/* ============================================================
   智擎科技 官网样式 — 时间感知科幻主题系统
   主题：dawn 黎明 / day 白昼 / dusk 黄昏 / night 深夜
   ============================================================ */

/* ---------- 基础变量（不随主题） ---------- */
:root {
    --panel: rgba(11, 18, 32, .78);
    --panel-2: rgba(17, 26, 44, .88);
    --line: #1E293B;
    --text: #E5F0FF;
    --text-dim: #7A8CA5;
    --radius: 18px;
    --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
    /* OmniAI 式按钮：亮渐变底 + 深色文字（亮底深字对比度远超 AA） */
    --btn-grad: linear-gradient(120deg, var(--accent), var(--accent3));
}

/* ---------- 主题色板（三方案竞稿 + 设计总监融合定稿） ---------- */
/* 深夜 · 翡翠极光帘幕垂入深空靛蓝，冷冽深邃、星河无声（默认 / 无 JS 回退） */
:root, html[data-theme="night"] {
    --bg: #050A12; --bg-2: #0B1220; --hero-bg-top: #0B1A30;
    --accent: #00E5FF; --accent2: #8B5CF6; --accent3: #00FFC6;
    --glow-a: #0E5A9C; --glow-b: #5B21B6;
    --grid: rgba(62, 108, 160, .22); --meteor: #D8F3FF;
    --fol-a: #5BD9FF; --fol-b: #00E5FF; --fol-c: #9A7BF8;
    --trunk-1: #0E1D36; --trunk-2: #7EE7FF; --circuit: #66E0FF;
    --pulse-1: #EAF8FF; --pulse-2: #00E5FF; --pulse-3: #A78BFA;
    --fly-1: #AEE6FF; --fly-2: #C9C4FF;
    --aurora-1: rgba(0, 229, 255, .20); --aurora-2: rgba(139, 92, 246, .18);
    --p-dot: #AEE6FF; --p-line: #00E5FF;
}
/* 黎明 · 残夜靛紫未褪，玫瑰金晨光刺破地平线 */
html[data-theme="dawn"] {
    --bg: #0A0912; --bg-2: #131120; --hero-bg-top: #241A33;
    --accent: #F5C542; --accent2: #FB923C; --accent3: #FFE08A;
    --glow-a: #92520E; --glow-b: #53389E;
    --grid: rgba(245, 197, 66, .12); --meteor: #FFE9C2;
    --fol-a: #FFD98A; --fol-b: #F5C542; --fol-c: #B392F5;
    --trunk-1: #261A33; --trunk-2: #FFD98A; --circuit: #FFCE6B;
    --pulse-1: #FFF6E0; --pulse-2: #F5C542; --pulse-3: #B392F5;
    --fly-1: #FFE9B8; --fly-2: #E5C8FF;
    --aurora-1: rgba(245, 197, 66, .18); --aurora-2: rgba(167, 139, 250, .16);
    --p-dot: #FFE9C2; --p-line: #F5C542;
}
/* 白昼 · 通透锐利的冰蓝电光，正午高空大气般清澈 */
html[data-theme="day"] {
    --bg: #060D18; --bg-2: #0C1828; --hero-bg-top: #11304F;
    --accent: #38BDF8; --accent2: #6366F1; --accent3: #7DF3FF;
    --glow-a: #1273C2; --glow-b: #4338CA;
    --grid: rgba(86, 156, 230, .20); --meteor: #E2F4FF;
    --fol-a: #9BDCFF; --fol-b: #38BDF8; --fol-c: #818CF8;
    --trunk-1: #102A46; --trunk-2: #9FE0FF; --circuit: #7CD8FF;
    --pulse-1: #F0FAFF; --pulse-2: #38BDF8; --pulse-3: #818CF8;
    --fly-1: #C6E9FF; --fly-2: #D4DCFF;
    --aurora-1: rgba(56, 189, 248, .20); --aurora-2: rgba(99, 102, 241, .16);
    --p-dot: #C6E9FF; --p-line: #38BDF8;
}
/* 黄昏 · 品红与琥珀交织的霓虹暮霭，夜幕将启的微醺张力 */
html[data-theme="dusk"] {
    --bg: #0A0714; --bg-2: #141023; --hero-bg-top: #261540;
    --accent: #8B5CF6; --accent2: #EC4899; --accent3: #C4B5FD;
    --glow-a: #6D28D9; --glow-b: #9D174D;
    --grid: rgba(139, 92, 246, .18); --meteor: #EBDFFF;
    --fol-a: #C4B5FD; --fol-b: #8B5CF6; --fol-c: #F472B6;
    --trunk-1: #221440; --trunk-2: #D6BFFF; --circuit: #C8A8FF;
    --pulse-1: #F6F0FF; --pulse-2: #8B5CF6; --pulse-3: #F472B6;
    --fly-1: #E4D5FF; --fly-2: #FFC9E3;
    --aurora-1: rgba(139, 92, 246, .22); --aurora-2: rgba(236, 72, 153, .15);
    --p-dot: #E4D5FF; --p-line: #A78BFA;
}

/* ---------- @property 注册：主题切换呈「天色流转」连续渐变 ---------- */
@property --bg { syntax: '<color>'; inherits: true; initial-value: #050A12; }
@property --bg-2 { syntax: '<color>'; inherits: true; initial-value: #0B1220; }
@property --hero-bg-top { syntax: '<color>'; inherits: true; initial-value: #0B1A30; }
@property --accent { syntax: '<color>'; inherits: true; initial-value: #00E5FF; }
@property --accent2 { syntax: '<color>'; inherits: true; initial-value: #8B5CF6; }
@property --accent3 { syntax: '<color>'; inherits: true; initial-value: #00FFC6; }
@property --glow-a { syntax: '<color>'; inherits: true; initial-value: #0E5A9C; }
@property --glow-b { syntax: '<color>'; inherits: true; initial-value: #5B21B6; }
@property --grid { syntax: '<color>'; inherits: true; initial-value: rgba(52, 211, 153, .13); }
@property --meteor { syntax: '<color>'; inherits: true; initial-value: #ccfbef; }
@property --fol-a { syntax: '<color>'; inherits: true; initial-value: #6ee7b7; }
@property --fol-b { syntax: '<color>'; inherits: true; initial-value: #2dd4bf; }
@property --fol-c { syntax: '<color>'; inherits: true; initial-value: #5b8af5; }
@property --trunk-1 { syntax: '<color>'; inherits: true; initial-value: #0e2630; }
@property --trunk-2 { syntax: '<color>'; inherits: true; initial-value: #67e8c9; }
@property --circuit { syntax: '<color>'; inherits: true; initial-value: #7af5cf; }
@property --pulse-1 { syntax: '<color>'; inherits: true; initial-value: #defcf0; }
@property --pulse-2 { syntax: '<color>'; inherits: true; initial-value: #34d399; }
@property --pulse-3 { syntax: '<color>'; inherits: true; initial-value: #60a5fa; }
@property --fly-1 { syntax: '<color>'; inherits: true; initial-value: #a7f3d0; }
@property --fly-2 { syntax: '<color>'; inherits: true; initial-value: #9cc3ff; }
@property --aurora-1 { syntax: '<color>'; inherits: true; initial-value: rgba(52, 211, 153, .28); }
@property --aurora-2 { syntax: '<color>'; inherits: true; initial-value: rgba(96, 165, 250, .18); }
/* 仅视觉主导变量参与插值（0.8s），树区滤镜/网格等次要变量直接跳变，控制切换期重绘范围 */
html {
    transition:
        --bg .8s ease, --bg-2 .8s ease, --hero-bg-top .8s ease,
        --accent .8s ease, --accent2 .8s ease, --accent3 .8s ease,
        --glow-a .8s ease, --glow-b .8s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
::selection { background: color-mix(in srgb, var(--accent) 35%, transparent); }
section[id] { scroll-margin-top: 76px; }


/* ---------- 通用组件 ---------- */
/* 大标题渐变：两端随时段变调，中点锚定品牌紫，品牌色始终在场 */
.grad-text {
    background: linear-gradient(110deg, var(--accent) 5%, var(--accent2) 50%, var(--accent3) 95%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.eyebrow {
    font-size: 13px; letter-spacing: .35em; color: var(--accent);
    margin-bottom: 14px; font-weight: 600;
}
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; padding: 0 24px; }
.section-head h2 {
    font-size: clamp(28px, 4.6vw, 44px); font-weight: 700; letter-spacing: .02em;
    text-shadow: 0 0 36px color-mix(in srgb, var(--accent) 28%, transparent);
}
.section-head p { color: var(--text-dim); margin-top: 14px; font-size: 16px; }
.section-head strong { color: var(--accent); font-weight: 600; }

.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 13px 30px; border-radius: 999px; font-size: 15px; font-weight: 600;
    border: 1px solid transparent; cursor: pointer; transition: all .3s ease;
    font-family: var(--font);
}
.btn .arrow { transition: transform .3s ease; }
.btn:hover .arrow { transform: translateX(5px); }
.btn-primary {
    background: var(--btn-grad);
    color: var(--bg); box-shadow: 0 8px 30px color-mix(in srgb, var(--accent) 25%, transparent);
}
.btn-primary:hover {
    box-shadow: 0 10px 40px color-mix(in srgb, var(--accent2) 45%, transparent);
    transform: translateY(-2px);
}
.btn-ghost { background: var(--panel); border-color: var(--line); color: var(--text); backdrop-filter: blur(10px); }
.btn-ghost:hover { background: var(--panel-2); border-color: color-mix(in srgb, var(--accent) 40%, transparent); }
.btn-block { width: 100%; justify-content: center; }

/* 滚动浮现 */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity .8s ease, transform .8s cubic-bezier(.2, .65, .25, 1); }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- 导航 ---------- */
.site-nav {
    position: fixed; inset: 0 0 auto 0; z-index: 100;
    transition: background .35s ease, box-shadow .35s ease;
}
.site-nav.scrolled {
    background: color-mix(in srgb, var(--bg) 80%, transparent);
    backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    box-shadow: 0 1px 0 var(--line);
}
.nav-inner {
    max-width: 1200px; margin: 0 auto; padding: 14px 24px;
    display: flex; align-items: center;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.brand-mark {
    width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
    background: var(--btn-grad); font-size: 19px; color: var(--bg);
    box-shadow: 0 4px 18px color-mix(in srgb, var(--accent) 35%, transparent);
}
.brand-text { font-size: 17px; line-height: 1.15; display: flex; flex-direction: column; }
.brand-text small { font-size: 9px; letter-spacing: .28em; color: var(--text-dim); font-weight: 500; }
.nav-links { display: flex; align-items: center; gap: 30px; font-size: 15px; margin-left: auto; }
.nav-links a { color: var(--text-dim); transition: color .25s; position: relative; }
.nav-links a:hover { color: #fff; }
.nav-links a:not(.nav-cta)::after {
    content: ''; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent2)); transition: width .3s ease; border-radius: 2px;
}
.nav-links a:hover::after { width: 100%; }
.nav-cta {
    padding: 9px 22px; border-radius: 999px; color: var(--bg) !important;
    background: var(--btn-grad); font-weight: 700;
}
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; flex-direction: column; gap: 5px; padding: 6px; margin-left: 14px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s; }

/* 主题切换按钮 */
.theme-toggle {
    width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
    cursor: pointer; font-size: 17px; position: relative; margin-left: 22px;
    background: var(--panel); border: 1px solid var(--line); backdrop-filter: blur(8px);
    transition: border-color .3s, box-shadow .3s, transform .3s;
}
.theme-toggle:hover {
    border-color: color-mix(in srgb, var(--accent) 55%, transparent);
    box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 30%, transparent);
    transform: rotate(15deg);
}
.theme-toggle.is-auto::after {
    content: '时'; position: absolute; right: -4px; top: -4px;
    width: 16px; height: 16px; border-radius: 50%;
    background: var(--btn-grad); color: var(--bg);
    font-size: 9px; font-weight: 700; display: grid; place-items: center;
    font-family: var(--font);
}

/* ---------- Hero ---------- */
.hero {
    position: relative; min-height: 100svh; display: flex; align-items: center; justify-content: center;
    text-align: center; overflow: hidden;
    background: radial-gradient(1200px 700px at 50% -10%, var(--hero-bg-top) 0%, var(--bg) 60%);
}
#heroCanvas { position: absolute; inset: 0; width: 100%; height: 100%; }
/* 用径向渐变替代 blur 滤镜：零逐帧模糊成本，scale 动画走合成器 */
.hero-glow { position: absolute; border-radius: 50%; opacity: .4; pointer-events: none; }
.hero-glow-a { width: 620px; height: 620px; background: radial-gradient(circle, var(--glow-a), transparent 68%); top: -190px; left: -190px; animation: glowDrift 14s ease-in-out infinite alternate; }
.hero-glow-b { width: 680px; height: 680px; background: radial-gradient(circle, var(--glow-b), transparent 68%); bottom: -250px; right: -210px; animation: glowDrift 18s ease-in-out infinite alternate-reverse; }
@keyframes glowDrift { from { transform: translate(0, 0) scale(1); } to { transform: translate(60px, 40px) scale(1.15); } }

/* 透视网格地面（synthwave） */
.hero-grid {
    position: absolute; left: -25%; right: -25%; bottom: -2px; height: 46%;
    pointer-events: none; perspective: 430px;
    -webkit-mask-image: linear-gradient(to top, #000 10%, transparent 86%);
    mask-image: linear-gradient(to top, #000 10%, transparent 86%);
}
.hero-grid i {
    position: absolute; inset: -52px 0 0 0; display: block;
    transform-origin: 50% 100%; transform: rotateX(63deg);
    background-image:
        linear-gradient(var(--grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid) 1px, transparent 1px);
    background-size: 46px 46px;
    animation: gridMove 2.6s linear infinite;
}
@keyframes gridMove { to { transform: rotateX(63deg) translateY(46px); } }

/* 流星（screen 混合；频率随主题：深夜最密、白昼最疏） */
.meteor {
    position: absolute; top: var(--my, 10%); left: var(--mx, 50%);
    width: 130px; height: 2px; pointer-events: none; border-radius: 2px;
    background: linear-gradient(90deg, var(--meteor), transparent 70%);
    filter: drop-shadow(0 0 6px var(--meteor));
    mix-blend-mode: screen;
    transform: rotate(-32deg); opacity: 0;
    animation: meteorFly var(--mdur, 9s) linear var(--mdelay, 0s) infinite;
}
html[data-theme="day"] .meteor:nth-of-type(n+2) { display: none; }
html[data-theme="dawn"] .meteor:nth-of-type(n+3),
html[data-theme="dusk"] .meteor:nth-of-type(n+3) { display: none; }
@keyframes meteorFly {
    0%   { transform: rotate(-32deg) translateX(0); opacity: 0; }
    4%   { opacity: .9; }
    13%  { opacity: .9; }
    19%  { transform: rotate(-32deg) translateX(-360px); opacity: 0; }
    100% { transform: rotate(-32deg) translateX(-360px); opacity: 0; }
}

.hero-inner { position: relative; z-index: 2; padding: 120px 24px 80px; max-width: 900px; }
.hero-eyebrow {
    display: inline-block; font-size: 13px; letter-spacing: .4em; color: var(--accent);
    border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
    padding: 8px 22px; border-radius: 999px;
    background: color-mix(in srgb, var(--accent) 6%, transparent); margin-bottom: 30px;
}
.hero h1 {
    font-size: clamp(40px, 7.5vw, 80px); font-weight: 800; line-height: 1.18; letter-spacing: .02em;
    filter: drop-shadow(0 0 26px color-mix(in srgb, var(--accent) 30%, transparent));
}
.hero-sub { color: var(--text-dim); font-size: clamp(16px, 2vw, 19px); margin-top: 24px; }
.hero-cta { display: flex; gap: 16px; justify-content: center; margin-top: 40px; flex-wrap: wrap; }
.hero-chips { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 56px; }
.chip {
    font-size: 13.5px; color: var(--text-dim); padding: 8px 18px; border-radius: 999px;
    background: var(--panel); border: 1px solid var(--line); backdrop-filter: blur(8px);
    animation: chipFloat 5s ease-in-out infinite;
}
.chip:nth-child(2) { animation-delay: .8s; }
.chip:nth-child(3) { animation-delay: 1.6s; }
.chip:nth-child(4) { animation-delay: 2.4s; }
.chip:nth-child(5) { animation-delay: 3.2s; }
@keyframes chipFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }

.scroll-hint {
    position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
    width: 26px; height: 44px; border: 2px solid rgba(255, 255, 255, .25); border-radius: 14px; z-index: 2;
}
.scroll-hint span {
    position: absolute; top: 8px; left: 50%; width: 4px; height: 9px; margin-left: -2px;
    background: var(--accent); border-radius: 2px; animation: scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(14px); opacity: 0; } 100% { opacity: 0; } }

/* ---------- 智慧业务之树 ---------- */
.tree-section {
    padding: 110px 0 60px; position: relative;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 50%, var(--bg) 100%);
}
.tree-stage { max-width: 1100px; margin: 0 auto; padding: 0 16px; position: relative; overflow: hidden; }
#treeSvg { width: 100%; height: auto; position: relative; z-index: 1; }
.tree-tip { text-align: center; color: var(--text-dim); font-size: 14px; margin-top: 4px; letter-spacing: .1em; animation: tipPulse 2.6s ease-in-out infinite; position: relative; z-index: 1; }
@keyframes tipPulse { 0%, 100% { opacity: .55; } 50% { opacity: 1; } }

/* 树区极光带：blur 静态声明（纹理可复用），关键帧仅 transform（合成器动画） */
.aurora-band {
    position: absolute; left: -30%; width: 160%; height: 34%; pointer-events: none; z-index: 0;
    mix-blend-mode: screen; filter: blur(60px);
    background: linear-gradient(100deg, transparent 5%, var(--aurora-1) 35%, var(--aurora-2) 65%, transparent 95%);
}
.aurora-band-1 { top: 4%; animation: auroraDrift 26s ease-in-out infinite alternate; }
.aurora-band-2 { top: 28%; height: 26%; opacity: .75; animation: auroraDrift 34s ease-in-out infinite alternate-reverse; }
@keyframes auroraDrift {
    from { transform: translateX(-6%) skewY(-3deg); }
    to   { transform: translateX(6%) skewY(2deg); }
}

/* SVG 主题化：树冠光团 / 树干 / 地面 */
#folTeal stop { stop-color: var(--fol-a); }
#folViolet stop { stop-color: var(--fol-b); }
#folBlue stop { stop-color: var(--fol-c); }
#trunkGrad stop:nth-of-type(1) { stop-color: var(--trunk-1); }
#trunkGrad stop:nth-of-type(2) { stop-color: var(--trunk-2); }
#trunkGrad stop:nth-of-type(3) { stop-color: color-mix(in srgb, var(--trunk-2) 65%, var(--circuit) 35%); }
#groundGrad stop { stop-color: var(--accent); }
.ground-line { stroke: color-mix(in srgb, var(--accent) 38%, var(--bg)); }
.roots { stroke: var(--trunk-2); }
.circuit path { stroke: var(--circuit); }
.circuit circle { fill: var(--circuit); }
.pulses g:nth-of-type(1) circle { fill: var(--pulse-1); }
.pulses g:nth-of-type(2) circle { fill: var(--pulse-2); }
.pulses g:nth-of-type(3) circle { fill: var(--pulse-3); }
.leaves .leaf:nth-of-type(3n+1) { fill: var(--fol-a); }
.leaves .leaf:nth-of-type(3n+2) { fill: var(--fol-b); }
.leaves .leaf:nth-of-type(3n)   { fill: var(--fol-c); }
.fireflies .fly:nth-of-type(odd)  { fill: var(--fly-1); color: var(--fly-1); }
.fireflies .fly:nth-of-type(even) { fill: var(--fly-2); color: var(--fly-2); }

/* 树冠整体摇曳（滤镜已移除，transform 走合成器；周期放缓降低重绘频率） */
.crown { transform-origin: 600px 800px; animation: crownSway 14s ease-in-out infinite alternate; }
@keyframes crownSway { from { transform: rotate(-.7deg); } to { transform: rotate(.7deg); } }

/* 树冠光团呼吸（plus-lighter 叠光：三色相加自然过曝出亮核） */
.fol { transform-box: fill-box; transform-origin: center; animation: folPulse 7s ease-in-out infinite alternate; mix-blend-mode: plus-lighter; }
.fol-2 { animation-duration: 9s; animation-delay: 1s; }
.fol-3 { animation-duration: 8s; animation-delay: 2s; }
.fol-4 { animation-duration: 6.5s; animation-delay: .5s; }
.fol-5 { animation-duration: 7.5s; animation-delay: 1.5s; }
@keyframes folPulse { from { transform: scale(1); opacity: .85; } to { transform: scale(1.09); opacity: 1; } }

/* 电路纹理流光 */
.circuit path { stroke-dasharray: 6 14; animation: circuitFlow 2.8s linear infinite; }
@keyframes circuitFlow { to { stroke-dashoffset: -40; } }

/* 飘落光叶 */
.leaf { transform: translate(var(--lx), var(--ly)); animation: leafFall var(--ldur) linear var(--ldelay) infinite; opacity: 0; }
@keyframes leafFall {
    0%   { transform: translate(var(--lx), var(--ly)); opacity: 0; }
    8%   { opacity: .9; }
    50%  { transform: translate(calc(var(--lx) + 36px), calc(var(--ly) + 220px)); }
    90%  { opacity: .35; }
    100% { transform: translate(calc(var(--lx) - 14px), calc(var(--ly) + 430px)); opacity: 0; }
}

/* 萤火虫 */
.fly { animation: flyDrift var(--fdur) ease-in-out var(--fdelay) infinite alternate; filter: drop-shadow(0 0 5px currentColor); }
@keyframes flyDrift {
    0%   { transform: translate(0, 0); opacity: .25; }
    45%  { opacity: 1; }
    100% { transform: translate(var(--fx), var(--fy)); opacity: .35; }
}

/* 果实（JS 注入，使用方案品牌色，不随主题） */
.fruit { cursor: pointer; }
.fruit .swing { transform-box: fill-box; transform-origin: 50% 0; animation: fruitSwing var(--fdur, 5s) ease-in-out var(--fdelay, 0s) infinite alternate; }
@keyframes fruitSwing { from { transform: rotate(-3.5deg); } to { transform: rotate(3.5deg); } }
.fruit .orb-wrap { transition: transform .35s cubic-bezier(.3, 1.4, .5, 1); transform-box: fill-box; transform-origin: center; }
.fruit:hover .orb-wrap, .fruit:focus-visible .orb-wrap { transform: scale(1.16); }
.fruit .ring { animation: ringPulse 3s ease-out infinite; transform-box: fill-box; transform-origin: center; }
@keyframes ringPulse { 0% { transform: scale(.8); opacity: .8; } 100% { transform: scale(1.6); opacity: 0; } }
.fruit .fruit-label { font-weight: 600; letter-spacing: .06em; }
.fruit .fruit-hint { opacity: 0; transition: opacity .3s; font-size: 12px; }
.fruit:hover .fruit-hint { opacity: .9; }

/* 全息业务树 */
.holo-grid path {
    opacity: .5;
    stroke-dasharray: 10 16;
    animation: gridSweep 8s linear infinite;
}
@keyframes gridSweep { to { stroke-dashoffset: -120; } }
.ring-orbit {
    stroke: color-mix(in srgb, var(--accent) 42%, transparent);
    stroke-width: 1.2;
    stroke-dasharray: 18 18;
    transform-box: fill-box;
    transform-origin: center;
    filter: drop-shadow(0 0 8px color-mix(in srgb, var(--accent) 36%, transparent));
}
.ring-orbit-1 { animation: orbitSpin 22s linear infinite; }
.ring-orbit-2 { animation: orbitSpin 16s linear infinite reverse; opacity: .75; }
.ring-orbit-3 { animation: orbitSpin 12s linear infinite; opacity: .55; }
@keyframes orbitSpin { to { transform: rotate(360deg); } }
.data-roots path {
    stroke: color-mix(in srgb, var(--accent) 42%, var(--bg));
    stroke-width: 2.5;
    stroke-dasharray: 2 12;
    animation: rootFlow 3.6s linear infinite;
    filter: drop-shadow(0 0 7px color-mix(in srgb, var(--accent) 34%, transparent));
}
.data-roots path:nth-child(even) { animation-duration: 4.4s; stroke: color-mix(in srgb, var(--accent2) 46%, var(--bg)); }
@keyframes rootFlow { to { stroke-dashoffset: -60; } }
.energy-shadow {
    stroke: color-mix(in srgb, var(--accent) 22%, transparent);
    opacity: .38;
    filter: drop-shadow(0 0 18px color-mix(in srgb, var(--accent) 38%, transparent));
}
.energy-core {
    filter: drop-shadow(0 0 16px color-mix(in srgb, var(--accent) 42%, transparent));
}
.energy-line path {
    stroke-width: 2.2;
    stroke-dasharray: 20 26;
    animation: branchFlow 2.8s linear infinite;
    filter: drop-shadow(0 0 8px color-mix(in srgb, var(--accent3) 50%, transparent));
}
.energy-line path:nth-child(even) { animation-duration: 3.4s; }
@keyframes branchFlow { to { stroke-dashoffset: -92; } }
.ambient-node {
    fill: var(--accent3);
    color: var(--accent3);
    opacity: .75;
    animation: flyDrift var(--fdur, 8s) ease-in-out var(--fdelay, 0s) infinite alternate, nodeBlink 2.6s ease-in-out infinite;
    filter: drop-shadow(0 0 8px currentColor);
}
.endpoint-node { animation: nodeBlink 2.4s ease-in-out infinite; }
@keyframes nodeBlink { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }
.neural-node { cursor: pointer; outline: none; }
.neural-node .node-shell {
    transform-box: fill-box;
    transform-origin: center;
    animation: nodeFloat var(--fdur, 5s) ease-in-out var(--fdelay, 0s) infinite alternate;
}
@keyframes nodeFloat { from { transform: translateY(-5px); } to { transform: translateY(7px); } }
.neural-node .node-ping {
    transform-box: fill-box;
    transform-origin: center;
    animation: ringPulse 2.8s ease-out infinite;
}
.neural-node .node-orbit {
    transform-box: fill-box;
    transform-origin: center;
    filter: drop-shadow(0 0 7px currentColor);
}
.neural-node .node-orbit-a { animation: orbitSpin 8s linear infinite; }
.neural-node .node-orbit-b { animation: orbitSpin 5.5s linear infinite reverse; opacity: .65; }
.neural-node .node-core {
    transition: transform .3s ease, filter .3s ease;
}
.neural-node:hover .node-shell,
.neural-node:focus-visible .node-shell {
    transform: scale(1.12);
}
.neural-node:hover .node-core,
.neural-node:focus-visible .node-core {
    filter: url(#fruitGlow) drop-shadow(0 0 12px currentColor);
}
.neural-node .node-icon { pointer-events: none; }
.neural-node .fruit-label { paint-order: stroke; stroke: rgba(3, 7, 18, .78); stroke-width: 5px; }
.neural-node:hover .fruit-hint,
.neural-node:focus-visible .fruit-hint { opacity: .95; }

/* 果实弹层 */
.fruit-modal { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: 24px; visibility: hidden; opacity: 0; transition: opacity .35s ease, visibility .35s; }
.fruit-modal.open { visibility: visible; opacity: 1; }
.fruit-modal-mask { position: absolute; inset: 0; background: rgba(3, 5, 12, .72); backdrop-filter: blur(8px); }
.fruit-modal-card {
    position: relative; width: min(560px, 100%); max-height: 86vh; overflow: auto;
    background: linear-gradient(160deg, color-mix(in srgb, var(--bg-2) 75%, #2a3550 25%), color-mix(in srgb, var(--bg-2) 96%, transparent));
    border: 1px solid var(--line); border-radius: 24px; padding: 36px;
    transform: translateY(24px) scale(.96); transition: transform .4s cubic-bezier(.2, .9, .3, 1.2);
    box-shadow: 0 30px 80px rgba(0, 0, 0, .5), 0 0 0 1px color-mix(in srgb, var(--accent) 8%, transparent);
}
.fruit-modal.open .fruit-modal-card { transform: none; }
.modal-close {
    position: absolute; top: 16px; right: 16px; width: 36px; height: 36px; border-radius: 50%;
    background: var(--panel-2); color: var(--text-dim); border: 1px solid var(--line); cursor: pointer; font-size: 14px;
    transition: .25s;
}
.modal-close:hover { color: #fff; border-color: color-mix(in srgb, var(--accent) 50%, transparent); }
.modal-head { display: flex; gap: 18px; align-items: center; margin-bottom: 18px; }
.modal-icon {
    width: 64px; height: 64px; border-radius: 18px; display: grid; place-items: center; font-size: 32px;
    background: var(--panel-2); border: 1px solid var(--line); flex: none;
    box-shadow: 0 0 30px var(--maccent, color-mix(in srgb, var(--accent) 35%, transparent));
}
.modal-head h3 { font-size: 24px; }
.modal-head p { color: var(--text-dim); font-size: 14px; }
.modal-summary { color: var(--text-dim); font-size: 15px; margin-bottom: 18px; }
.modal-features { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 16px; }
.modal-features span { font-size: 13.5px; color: var(--text); background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; }
.modal-features span::before { content: '◆ '; color: var(--maccent-solid, var(--accent)); font-size: 10px; }
.modal-tech { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.modal-tech span { font-size: 12px; color: var(--text-dim); border: 1px dashed rgba(255, 255, 255, .2); padding: 4px 12px; border-radius: 999px; }
.modal-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- 解决方案卡片 ---------- */
.solutions-section { padding: 90px 24px; max-width: 1200px; margin: 0 auto; }
.solution-list { display: flex; flex-direction: column; gap: 36px; }
.solution-card {
    display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px;
    background: linear-gradient(150deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .015));
    border: 1px solid var(--line); border-radius: 28px; padding: 48px;
    position: relative; overflow: hidden; transition: transform .4s ease, box-shadow .4s ease, border-color .4s;
}
.solution-card::before {
    content: ''; position: absolute; top: -120px; right: -120px; width: 320px; height: 320px;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%); opacity: .14;
    transition: opacity .5s; pointer-events: none;
}
.solution-card::after {
    content: ''; position: absolute; inset: 14px; pointer-events: none; opacity: 0; transition: opacity .4s;
    background-image:
        linear-gradient(var(--accent), var(--accent)), linear-gradient(var(--accent), var(--accent)),
        linear-gradient(var(--accent), var(--accent)), linear-gradient(var(--accent), var(--accent));
    background-position: left top, left top, right bottom, right bottom;
    background-size: 18px 1.5px, 1.5px 18px, 18px 1.5px, 1.5px 18px;
    background-repeat: no-repeat;
}
.solution-card:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--accent) 45%, transparent); box-shadow: 0 24px 70px rgba(0, 0, 0, .45); }
.solution-card:hover::before { opacity: .28; }
.solution-card:hover::after { opacity: .7; }
.solution-card.flip { grid-template-columns: .85fr 1.15fr; }
.solution-card.flip .sc-main { order: 2; }
.solution-card.flip .sc-side { order: 1; }
.sc-icon { font-size: 44px; margin-bottom: 16px; filter: drop-shadow(0 0 18px var(--accent)); }
.sc-main h3 { font-size: 30px; margin-bottom: 6px; }
.sc-tagline { color: var(--accent); font-size: 15px; margin-bottom: 16px; font-weight: 600; letter-spacing: .04em; }
.sc-summary { color: var(--text-dim); font-size: 15px; margin-bottom: 22px; }
.sc-tech { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.sc-tech span { font-size: 12px; color: var(--text-dim); border: 1px dashed rgba(255, 255, 255, .22); padding: 4px 13px; border-radius: 999px; }
.sc-side { display: grid; gap: 14px; align-content: center; }
.sc-feature {
    background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 16px 20px;
    transition: transform .3s ease, border-color .3s;
}
.sc-feature:hover { transform: translateX(6px); border-color: color-mix(in srgb, var(--accent) 50%, transparent); }
.sc-feature strong { display: block; font-size: 15px; margin-bottom: 3px; }
.sc-feature strong::before { content: '✦ '; color: var(--accent); }
.sc-feature span { font-size: 13px; color: var(--text-dim); }

/* ---------- AI 能力 ---------- */
.cap-section { padding: 90px 24px; max-width: 1200px; margin: 0 auto; }
.cap-filter { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.cap-filter button {
    font-family: var(--font); font-size: 14px; color: var(--text-dim); cursor: pointer;
    background: var(--panel); border: 1px solid var(--line); border-radius: 999px; padding: 8px 22px; transition: .3s;
}
.cap-filter button:hover { color: #fff; }
.cap-filter button.active { color: var(--bg); font-weight: 700; background: var(--btn-grad); border-color: transparent; }
.cap-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.cap-card {
    background: var(--panel); border: 1px solid var(--line); border-radius: 20px; padding: 26px;
    position: relative;
    transition: transform .35s ease, border-color .35s, background .35s, opacity .35s;
}
.cap-card::after {
    content: ''; position: absolute; inset: 9px; pointer-events: none; opacity: 0; transition: opacity .35s;
    background-image:
        linear-gradient(var(--accent), var(--accent)), linear-gradient(var(--accent), var(--accent)),
        linear-gradient(var(--accent), var(--accent)), linear-gradient(var(--accent), var(--accent));
    background-position: left top, left top, right bottom, right bottom;
    background-size: 14px 1.5px, 1.5px 14px, 14px 1.5px, 1.5px 14px;
    background-repeat: no-repeat;
}
.cap-card.hide { display: none; }
.cap-card:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--accent) 45%, transparent); background: var(--panel-2); }
.cap-card:hover::after { opacity: .75; }
.cap-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.cap-icon { font-size: 30px; }
.cap-cat {
    font-size: 11px; color: var(--accent);
    border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
    padding: 3px 11px; border-radius: 999px; letter-spacing: .08em;
}
.cap-card h3 { font-size: 18px; margin-bottom: 8px; }
.cap-card > p { font-size: 13.5px; color: var(--text-dim); }
.cap-examples { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.cap-examples span { font-size: 11.5px; color: var(--accent3); opacity: .8; }

/* ---------- 数据带 ---------- */
.stats-band {
    display: flex; justify-content: center; gap: clamp(30px, 7vw, 110px); flex-wrap: wrap;
    margin: 40px auto 0; padding: 56px 24px; max-width: 1200px;
    border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
    background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent) 5%, transparent), transparent);
}
.stat { text-align: center; }
.stat-num {
    font-size: clamp(34px, 5vw, 52px); font-weight: 800;
    background: linear-gradient(120deg, var(--accent), var(--accent2));
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-label { color: var(--text-dim); font-size: 14px; margin-top: 4px; }

/* ---------- 流程 ---------- */
.process-section { padding: 100px 24px; max-width: 1200px; margin: 0 auto; }
.process-line { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; position: relative; }
.process-line::before {
    content: ''; position: absolute; top: 34px; left: 6%; right: 6%; height: 1px;
    background: linear-gradient(90deg, transparent,
        color-mix(in srgb, var(--accent) 50%, transparent),
        color-mix(in srgb, var(--accent2) 50%, transparent), transparent);
}
.step { text-align: center; padding: 0 10px; position: relative; }
.step-no {
    width: 68px; height: 68px; margin: 0 auto 20px; display: grid; place-items: center;
    font-size: 19px; font-weight: 800; border-radius: 50%; position: relative; z-index: 1;
    background: var(--bg-2); border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent); color: var(--accent);
    box-shadow: 0 0 26px color-mix(in srgb, var(--accent) 18%, transparent); transition: .35s;
}
.step:hover .step-no { background: var(--btn-grad); color: var(--bg); transform: scale(1.1); }
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--text-dim); }

/* ---------- 联系 ---------- */
.contact-section { padding: 60px 24px 110px; max-width: 1100px; margin: 0 auto; }
.contact-card {
    display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px;
    background: linear-gradient(150deg,
        color-mix(in srgb, var(--accent) 7%, transparent),
        color-mix(in srgb, var(--accent2) 6%, transparent));
    border: 1px solid var(--line); border-radius: 30px; padding: 56px;
}
.contact-info h2 { font-size: clamp(28px, 4vw, 40px); line-height: 1.3; margin-bottom: 16px; }
.contact-info > p { color: var(--text-dim); font-size: 15px; }
.contact-points { list-style: none; margin-top: 26px; display: grid; gap: 10px; }
.contact-points li { color: var(--text-dim); font-size: 14.5px; }
.contact-form { display: grid; gap: 16px; }
.contact-form label { display: grid; gap: 7px; font-size: 13.5px; color: var(--text-dim); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form input, .contact-form textarea, .select-trigger {
    font-family: var(--font); font-size: 15px; color: var(--text);
    background: color-mix(in srgb, var(--bg) 70%, transparent);
    border: 1px solid var(--line); border-radius: 12px;
    padding: 12px 16px; outline: none; transition: border-color .3s, box-shadow .3s; resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus, .select-trigger:focus, .custom-select.open .select-trigger {
    border-color: color-mix(in srgb, var(--accent) 55%, transparent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 12%, transparent);
}
.custom-select { position: relative; }
.select-trigger {
    width: 100%;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    cursor: pointer;
    text-align: left;
}
.select-trigger i {
    width: 9px;
    height: 9px;
    border-right: 1.5px solid var(--accent);
    border-bottom: 1.5px solid var(--accent);
    transform: rotate(45deg) translateY(-2px);
    transition: transform .25s ease;
    flex: none;
}
.custom-select.open .select-trigger i { transform: rotate(225deg) translate(-2px, -1px); }
.select-menu {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 8px);
    z-index: 60;
    padding: 8px;
    display: grid;
    gap: 6px;
    max-height: 280px;
    overflow: auto;
    border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--line));
    background: color-mix(in srgb, var(--bg-2) 96%, transparent);
    box-shadow: 0 20px 46px rgba(0, 0, 0, .42), inset 0 1px 0 rgba(255, 255, 255, .06);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 10px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px) scale(.98);
    transition: opacity .2s ease, transform .2s ease;
}
.custom-select.open .select-menu {
    opacity: 1;
    pointer-events: auto;
    transform: none;
}
.select-option {
    width: 100%;
    border: 0;
    cursor: pointer;
    color: var(--text-dim);
    font: inherit;
    text-align: left;
    padding: 10px 12px;
    border-radius: 6px;
    background: transparent;
    transition: background .2s ease, color .2s ease, transform .2s ease;
}
.select-option:hover,
.select-option.selected {
    color: var(--text);
    background: color-mix(in srgb, var(--accent) 12%, transparent);
}
.select-option.selected {
    box-shadow: inset 3px 0 0 var(--accent);
}
.form-msg { font-size: 14px; min-height: 20px; }
.form-msg.ok { color: #34d399; }
.form-msg.err { color: #f87171; }

/* ---------- 页脚 ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-2); }
.footer-inner {
    max-width: 1200px; margin: 0 auto; padding: 64px 24px 40px;
    display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px;
}
.footer-brand p { color: var(--text-dim); font-size: 14px; margin-top: 16px; }
.footer-col h4 { font-size: 15px; margin-bottom: 16px; color: #fff; }
.footer-col a { display: block; color: var(--text-dim); font-size: 14px; margin-bottom: 10px; transition: color .25s; }
.footer-col a:hover { color: var(--accent); }
.tech-badges { display: flex; flex-wrap: wrap; gap: 8px; }
.tech-badges span { font-size: 12px; color: var(--text-dim); border: 1px solid var(--line); padding: 4px 12px; border-radius: 999px; }
.footer-bottom { text-align: center; color: var(--text-dim); font-size: 13px; padding: 22px; border-top: 1px solid rgba(255, 255, 255, .05); }

/* ---------- 详情页 ---------- */
.detail-hero {
    position: relative; padding: 160px 24px 70px; overflow: hidden;
    background: radial-gradient(900px 500px at 50% -10%, color-mix(in srgb, var(--accent) 16%, transparent), var(--bg) 65%);
}
.detail-hero-inner { max-width: 980px; margin: 0 auto; position: relative; z-index: 1; }
.breadcrumb { font-size: 13.5px; color: var(--text-dim); display: flex; gap: 10px; margin-bottom: 36px; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb em { color: var(--text); font-style: normal; }
.detail-head { display: flex; gap: 24px; align-items: center; margin-bottom: 22px; }
.detail-orb {
    width: 92px; height: 92px; border-radius: 26px; display: grid; place-items: center; font-size: 46px; flex: none;
    background: var(--panel-2); border: 1px solid var(--line);
    box-shadow: 0 0 50px color-mix(in srgb, var(--accent) 50%, transparent);
    animation: orbFloat 5s ease-in-out infinite alternate;
}
@keyframes orbFloat { from { transform: translateY(0); } to { transform: translateY(-8px); } }
.detail-head h1 { font-size: clamp(32px, 5vw, 52px); }
.detail-tagline { color: var(--accent); font-weight: 600; letter-spacing: .05em; margin-top: 4px; }
.detail-summary { color: var(--text-dim); font-size: 16.5px; max-width: 800px; }
.detail-stats { display: flex; gap: clamp(28px, 6vw, 80px); flex-wrap: wrap; margin-top: 40px; }

.detail-body-section { max-width: 1100px; margin: 0 auto; padding: 30px 24px 100px; }
.detail-grid { display: grid; grid-template-columns: 1.7fr 1fr; gap: 40px; margin-bottom: 80px; }
.detail-prose {
    background: var(--panel); border: 1px solid var(--line); border-radius: 24px; padding: 44px;
    font-size: 15.5px; color: #cbd5e1;
}
.detail-prose h2 {
    font-size: 22px; color: #fff; margin: 30px 0 14px; padding-left: 14px;
    border-left: 3px solid var(--accent);
}
.detail-prose h2:first-child { margin-top: 0; }
.detail-prose p { margin-bottom: 14px; }
.detail-prose img { border-radius: 14px; margin: 10px 0; }
.detail-aside { display: grid; gap: 20px; align-content: start; }
.aside-card { background: var(--panel); border: 1px solid var(--line); border-radius: 20px; padding: 26px; }
.aside-card h4 { margin-bottom: 14px; font-size: 16px; }
.aside-card p { font-size: 13.5px; color: var(--text-dim); margin-bottom: 18px; }
.aside-meta { text-align: center; color: var(--text-dim); font-size: 13px; }

.feature-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; margin-bottom: 80px; }
.feature-card { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 26px; transition: .35s; }
.feature-card:hover { transform: translateY(-5px); border-color: color-mix(in srgb, var(--accent) 50%, transparent); }
.feature-card strong { display: block; font-size: 16px; margin-bottom: 6px; }
.feature-card strong::before { content: '✦ '; color: var(--accent); }
.feature-card p { font-size: 13.5px; color: var(--text-dim); }

.other-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; }
.other-card { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 26px; transition: .35s; display: block; }
.other-card:hover { transform: translateY(-5px); border-color: color-mix(in srgb, var(--accent) 55%, transparent); }
.other-card strong { display: block; margin: 12px 0 4px; font-size: 17px; }
.other-card p { font-size: 13px; color: var(--text-dim); margin-bottom: 12px; }
.other-card em { font-style: normal; font-size: 13px; color: var(--accent); }

/* ---------- 响应式 ---------- */
.pc-only { display: inline; }
@media (max-width: 960px) {
    .nav-links {
        position: fixed; top: 64px; right: 16px; flex-direction: column; gap: 6px;
        background: color-mix(in srgb, var(--bg-2) 97%, transparent);
        border: 1px solid var(--line); border-radius: 16px; padding: 18px 28px;
        transform: translateY(-12px) scale(.97); opacity: 0; pointer-events: none; transition: .3s;
    }
    .nav-links.open { transform: none; opacity: 1; pointer-events: auto; }
    .nav-toggle { display: flex; }
    .theme-toggle { margin-left: auto; }
    .solution-card, .solution-card.flip { grid-template-columns: 1fr; padding: 30px; }
    .solution-card.flip .sc-main { order: 1; }
    .solution-card.flip .sc-side { order: 2; }
    .contact-card { grid-template-columns: 1fr; padding: 34px; }
    .detail-grid { grid-template-columns: 1fr; }
    .process-line { grid-template-columns: 1fr 1fr; gap: 34px; }
    .process-line::before { display: none; }
    .pc-only { display: none; }
}
@media (max-width: 560px) {
    .form-row { grid-template-columns: 1fr; }
    .process-line { grid-template-columns: 1fr; }
    .modal-features { grid-template-columns: 1fr; }
    .detail-head { flex-direction: column; align-items: flex-start; }
    .hero-chips .chip:nth-child(n+4) { display: none; }
    .hero-grid { height: 34%; }
}

/* ---------- 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; }
    .meteor, .hero-grid i { animation: none; }
    /* SMIL 动画由 JS pauseAnimations() 冻结，此处隐藏脉冲作 CSS 后备 */
    .pulses { display: none; }
}

/* ============================================================
   多页面化 + 锐利化精修（参考火山引擎设计语言）
   ============================================================ */
:root {
    --mono: ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", Menlo, monospace;
}

/* —— 锐利化：圆角全面收紧，小圆角近直角 —— */
.btn { border-radius: 8px; }
.chip { border-radius: 6px; }
.nav-cta { border-radius: 8px; }
.cap-card { border-radius: 10px; }
.cap-cat { border-radius: 2px; }
.solution-card { border-radius: 14px; }
.sc-feature { border-radius: 10px; }
.sc-tech span { border-radius: 4px; }
.fruit-modal-card { border-radius: 14px; }
.modal-icon { border-radius: 12px; }
.modal-features span { border-radius: 6px; }
.modal-tech span { border-radius: 4px; }
.contact-card { border-radius: 14px; }
.contact-form input, .contact-form textarea, .select-trigger { border-radius: 8px; }
.detail-orb { border-radius: 16px; }
.detail-prose, .aside-card { border-radius: 12px; }
.feature-card, .other-card { border-radius: 10px; }
.hero-eyebrow { border-radius: 4px; }
.cap-filter button { border-radius: 6px; }
.tech-badges span { border-radius: 4px; }
.brand-mark { border-radius: 9px; }

/* —— 当前页导航高亮 —— */
.nav-links a.on { color: #fff; }
.nav-links a.on:not(.nav-cta)::after { width: 100%; }

/* —— 角标标签（描边发光式，2px 圆角） —— */
.badge-tag {
    display: inline-block; vertical-align: middle;
    font-size: 10px; font-weight: 700; letter-spacing: .14em;
    font-family: var(--mono);
    padding: 2px 8px; border-radius: 2px; margin-left: 10px;
    border: 1px solid; line-height: 1.5; transform: translateY(-2px);
}
.badge-tag.hot  { color: #fb923c; border-color: rgba(251, 146, 60, .55); box-shadow: 0 0 10px rgba(251, 146, 60, .25); }
.badge-tag.new  { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 55%, transparent); box-shadow: 0 0 10px color-mix(in srgb, var(--accent) 25%, transparent); }
.badge-tag.beta { color: #c084fc; border-color: rgba(192, 132, 252, .55); box-shadow: 0 0 10px rgba(192, 132, 252, .25); }

/* —— 等宽英文代号（双名体系） —— */
.sol-code {
    display: inline-block; font-family: var(--mono); font-size: 12.5px;
    color: var(--text-dim); letter-spacing: .05em;
    padding: 2px 8px; margin: 6px 0 2px;
    background: rgba(255, 255, 255, .035); border: 1px solid var(--line); border-radius: 3px;
}

/* —— 子页 page hero —— */
.page-hero {
    position: relative; padding: 168px 24px 84px; text-align: center; overflow: hidden;
    background: radial-gradient(900px 480px at 50% -10%, var(--hero-bg-top) 0%, var(--bg) 62%);
}
.page-hero-sm { padding: 150px 24px 56px; }
.page-hero-inner { position: relative; z-index: 1; max-width: 760px; margin: 0 auto; }
.page-hero h1 { font-size: clamp(34px, 5.6vw, 56px); font-weight: 800; letter-spacing: .02em; }
.page-hero p { color: var(--text-dim); margin-top: 16px; font-size: 16px; }

/* —— 索引区（首页） —— */
.index-section { padding: 96px 24px; max-width: 1200px; margin: 0 auto; }
.index-section.alt-bg {
    max-width: none;
    background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--bg-2) 70%, transparent) 50%, transparent);
}
.index-section.alt-bg .cap-grid, .index-section.alt-bg .section-more { max-width: 1152px; margin-left: auto; margin-right: auto; }
.section-more { text-align: center; margin-top: 40px; }

/* 方案索引卡：hover 三连（边框亮色 + 上浮 + 箭头右移） */
.sol-index-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.sol-index-card {
    display: block; position: relative; padding: 30px; border-radius: 12px;
    background: var(--panel); border: 1px solid var(--line);
    transition: transform .3s ease, border-color .3s, box-shadow .3s;
}
.sol-index-card:hover {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--accent) 60%, transparent);
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 25%, transparent), 0 14px 40px rgba(0, 0, 0, .4), 0 0 24px color-mix(in srgb, var(--accent) 14%, transparent);
}
.sic-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; }
.sic-icon { font-size: 36px; filter: drop-shadow(0 0 14px var(--accent)); }
.sol-index-card h3 { font-size: 20px; }
.sol-index-card > p { font-size: 13.5px; color: var(--text-dim); margin: 10px 0 18px; }
.card-link { font-style: normal; font-size: 13.5px; color: var(--accent); font-weight: 600; }
.card-link .arrow { display: inline-block; transition: transform .3s ease; }
.sol-index-card:hover .card-link .arrow { transform: translateX(5px); }
.sol-index-more { border-style: dashed; }
.sol-index-more .sic-icon { filter: none; opacity: .8; }

/* cap-card 作为链接 */
a.cap-card { display: block; color: inherit; }

/* —— CTA 横幅 —— */
.cta-band {
    max-width: 1100px; margin: 40px auto 90px; padding: 64px 32px; text-align: center;
    border: 1px solid var(--line); border-radius: 14px; position: relative; overflow: hidden;
    background:
        linear-gradient(120deg, color-mix(in srgb, var(--accent) 8%, transparent), transparent 45%),
        linear-gradient(300deg, color-mix(in srgb, var(--accent2) 7%, transparent), transparent 45%),
        var(--panel);
}
.cta-band::before {
    content: ''; position: absolute; inset: 10px; border-radius: 10px; pointer-events: none;
    border: 1px dashed color-mix(in srgb, var(--accent) 22%, transparent);
}
.cta-band h2 { font-size: clamp(26px, 4vw, 38px); }
.cta-band p { color: var(--text-dim); margin: 12px 0 30px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* —— 详情页吸顶锚点条 —— */
.anchor-bar {
    position: sticky; top: 66px; z-index: 50;
    background: color-mix(in srgb, var(--bg) 82%, transparent);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.anchor-bar-inner {
    max-width: 1100px; margin: 0 auto; padding: 0 24px;
    display: flex; gap: 30px; align-items: center; height: 50px; overflow-x: auto;
}
.anchor-bar a {
    font-size: 14px; color: var(--text-dim); white-space: nowrap;
    height: 100%; display: inline-flex; align-items: center;
    border-bottom: 2px solid transparent; transition: color .25s, border-color .25s;
}
.anchor-bar a:hover { color: #fff; }
.anchor-bar a.on { color: var(--accent); border-bottom-color: var(--accent); }
.anchor-bar .anchor-cta { margin-left: auto; color: var(--accent); font-weight: 600; border-bottom: none !important; }

/* —— 关于页：定位陈述（大序号） —— */
.about-statement { max-width: 1100px; margin: 0 auto; padding: 80px 24px 20px; }
.statement-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.statement-item {
    padding: 32px 28px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel);
    transition: border-color .3s, transform .3s;
}
.statement-item:hover { border-color: color-mix(in srgb, var(--accent) 45%, transparent); transform: translateY(-3px); }
.st-no {
    font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--accent);
    letter-spacing: .2em; margin-bottom: 14px;
}
.st-no::after { content: ' /'; opacity: .4; }
.statement-item h3 { font-size: 18px; margin-bottom: 10px; }
.statement-item p { font-size: 13.5px; color: var(--text-dim); }

/* —— 关于页：技术底座 —— */
.stack-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; }
.stack-item {
    display: flex; flex-direction: column; gap: 4px; padding: 20px 22px;
    border: 1px solid var(--line); border-radius: 10px; background: var(--panel);
    transition: border-color .3s;
}
.stack-item:hover { border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.stack-item code { font-family: var(--mono); font-size: 15px; color: var(--accent); font-weight: 600; }
.stack-item span { font-size: 12.5px; color: var(--text-dim); }

/* —— 页脚四段式 —— */
.footer-banner {
    text-align: center; padding: 72px 24px 56px;
    border-bottom: 1px solid var(--line);
    background: radial-gradient(700px 320px at 50% 0%, color-mix(in srgb, var(--accent) 7%, transparent), transparent 70%);
}
.footer-banner h2 { font-size: clamp(24px, 3.6vw, 36px); margin-bottom: 18px; }
.footer-formula { color: var(--text-dim); font-size: 14.5px; margin-bottom: 28px; }
.footer-formula code {
    font-family: var(--mono); font-size: 13px; color: var(--text);
    background: rgba(255, 255, 255, .04); border: 1px solid var(--line);
    padding: 4px 12px; border-radius: 4px;
}
.footer-formula i { font-style: normal; color: var(--accent); margin: 0 8px; font-weight: 700; }
.footer-promise {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px;
    max-width: 1200px; margin: 0 auto; padding: 34px 24px;
    border-bottom: 1px solid var(--line);
}
.footer-promise > div { display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: 12px; align-items: center; }
.footer-promise span { grid-row: 1 / 3; font-size: 26px; }
.footer-promise strong { font-size: 14.5px; }
.footer-promise em { font-style: normal; font-size: 12.5px; color: var(--text-dim); }

/* —— 新组件响应式 —— */
@media (max-width: 960px) {
    .anchor-bar { top: 62px; }
    .anchor-bar .anchor-cta { margin-left: 12px; }
}
@media (max-width: 560px) {
    .page-hero { padding: 140px 20px 60px; }
    .sol-index-grid { grid-template-columns: 1fr; }
    .footer-banner { padding: 52px 20px 40px; }
    .footer-formula code { display: inline-block; margin: 3px 0; }
}

/* ============================================================
   UI 评审精修轮（ui-designer agent 10 条建议落地）
   ============================================================ */
:root { --r-1: 2px; --r-2: 4px; --r-3: 8px; --r-4: 12px; }

/* 1. emoji 图标单色发光化：压掉 OS 彩色，统一为主题色辉光（树上果实保留彩色） */
.sic-icon, .cap-icon, .sc-icon, .footer-promise span, .detail-orb {
    filter: grayscale(1) brightness(1.9) drop-shadow(0 0 10px color-mix(in srgb, var(--accent) 65%, transparent));
}

/* 2. 详情页三层左缘对齐到同一 1100px 栅格 */
.detail-hero-inner { max-width: 1100px; }
.breadcrumb { margin-bottom: 28px; }

/* 3. 详情页内子区标题降级（左对齐、收小、去辉光） */
.detail-body-section .section-head {
    text-align: left; max-width: none; margin: 0 0 32px; padding: 0;
}
.detail-body-section .section-head h2 { font-size: 22px; text-shadow: none; }
.detail-body-section .section-head .eyebrow { margin-bottom: 8px; }
.other-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 380px)); }

/* 4. 流程编号方块化 + mono，与 st-no 编号语言统一 */
.step-no {
    border-radius: 10px;
    font-family: var(--mono); letter-spacing: .04em;
}

/* 5. 卡密：卡内收紧、底缘对齐（examples 贴底 + 发丝线） */
.feature-card { padding: 20px 22px; }
.feature-grid { gap: 14px; }
.cap-grid { gap: 16px; }
.cap-card { display: flex; flex-direction: column; }
.cap-examples {
    margin-top: auto; padding-top: 12px;
    border-top: 1px solid var(--line);
}
.cap-card > p { margin-bottom: 14px; }

/* 6. 技术栈芯片去 dashed（手绘感残留），统一 mono 精密芯片 */
.sc-tech span, .modal-tech span {
    border: 1px solid rgba(255, 255, 255, .14);
    font-family: var(--mono); font-size: 11.5px; letter-spacing: .03em;
}

/* 7. 锚点条 CTA 改小型描边按钮，与导航主按钮区分 */
.anchor-bar .anchor-cta {
    height: auto; padding: 5px 14px; font-size: 13px;
    border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
    border-radius: var(--r-2);
    transition: background .25s, color .25s;
}
.anchor-bar .anchor-cta:hover { background: color-mix(in srgb, var(--accent) 16%, transparent); }

/* 8. 数据数字等宽化 + 发丝分隔，单位弱化 */
.stat-num { font-family: var(--mono); font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.detail-stats .dstat + .dstat { border-left: 1px solid var(--line); padding-left: clamp(28px, 4vw, 56px); }

/* 9. eyebrow 纳入 mono 体系，代码注释式前缀 */
.eyebrow { font-family: var(--mono); font-size: 12px; }
.eyebrow::before { content: '◆ '; opacity: .55; }

/* 10. 四角刻线 hover 推广到全部卡片家族（统一签名微交互） */
.sol-index-card::after, .feature-card::after, .statement-item::after {
    content: ''; position: absolute; inset: 9px; pointer-events: none;
    opacity: 0; transition: opacity .35s;
    background-image:
        linear-gradient(var(--accent), var(--accent)), linear-gradient(var(--accent), var(--accent)),
        linear-gradient(var(--accent), var(--accent)), linear-gradient(var(--accent), var(--accent));
    background-position: left top, left top, right bottom, right bottom;
    background-size: 14px 1.5px, 1.5px 14px, 14px 1.5px, 1.5px 14px;
    background-repeat: no-repeat;
}
.feature-card, .statement-item { position: relative; }
.sol-index-card:hover::after, .feature-card:hover::after, .statement-item:hover::after { opacity: .75; }

/* ============================================================
   质感增强层：噪点 / 内高光 / 光带（效果到位轮）
   ============================================================ */

/* 胶片噪点：消除暗部渐变 banding，增加质感 */
body::before {
    content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 1999;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    opacity: .028; mix-blend-mode: overlay;
}

/* 暗色 UI 关键细节：卡片顶部 1px 内高光（受光面） */
.cap-card, .sol-index-card, .feature-card, .statement-item, .stack-item,
.solution-card, .aside-card, .detail-prose, .other-card, .contact-card, .sc-feature {
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .055);
}

/* 按钮顶部光泽 */
.btn-primary {
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, .22),
        0 8px 30px color-mix(in srgb, var(--accent) 25%, transparent);
}
.btn-primary:hover {
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, .22),
        0 10px 40px color-mix(in srgb, var(--accent2) 45%, transparent);
}

/* Hero 主标题更大胆 */
.hero h1 { font-weight: 900; }

/* 科幻地平线：网格远端的发光横线 */
.hero::after {
    content: ''; position: absolute; left: 6%; right: 6%; bottom: 44%;
    height: 1px; pointer-events: none; z-index: 1;
    background: linear-gradient(90deg, transparent 5%, color-mix(in srgb, var(--accent) 65%, transparent) 38%, color-mix(in srgb, #a78bfa 60%, transparent) 62%, transparent 95%);
    box-shadow: 0 0 22px 1px color-mix(in srgb, var(--accent) 40%, transparent);
    opacity: .55;
}

/* 树冠背后的星球光盘（增加场景纵深） */
.tree-stage::before {
    content: ''; position: absolute; left: 50%; top: 4%;
    width: min(540px, 60vw); aspect-ratio: 1; transform: translateX(-50%);
    background: radial-gradient(circle,
        color-mix(in srgb, var(--accent3) 13%, transparent) 0%,
        color-mix(in srgb, var(--accent3) 5%, transparent) 42%,
        transparent 66%);
    pointer-events: none; z-index: 0;
}

/* 表单输入悬停微反馈 */
.contact-form input:hover, .contact-form textarea:hover, .select-trigger:hover {
    border-color: rgba(255, 255, 255, .2);
}

@media (max-width: 560px) {
    .hero::after { bottom: 32%; }
}

/* ============================================================
   OmniAI UI 移植层：全局网格背景 / Hero Dashboard / Command Center
   ============================================================ */

/* —— 全局动态网格背景（fixed，径向渐隐遮罩）—— */
.site-bg { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.site-bg::before, .site-bg::after {
    content: ''; position: absolute; border-radius: 50%;
}
.site-bg::before {
    width: 560px; height: 560px; left: -160px; top: -160px;
    background: radial-gradient(circle, color-mix(in srgb, var(--accent) 10%, transparent), transparent 65%);
}
.site-bg::after {
    width: 640px; height: 640px; right: -200px; top: 22%;
    background: radial-gradient(circle, color-mix(in srgb, var(--accent2) 12%, transparent), transparent 65%);
}
.bg-particle {
    position: absolute; border-radius: 50%;
    width: var(--ps, 3px); height: var(--ps, 3px);
    left: var(--px); top: var(--py);
    background: color-mix(in srgb, var(--accent) 60%, transparent);
    box-shadow: 0 0 8px color-mix(in srgb, var(--accent) 60%, transparent);
    animation: chipFloat var(--pd, 8s) ease-in-out var(--pdelay, 0s) infinite;
}
main, .site-footer { position: relative; z-index: 1; }

/* —— 区块标题双语结构（英文渐变大标题 + 中文副标题）—— */
.section-head .head-en {
    font-size: clamp(26px, 4vw, 40px); font-weight: 800; letter-spacing: .01em;
    text-shadow: none;
}
.section-head .head-zh { font-size: 19px; font-weight: 700; color: var(--text); margin-top: 10px; }

/* —— Hero 双栏布局 —— */
.hero-split {
    position: relative; z-index: 2; max-width: 1200px; margin: 0 auto;
    display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center;
    padding: 150px 24px 90px; text-align: left;
}
.hero-split .hero-eyebrow { margin-bottom: 26px; }
.hero-split h1 { font-size: clamp(36px, 5.2vw, 60px); font-weight: 900; line-height: 1.15; }
.hero-split .hero-sub { margin-top: 22px; font-size: 17px; color: var(--text); font-weight: 500; }
.hero-split .hero-desc { margin-top: 14px; font-size: 14px; line-height: 1.8; color: var(--text-dim); max-width: 520px; }
.hero-split .hero-cta { justify-content: flex-start; margin-top: 34px; }
.hero-split .hero-chips { justify-content: flex-start; margin-top: 44px; }

/* —— AI Command Hub 仪表盘卡 —— */
.hub-card {
    position: relative; border-radius: 14px; padding: 24px;
    background: var(--panel); border: 1px solid var(--line);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    box-shadow: inset 0 1px 0 rgba(229, 240, 255, .06), 0 24px 70px rgba(0, 0, 0, .45);
    animation: hubFloat 6s ease-in-out infinite;
}
@keyframes hubFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.hub-head {
    display: flex; justify-content: space-between; align-items: center;
    padding-bottom: 16px; margin-bottom: 18px; border-bottom: 1px solid var(--line);
}
.hub-title { display: flex; align-items: center; gap: 10px; }
.hub-title .hub-ico {
    width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center; font-size: 16px;
    background: color-mix(in srgb, var(--accent) 10%, transparent);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 30%, transparent);
}
.hub-title strong { font-size: 14px; display: block; }
.hub-title small { font-family: var(--mono); font-size: 10px; letter-spacing: .12em; color: var(--text-dim); }
.hub-live {
    display: inline-flex; align-items: center; gap: 6px;
    font-family: var(--mono); font-size: 10px; color: #00FF9C;
    border: 1px solid rgba(0, 255, 156, .3); background: rgba(0, 255, 156, .05);
    padding: 4px 10px; border-radius: 999px;
}
.hub-live i { width: 6px; height: 6px; border-radius: 50%; background: #00FF9C; animation: tipPulse 2s ease-in-out infinite; }
.hub-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.hub-metric {
    border: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
    background: color-mix(in srgb, var(--bg) 55%, transparent);
    border-radius: 10px; padding: 13px 14px;
}
.hub-metric b {
    font-family: var(--mono); font-size: 20px; font-weight: 700;
    font-variant-numeric: tabular-nums; display: block;
}
.hub-metric span { font-size: 11px; color: var(--text-dim); line-height: 1.4; display: block; margin-top: 3px; }
.hub-flow { margin-top: 18px; opacity: .55; }
.hub-flow path { stroke-dasharray: 6 5; animation: circuitFlow 2s linear infinite; }
.hub-c1 { color: var(--accent); }
.hub-c2 { color: var(--accent2); }
.hub-c3 { color: var(--accent3); }
.hub-c4 { color: #F5C542; }
.hub-c5 { color: #00FF9C; }

/* —— AI Command Center 大屏 —— */
.cc-board {
    max-width: 1200px; margin: 0 auto; border-radius: 16px; overflow: hidden;
    background: var(--panel); border: 1px solid var(--line);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    box-shadow: inset 0 1px 0 rgba(229, 240, 255, .05), 0 30px 80px rgba(0, 0, 0, .4);
}
.cc-top {
    display: flex; justify-content: space-between; align-items: center;
    padding: 14px 22px; border-bottom: 1px solid var(--line);
}
.cc-top p { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; color: var(--text-dim); }
.cc-dots { display: flex; gap: 6px; }
.cc-dots i { width: 10px; height: 10px; border-radius: 50%; }
.cc-dots i:nth-child(1) { background: rgba(255, 59, 92, .7); }
.cc-dots i:nth-child(2) { background: rgba(245, 197, 66, .7); }
.cc-dots i:nth-child(3) { background: rgba(0, 255, 156, .7); }
.cc-grid { display: grid; grid-template-columns: 1fr 1.3fr .8fr; gap: 20px; padding: 22px; }
.cc-panel {
    border: 1px solid var(--line); border-radius: 12px; padding: 16px;
    background: color-mix(in srgb, var(--bg) 60%, transparent);
}
.cc-label {
    font-family: var(--mono); font-size: 10px; letter-spacing: .2em;
    text-transform: uppercase; color: var(--text-dim); margin-bottom: 12px;
}
.cc-input p { font-size: 14px; line-height: 1.75; }
.cc-cursor { display: inline-block; width: 8px; height: 16px; background: var(--accent); vertical-align: middle; animation: tipPulse 1.2s ease-in-out infinite; }
.cc-analysis {
    border-color: color-mix(in srgb, var(--accent) 25%, transparent);
    background: color-mix(in srgb, var(--accent) 4%, transparent);
    margin-top: 16px;
}
.cc-analysis .cc-label { color: var(--accent); }
.cc-analysis li { font-size: 13px; line-height: 1.6; margin-bottom: 9px; list-style: none; }
.cc-analysis li span { color: var(--text-dim); }
.cc-analysis li b { font-weight: 600; }
.cc-chart svg { width: 100%; height: auto; }
.cc-legend { display: flex; gap: 16px; justify-content: center; margin-top: 10px; flex-wrap: wrap; }
.cc-legend span { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; color: var(--text-dim); }
.cc-legend i { width: 14px; height: 2.5px; border-radius: 2px; }
.cc-agents li {
    display: flex; justify-content: space-between; align-items: center; list-style: none;
    border: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
    background: var(--panel); border-radius: 8px;
    padding: 11px 14px; margin-bottom: 9px; font-size: 13px; font-weight: 500;
}
.cc-agents .hub-live { font-size: 9px; padding: 3px 8px; }
.cc-pipeline {
    display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 8px;
    padding: 18px 22px; border-top: 1px solid var(--line);
}
.cc-pipeline span {
    font-family: var(--mono); font-size: 12px;
    border: 1px solid var(--line); border-radius: 6px; padding: 8px 14px;
    background: color-mix(in srgb, var(--bg) 60%, transparent);
}
.cc-pipeline em { font-style: normal; color: color-mix(in srgb, var(--accent) 70%, transparent); font-size: 13px; }

/* —— 响应式 —— */
@media (max-width: 960px) {
    .hero-split { grid-template-columns: 1fr; padding-top: 130px; gap: 44px; text-align: center; }
    .hero-split .hero-cta, .hero-split .hero-chips { justify-content: center; }
    .hero-split .hero-desc { margin-left: auto; margin-right: auto; }
    .cc-grid { grid-template-columns: 1fr; }
    .hub-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 560px) {
    .hub-grid { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    .hub-card { animation: none; }
}