 12px;
    margin-bottom: 18px;
}

.pain-point-card h3 {
    font-size: 19px;
    margin-bottom: 10px;
    color: var(--text-title);
}

.pain-point-card p {
    font-size: 14.5px;
    color: var(--text-muted);
    line-height: 1.68;
    margin: 0;
}

/* 模組 Showcase（圖文交錯排版） */
.module-showcase {
    display: flex;
    flex-direction: column;
    gap: 64px;
}

.showcase-row {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 52px;
    align-items: center;
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 48px;
    box-shadow: var(--shadow-card);
    transition: all 0.25s ease;
}

.showcase-row.reverse {
    grid-template-columns: 1.15fr 1fr;
}

.showcase-row.reverse .showcase-text {
    order: 2;
}

.showcase-row.reverse .showcase-img {
    order: 1;
}

.showcase-row:hover {
    box-shadow: var(--shadow-lg), 0 10px 36px rgba(56, 189, 248, 0.18);
    border-color: var(--primary-border);
}

.showcase-text h3 {
    font-size: 27px;
    margin-bottom: 16px;
    color: var(--text-title);
}

.showcase-text p {
    font-size: 16.5px;
    color: var(--text-body);
    line-height: 1.72;
    margin-bottom: 24px;
}

.showcase-features {
    list-style: none;
    margin-bottom: 28px;
}

.showcase-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 15px;
    color: var(--text-body);
    margin-bottom: 12px;
    font-weight: 500;
}

.showcase-features li .check-circle {
    width: 20px;
    height: 20px;
    min-width: 20px;
    max-width: 20px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary-dark);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 900;
    margin-top: 2px;
}

.showcase-img {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 14px;
    box-shadow: var(--shadow-sm);
}

.showcase-img img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xs);
    transition: transform 0.35s ease;
}

.showcase-img:hover img {
    transform: scale(1.025);
}

/* 8 大模組網格卡片 */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
}

.module-card {
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 30px 24px;
    box-shadow: var(--shadow-card);
    text-decoration: none !important;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.module-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.module-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg), 0 8px 28px rgba(56, 189, 248, 0.22);
    border-color: var(--primary-border);
}

.module-card:hover::before {
    opacity: 1;
}

.module-card-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: var(--primary-light);
    color: var(--primary-deep);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
    border: 1px solid var(--primary-border);
    transition: all 0.2s ease;
}

.module-card:hover .module-card-icon {
    background: var(--primary-gradient);
    color: #ffffff;
    border-color: transparent;
    transform: scale(1.08);
}

.module-card h4 {
    font-size: 19px;
    color: var(--text-title);
    margin-bottom: 10px;
}

.module-card p {
    font-size: 14.5px;
    color: var(--text-muted);
    line-height: 1.62;
    margin-bottom: 20px;
    flex-grow: 1;
}

.module-card-link {
    font-size: 14px;
    font-weight: 800;
    color: var(--primary-dark);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* ========================================================
   雙核心數智中樞 (SRP Core × SRP Listening)
======================================================== */
.dual-ai-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-top: 24px;
}

.dual-ai-card {
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 44px 38px;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.dual-ai-card.core-card {
    background: linear-gradient(180deg, #ffffff 0%, #f0f9ff 100%);
    border-color: #bae6fd;
}

.dual-ai-card.listening-card {
    background: linear-gradient(180deg, #ffffff 0%, #faf5ff 100%);
    border-color: #e9d5ff;
}

.dual-ai-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg), 0 12px 36px rgba(56, 189, 248, 0.22);
}

.dual-ai-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    gap: 12px;
}

/* SRP Core 專屬品牌徽章 */
.srp-core-brand-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 6px 16px 6px 8px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    border: 1px solid rgba(56, 189, 248, 0.4);
    border-radius: var(--radius-pill);
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.15), 0 0 12px rgba(56, 189, 248, 0.2);
    transition: all 0.25s ease;
}

.srp-core-brand-badge:hover {
    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.25), 0 0 18px rgba(168, 85, 247, 0.35);
    border-color: rgba(168, 85, 247, 0.5);
    transform: translateY(-2px);
}

.srp-core-header-logo {
    width: 36px;
    height: auto;
    border-radius: 6px;
    filter: drop-shadow(0 0 6px rgba(168, 85, 247, 0.6));
    transition: transform 0.3s ease;
}

.srp-core-brand-badge:hover .srp-core-header-logo {
    transform: scale(1.1) rotate(2deg);
}

.srp-core-badge-text {
    display: flex;
    flex-direction: column;
}

.srp-core-badge-title {
    font-size: 13.5px;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 0.04em;
    line-height: 1.2;
}

.srp-core-badge-sub {
    font-size: 11px;
    font-weight: 600;
    color: #38bdf8;
    line-height: 1.2;
}

.dual-ai-badge {
    font-size: 12.5px;
    font-weight: 800;
    padding: 5px 14px;
    border-radius: var(--radius-pill);
    letter-spacing: 0.04em;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.badge-core {
    background: #e0f2fe;
    color: #0369a1;
    border: 1px solid #bae6fd;
}

.badge-listening {
    background: #f3e8ff;
    color: #7e22ce;
    border: 1px solid #e9d5ff;
}

.dual-ai-title {
    font-size: 26px;
    font-weight: 800;
    color: var(--text-title);
    margin-bottom: 12px;
    line-height: 1.3;
}

.dual-ai-desc {
    font-size: 15.5px;
    line-height: 1.7;
    color: var(--text-body);
    margin-bottom: 24px;
}

.dual-ai-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 28px;
}

.dual-ai-list li {
    font-size: 14.5px;
    color: var(--text-body);
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.5;
}

.dual-ai-list .ai-check {
    width: 20px;
    height: 20px;
    min-width: 20px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 900;
    margin-top: 1px;
}

.ai-check-blue {
    background: #e0f2fe;
    color: #0284c7;
    border: 1px solid #bae6fd;
}

.ai-check-purple {
    background: #f3e8ff;
    color: #9333ea;
    border: 1px solid #e9d5ff;
}

.dual-ai-preview-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
}

/* ========================================================
   8 大行業解決方案場景切換 (Industry Solutions Tabs)
======================================================== */
.solutions-tabs-nav {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 36px;
    flex-wrap: wrap;
}

.solution-tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-body);
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: var(--shadow-xs);
}

.solution-tab-btn:hover {
    color: var(--primary-dark);
    border-color: var(--primary);
    background: var(--primary-light);
    transform: translateY(-2px);
}

.solution-tab-btn.is-active {
    color: #ffffff;
    background: var(--primary-gradient);
    border-color: transparent;
    box-shadow: var(--shadow-glow);
}

.solution-panel {
    display: none;
    animation: fadeInTab 0.35s ease;
}

.solution-panel.is-active {
    display: block;
}

@keyframes fadeInTab {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.solution-grid {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 40px;
    align-items: center;
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 44px;
    box-shadow: var(--shadow-card);
}

.solution-main h3 {
    font-size: 26px;
    color: var(--text-title);
    margin-bottom: 14px;
    line-height: 1.35;
}

.solution-main p.solution-intro {
    font-size: 16px;
    color: var(--text-body);
    line-height: 1.7;
    margin-bottom: 24px;
}

.solution-feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 28px;
}

.solution-feature-list li {
    font-size: 15px;
    color: var(--text-body);
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.55;
}

.solution-feature-list li strong {
    color: var(--text-title);
}

.solution-side-card {
    background: linear-gradient(135deg, #f8fafc 0%, #f0f9ff 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    box-shadow: var(--shadow-xs);
}

.solution-side-card h4 {
    font-size: 17px;
    color: var(--text-title);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.solution-badge-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.solution-badge-item {
    font-size: 13px;
    font-weight: 700;
    color: var(--primary-deep);
    background: #ffffff;
    border: 1px solid var(--primary-border);
    padding: 5px 12px;
    border-radius: var(--radius-pill);
}

.solution-quote {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.65;
    padding-left: 14px;
    border-left: 3px solid var(--primary);
    margin-top: 16px;
    font-style: italic;
}

/* ========================================================
   數據實證效益 (Data-Driven Benefits / Proof Grid)
======================================================== */
.proof-metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 36px;
}

.proof-metric-card {
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 30px 24px;
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: all 0.25s ease;
}

.proof-metric-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), 0 8px 24px rgba(56, 189, 248, 0.2);
    border-color: var(--primary-border);
}

.proof-metric-val {
    font-size: 38px;
    font-weight: 900;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 6px;
    line-height: 1.1;
}

.proof-metric-title {
    font-size: 16px;
    font-weight: 800;
    color: var(--text-title);
    margin-bottom: 8px;
}

.proof-metric-desc {
    font-size: 13.5px;
    color: var(--text-muted);
    line-height: 1.55;
    margin: 0;
}

/* ========================================================
   安全與合規標籤 (Security & Compliance Strip)
======================================================== */
.trust-security-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 32px;
}

.trust-security-card {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 24px 20px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    box-shadow: var(--shadow-xs);
    transition: all 0.2s ease;
}

.trust-security-card:hover {
    border-color: var(--primary-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.trust-icon {
    font-size: 24px;
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: var(--radius-sm);
    background: var(--primary-light);
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--primary-border);
}

.trust-info h4 {
    font-size: 15px;
    font-weight: 800;
    color: var(--text-title);
    margin-bottom: 4px;
}

.trust-info p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
    margin: 0;
}

/* ========================================================
   客戶證言與行業成功案例 (Case Studies)
======================================================== */
.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 36px;
}

.case-study-card {
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 34px 28px;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.25s ease;
    position: relative;
}

.case-study-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg), 0 10px 30px rgba(56, 189, 248, 0.2);
    border-color: var(--primary-border);
}

.case-study-badge {
    align-self: flex-start;
    font-size: 12px;
    font-weight: 800;
    color: var(--primary-deep);
    background: var(--primary-light);
    border: 1px solid var(--primary-border);
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    margin-bottom: 16px;
}

.case-study-quote {
    font-size: 15.5px;
    color: var(--text-title);
    line-height: 1.7;
    margin-bottom: 24px;
    font-weight: 600;
    flex-grow: 1;
}

.case-study-meta {
    padding-top: 16px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.case-study-author {
    font-size: 13.5px;
    font-weight: 800;
    color: var(--text-body);
}

.case-study-tag {
    font-size: 12px;
    color: var(--primary-dark);
    font-weight: 700;
}

/* ========================================================
   常見問題 FAQ (Accordion)
======================================================== */
.faq-accordion-wrap {
    max-width: 860px;
    margin: 36px auto 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    overflow: hidden;
    transition: all 0.2s ease;
}

.faq-item.is-open {
    border-color: var(--primary-border);
    box-shadow: var(--shadow-md);
}

.faq-trigger {
    width: 100%;
    padding: 20px 24px;
    background: transparent;
    border: none;
    text-align: left;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    cursor: pointer;
    font-size: 16.5px;
    font-weight: 800;
    color: var(--text-title);
    transition: color 0.2s ease;
}

.faq-trigger:hover {
    color: var(--primary-dark);
}

.faq-icon {
    width: 28px;
    height: 28px;
    min-width: 28px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary-dark);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 900;
    transition: transform 0.25s ease;
}

.faq-item.is-open .faq-icon {
    transform: rotate(180deg);
    background: var(--primary);
    color: #ffffff;
}

.faq-content {
    display: none;
    padding: 0 24px 22px;
    font-size: 15px;
    color: var(--text-body);
    line-height: 1.75;
    border-top: 1px dashed var(--border-subtle);
    margin-top: -4px;
    padding-top: 16px;
}

.faq-item.is-open .faq-content {
    display: block;
}

.module-card:hover .module-card-link {
    color: var(--primary-hover);
}

/* 業務流程 Pipeline */
.pipeline-flow {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 16px;
}

.pipeline-step-item {
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 22px 18px;
    text-decoration: none !important;
    display: block;
    position: relative;
    box-shadow: var(--shadow-card);
    transition: all 0.25s ease;
}

.pipeline-step-item:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md), 0 6px 20px rgba(56, 189, 248, 0.25);
}

.step-num {
    font-size: 12px;
    font-weight: 900;
    color: var(--primary-deep);
    background: var(--primary-light);
    border: 1px solid var(--primary-border);
    display: inline-block;
    padding: 3px 9px;
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
}

.step-title {
    font-size: 16px;
    font-weight: 800;
    color: var(--text-title);
    margin-bottom: 6px;
}

.step-desc {
    font-size: 13.5px;
    color: var(--text-muted);
    line-height: 1.55;
}

/* Blog 專欄精選卡片 (雜誌感現代風格) */
.blog-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.blog-post-card {
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    text-decoration: none !important;
    display: flex;
    flex-direction: column;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.blog-post-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg), 0 10px 30px rgba(56, 189, 248, 0.24);
    border-color: var(--primary-border);
}

.blog-card-media {
    height: 200px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid var(--border-subtle);
}

.blog-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.blog-post-card:hover .blog-card-media img {
    transform: scale(1.06);
}

.blog-card-body {
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-card-category {
    font-size: 12.5px;
    font-weight: 800;
    color: var(--primary-deep);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 12px;
}

.blog-card-body h3 {
    font-size: 19px;
    line-height: 1.42;
    color: var(--text-title);
    margin-bottom: 12px;
    font-weight: 800;
}

.blog-card-body p {
    font-size: 14.5px;
    color: var(--text-muted);
    line-height: 1.68;
    margin-bottom: 20px;
    flex-grow: 1;
}

.blog-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border-subtle);
    font-size: 13px;
    color: var(--text-light);
}

.blog-card-cta {
    color: var(--primary-dark);
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.blog-post-card:hover .blog-card-cta {
    color: var(--primary-hover);
}

/* 方案比較 (Plans Grid) */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.plan-card-item {
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 44px 34px;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all 0.25s ease;
}

.plan-card-item.featured {
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transform: scale(1.04);
}

.plan-badge {
    position: absolute;
    top: -14px;
    left: 34px;
    background: var(--primary-gradient);
    color: #ffffff;
    font-size: 12px;
    font-weight: 900;
    padding: 5px 16px;
    border-radius: var(--radius-pill);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    box-shadow: 0 4px 14px rgba(56, 189, 248, 0.45);
}

.plan-card-item h3 {
    font-size: 26px;
    color: var(--text-title);
    margin-bottom: 8px;
}

.plan-tagline {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 26px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-subtle);
}

.plan-features-list {
    list-style: none;
    margin-bottom: 34px;
    flex-grow: 1;
}

.plan-features-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 15px;
    color: var(--text-body);
    margin-bottom: 14px;
}

.plan-features-list li .check-circle {
    width: 20px;
    height: 20px;
    min-width: 20px;
    max-width: 20px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary-dark);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 900;
    margin-top: 2px;
}

/* 底部 CTA 橫幅 */
.cta-banner {
    position: relative;
    background: linear-gradient(135deg, #081626 0%, #0c2642 50%, #0284c7 100%);
    border-radius: var(--radius-xl);
    padding: 70px 60px;
    color: #ffffff;
    overflow: hidden;
    box-shadow: var(--shadow-lg), 0 12px 48px rgba(2, 132, 199, 0.3);
}

.cta-banner::before {
    content: "";
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.4) 0%, transparent 70%);
}

.cta-banner h2 {
    color: #ffffff;
    font-size: clamp(30px, 3.6vw, 40px);
    margin-bottom: 16px;
}

.cta-banner p {
    color: #bae6fd;
    font-size: 18px;
    line-height: 1.75;
    max-width: 700px;
    margin-bottom: 34px;
}

.cta-banner .srp-eyebrow {
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.35);
    color: #e0f2fe;
}

/* 官方網站頁尾 */
.site-footer {
    background: var(--bg-dark);
    color: #94a3b8;
    padding: 76px 0 34px;
    border-top: 1px solid #1e293b;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 48px;
    margin-bottom: 54px;
}

.footer-brand img {
    height: 40px;
    width: auto;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    font-size: 14.5px;
    line-height: 1.75;
    color: #94a3b8;
}

.footer-col h4 {
    color: #ffffff;
    font-size: 15px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 22px;
}

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

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

.footer-col a {
    color: #94a3b8;
    font-size: 14.5px;
    text-decoration: none;
    transition: color 0.15s ease;
}

.footer-col a:hover {
    color: #38bdf8;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 14px;
    color: #64748b;
}

/* 響應式適配 */
@media (max-width: 1024px) {
    .stats-banner {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px 20px;
    }
    
    .stat-item:nth-child(2)::after {
        display: none;
    }
    
    .pain-point-grid,
    .modules-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dual-ai-grid,
    .solution-grid {
        grid-template-columns: 1fr;
    }

    .proof-metrics-grid,
    .trust-security-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .case-studies-grid {
        grid-template-columns: 1fr;
    }
    
    .pipeline-flow {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .showcase-row,
    .showcase-row.reverse {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    
    .showcase-row.reverse .showcase-text {
        order: 1;
    }
    
    .showcase-row.reverse .showcase-img {
        order: 2;
    }
    
    .plans-grid,
    .blog-cards-grid {
        grid-template-columns: 1fr;
    }
    
    .plan-card-item.featured {
        transform: none;
    }
}

@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 44px;
    }

    .hero-title-line {
        white-space: normal;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        padding: 22px 24px;
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        display: none;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-links.is-open {
        display: flex;
    }
    
    .nav-cta {
        margin-left: 0;
        margin-top: 12px;
        text-align: center;
    }
    
    .hero-float-card-left,
    .hero-float-card-right {
        position: static;
        margin-top: 14px;
        animation: none;
    }
}

@media (max-width: 640px) {
    .srp-container,
    .srp-container-narrow {
        padding: 0 18px;
    }
    
    .site-hero {
        padding: 50px 0 64px;
    }
    
    .stats-banner {
        grid-template-columns: 1fr;
        padding: 26px 20px;
        margin-top: -24px;
    }
    
    .stat-item::after {
        display: none !important;
    }
    
    .pain-point-grid,
    .modules-grid,
    .dual-ai-grid,
    .proof-metrics-grid,
    .trust-security-grid {
        grid-template-columns: 1fr;
    }

    .solution-grid {
        padding: 28px 20px;
    }
    
    .pipeline-flow {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-banner {
        padding: 44px 24px;
    }
    
    .showcase-row {
        padding: 30px 20px;
    }
}