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

:root{
  --bg:#07080c;
  --surface:#0d0f16;
  --surface2:#12151f;
  --surface3:#181c28;
  --accent:#00f0ff;
  --accent2:#7b2fff;
  --accent3:#ff2d6b;
  --text:#e8eaf0;
  --text-muted:#6b7394;
  --text-dim:#3a3f58;
  --glow:0 0 20px rgba(0,240,255,.15);
  --glow-strong:0 0 40px rgba(0,240,255,.25);
  --radius:12px;
  --font-display:'Bebas Neue',sans-serif;
  --font-mono:'DM Mono',monospace;
  --font-body:'Noto Sans SC',sans-serif;
}

/* ===== 基础 ===== */
html{scroll-behavior:smooth;font-size:16px}

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.7;
  overflow-x:hidden;
}

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

::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--accent2);border-radius:3px}

/* 全局织纹噪点 */
body::before{
  content:'';
  position:fixed;
  inset:0;
  z-index:9999;
  pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity:.03;
}

/* ===== 导航栏 ===== */
nav{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:1000;
  background:rgba(7,8,12,.85);
  backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(0,240,255,.06);
  transition:all .3s;
}

nav.scrolled{
  background:rgba(7,8,12,.95);
  box-shadow:0 4px 30px rgba(0,0,0,.5);
}

.nav-inner{
  max-width:1280px;
  margin:0 auto;
  padding:0 2rem;
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:70px;
}

.logo{
  font-family:var(--font-display);
  font-size:1.8rem;
  letter-spacing:.08em;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  cursor:default;
}

.logo span{
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.15em;
  -webkit-text-fill-color:var(--text-muted);
  display:block;
  margin-top:-4px;
}

.nav-links{
  display:flex;
  gap:2rem;
  align-items:center;
}

.nav-links a{
  color:var(--text-muted);
  text-decoration:none;
  font-size:.85rem;
  font-family:var(--font-mono);
  letter-spacing:.05em;
  transition:color .2s;
  position:relative;
}

.nav-links a:hover{color:var(--accent)}

.nav-links a::after{
  content:'';
  position:absolute;
  bottom:-4px;
  left:0;
  width:0;
  height:1px;
  background:var(--accent);
  transition:width .3s;
}

.nav-links a:hover::after{width:100%}

.nav-cta{
  padding:.5rem 1.4rem;
  background:transparent;
  border:1px solid var(--accent);
  color:var(--accent);
  font-family:var(--font-mono);
  font-size:.8rem;
  letter-spacing:.08em;
  cursor:pointer;
  transition:all .3s;
  border-radius:4px;
}

.nav-cta:hover{
  background:var(--accent);
  color:var(--bg);
  box-shadow:var(--glow-strong);
}

/* ===== 首页大图 ===== */
.hero{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
  overflow:hidden;
  padding:6rem 2rem 4rem;
}

.hero-bg{
  position:absolute;
  inset:0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%,rgba(123,47,255,.08),transparent 70%),
    radial-gradient(ellipse 60% 50% at 20% 80%,rgba(0,240,255,.05),transparent 60%),
    radial-gradient(ellipse 50% 40% at 85% 20%,rgba(255,45,107,.04),transparent 50%);
}

/* 织纹网格底纹 */
.hero-grid{
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(0,240,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,240,255,.03) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 50%,black,transparent);
}

/* 六边形纹理底纹 — 呼应"纹理"主题 */
.hero-hex{
  position:absolute;
  inset:0;
  opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='100'%3E%3Cpath d='M28 66L0 50V16L28 0l28 16v34L28 66zm0 34L0 84V50l28-16 28 16v34L28 100z' fill='none' stroke='%2300f0ff' stroke-width='.5'/%3E%3C/svg%3E");
  background-size:56px 100px;
  animation:hexScroll 30s linear infinite;
}

@keyframes hexScroll{
  0%{background-position:0 0}
  100%{background-position:56px 100px}
}

/* 无限符号轨道 — 呼应"无尽" */
.infinity-track{
  position:absolute;
  width:600px;
  height:300px;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  opacity:.06;
}

.infinity-track svg{
  width:100%;
  height:100%;
}

.infinity-track svg path{
  fill:none;
  stroke:var(--accent);
  stroke-width:1;
  stroke-dasharray:8 12;
  animation:dashFlow 4s linear infinite;
}

@keyframes dashFlow{
  0%{stroke-dashoffset:0}
  100%{stroke-dashoffset:-80}
}

.hero-orb{
  position:absolute;
  width:500px;
  height:500px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(0,240,255,.08),transparent 70%);
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  animation:orbPulse 6s ease-in-out infinite;
}

@keyframes orbPulse{
  0%,100%{transform:translate(-50%,-50%) scale(1);opacity:.6}
  50%{transform:translate(-50%,-50%) scale(1.15);opacity:1}
}

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

.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  padding:.4rem 1rem;
  border:1px solid rgba(0,240,255,.15);
  border-radius:100px;
  margin-bottom:2rem;
  font-family:var(--font-mono);
  font-size:.72rem;
  color:var(--accent);
  letter-spacing:.1em;
  backdrop-filter:blur(10px);
  background:rgba(0,240,255,.03);
}

.hero-badge .dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--accent);
  animation:blink 2s infinite;
}

@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}

.hero h1{
  font-family:var(--font-display);
  font-size:clamp(3.5rem,8vw,7rem);
  letter-spacing:.06em;
  line-height:1;
  margin-bottom:1.5rem;
}

.hero h1 .grad{
  background:linear-gradient(135deg,var(--accent) 0%,var(--accent2) 50%,var(--accent3) 100%);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}

/* 纹理装饰线 — 标题下方 */
.hero h1::after{
  content:'';
  display:block;
  width:120px;
  height:2px;
  margin:1rem auto 0;
  background:linear-gradient(90deg,transparent,var(--accent),var(--accent2),transparent);
  animation:texLine 3s ease-in-out infinite;
}

@keyframes texLine{
  0%,100%{width:120px;opacity:.5}
  50%{width:200px;opacity:1}
}

.hero-desc{
  font-size:1.1rem;
  color:var(--text-muted);
  max-width:600px;
  margin:0 auto 3rem;
  line-height:1.9;
  font-weight:300;
}

.hero-actions{
  display:flex;
  gap:1rem;
  justify-content:center;
  flex-wrap:wrap;
}

.btn-primary{
  padding:.85rem 2.5rem;
  background:var(--accent);
  color:var(--bg);
  border:none;
  font-family:var(--font-mono);
  font-size:.85rem;
  letter-spacing:.1em;
  cursor:pointer;
  transition:all .3s;
  border-radius:4px;
  font-weight:500;
}

.btn-primary:hover{
  box-shadow:var(--glow-strong);
  transform:translateY(-2px);
}

.btn-outline{
  padding:.85rem 2.5rem;
  background:transparent;
  border:1px solid var(--text-dim);
  color:var(--text);
  font-family:var(--font-mono);
  font-size:.85rem;
  letter-spacing:.1em;
  cursor:pointer;
  transition:all .3s;
  border-radius:4px;
}

.btn-outline:hover{border-color:var(--accent2);color:var(--accent2)}

.hero-stats{
  display:flex;
  justify-content:center;
  gap:3rem;
  margin-top:4rem;
  padding-top:3rem;
  border-top:1px solid rgba(255,255,255,.04);
}

.stat{text-align:center}

.stat-num{
  font-family:var(--font-display);
  font-size:2.4rem;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}

.stat-label{
  font-family:var(--font-mono);
  font-size:.7rem;
  color:var(--text-muted);
  letter-spacing:.1em;
  margin-top:.2rem;
}

/* ===== 通用段落 ===== */
section{padding:7rem 2rem;position:relative}
.section-inner{max-width:1200px;margin:0 auto}

.section-label{
  font-family:var(--font-mono);
  font-size:.7rem;
  color:var(--accent);
  letter-spacing:.2em;
  margin-bottom:.8rem;
}

.section-title{
  font-family:var(--font-display);
  font-size:clamp(2rem,4vw,3.2rem);
  letter-spacing:.05em;
  margin-bottom:1rem;
}

.section-desc{
  color:var(--text-muted);
  max-width:560px;
  font-weight:300;
  line-height:1.8;
  margin-bottom:3.5rem;
}

/* ===== 功能特性 ===== */
.features-section{
  background:
    radial-gradient(ellipse 50% 40% at 80% 20%,rgba(123,47,255,.06),transparent),
    var(--bg);
}

.features-tabs{
  display:flex;
  gap:.5rem;
  margin-bottom:3rem;
  flex-wrap:wrap;
}

.features-tab{
  padding:.6rem 1.4rem;
  background:var(--surface);
  border:1px solid var(--text-dim);
  color:var(--text-muted);
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.08em;
  cursor:pointer;
  transition:all .3s;
  border-radius:4px;
}

.features-tab.active,
.features-tab:hover{
  border-color:var(--accent);
  color:var(--accent);
  background:rgba(0,240,255,.04);
}

.features-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:1rem;
}

.feat-card{
  background:var(--surface);
  border:1px solid rgba(255,255,255,.04);
  border-radius:var(--radius);
  padding:1.6rem;
  transition:all .4s;
  position:relative;
  overflow:hidden;
}

.feat-card::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  opacity:0;
  transition:opacity .4s;
}

.feat-card:hover{
  border-color:rgba(0,240,255,.1);
  transform:translateY(-3px);
}

.feat-card:hover::before{opacity:1}

.feat-icon{
  width:40px;
  height:40px;
  border-radius:8px;
  background:linear-gradient(135deg,rgba(0,240,255,.1),rgba(123,47,255,.1));
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:1rem;
  font-size:1.1rem;
}

.feat-card h3{
  font-size:.95rem;
  font-weight:500;
  margin-bottom:.5rem;
  letter-spacing:.02em;
}

.feat-card p{
  font-size:.8rem;
  color:var(--text-muted);
  line-height:1.7;
  font-weight:300;
}

.feat-tag{
  display:inline-block;
  margin-top:.8rem;
  padding:.2rem .6rem;
  background:rgba(0,240,255,.06);
  border:1px solid rgba(0,240,255,.1);
  border-radius:3px;
  font-family:var(--font-mono);
  font-size:.65rem;
  color:var(--accent);
  letter-spacing:.05em;
}

/* ===== 三端架构 ===== */
.arch-section{background:var(--surface)}

.arch-flow{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1.5rem;
  margin-top:3rem;
}

.arch-col{
  display:flex;
  flex-direction:column;
  gap:1rem;
}

.arch-col-header{
  text-align:center;
  padding:1rem;
  border:1px solid;
  border-radius:var(--radius);
  font-family:var(--font-mono);
  font-size:.8rem;
  letter-spacing:.1em;
}

.arch-col-header.user-h{
  border-color:rgba(0,240,255,.2);
  color:var(--accent);
  background:rgba(0,240,255,.03);
}

.arch-col-header.dev-h{
  border-color:rgba(123,47,255,.2);
  color:var(--accent2);
  background:rgba(123,47,255,.03);
}

.arch-col-header.agent-h{
  border-color:rgba(255,45,107,.2);
  color:var(--accent3);
  background:rgba(255,45,107,.03);
}

.arch-item{
  padding:1rem 1.2rem;
  background:var(--bg);
  border:1px solid rgba(255,255,255,.03);
  border-radius:8px;
  font-size:.82rem;
  color:var(--text-muted);
  transition:all .3s;
  cursor:default;
}

.arch-item:hover{
  border-color:rgba(0,240,255,.1);
  color:var(--text);
  background:var(--surface2);
}

.arch-item .icon{margin-right:.5rem}

/* ===== 纹理预览展示区 — 新增 ===== */
.texture-showcase{
  background:
    radial-gradient(ellipse 50% 40% at 50% 50%,rgba(0,240,255,.04),transparent),
    var(--bg);
  position:relative;
  overflow:hidden;
}

/* 背景无限循环纹理 */
.texture-showcase::before{
  content:'';
  position:absolute;
  inset:0;
  opacity:.025;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Crect width='80' height='80' fill='none'/%3E%3Ccircle cx='40' cy='40' r='1.5' fill='%2300f0ff'/%3E%3Cline x1='0' y1='40' x2='80' y2='40' stroke='%2300f0ff' stroke-width='.3'/%3E%3Cline x1='40' y1='0' x2='40' y2='80' stroke='%2300f0ff' stroke-width='.3'/%3E%3C/svg%3E");
  background-size:80px 80px;
  animation:texBg 20s linear infinite;
}

@keyframes texBg{
  0%{background-position:0 0}
  100%{background-position:80px 80px}
}

.texture-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1rem;
  margin-top:2rem;
}

.tex-cell{
  aspect-ratio:1;
  border-radius:var(--radius);
  position:relative;
  overflow:hidden;
  cursor:default;
  transition:all .4s;
  border:1px solid rgba(255,255,255,.04);
}

.tex-cell:hover{
  transform:scale(1.03);
  border-color:rgba(0,240,255,.15);
  box-shadow:0 0 30px rgba(0,240,255,.08);
}

/* 每个格子不同的纹理图案 */
.tex-cell:nth-child(1){
  background:
    repeating-linear-gradient(45deg,rgba(0,240,255,.06) 0px,rgba(0,240,255,.06) 1px,transparent 1px,transparent 12px),
    repeating-linear-gradient(-45deg,rgba(123,47,255,.06) 0px,rgba(123,47,255,.06) 1px,transparent 1px,transparent 12px),
    var(--surface);
}

.tex-cell:nth-child(2){
  background:
    radial-gradient(circle 3px at 10px 10px,rgba(0,240,255,.1) 50%,transparent 50%),
    radial-gradient(circle 3px at 25px 25px,rgba(123,47,255,.1) 50%,transparent 50%),
    var(--surface);
  background-size:30px 30px;
}

.tex-cell:nth-child(3){
  background:
    repeating-conic-gradient(rgba(0,240,255,.05) 0% 25%,transparent 0% 50%) 0 0 / 20px 20px,
    var(--surface);
}

.tex-cell:nth-child(4){
  background:
    linear-gradient(135deg,rgba(0,240,255,.08) 25%,transparent 25%) -10px 0,
    linear-gradient(225deg,rgba(123,47,255,.08) 25%,transparent 25%) -10px 0,
    linear-gradient(315deg,rgba(0,240,255,.08) 25%,transparent 25%),
    linear-gradient(45deg,rgba(123,47,255,.08) 25%,transparent 25%),
    var(--surface);
  background-size:20px 20px;
}

.tex-cell:nth-child(5){
  background:
    repeating-linear-gradient(0deg,rgba(0,240,255,.04) 0px,rgba(0,240,255,.04) 1px,transparent 1px,transparent 8px),
    repeating-linear-gradient(90deg,rgba(0,240,255,.04) 0px,rgba(0,240,255,.04) 1px,transparent 1px,transparent 8px),
    repeating-linear-gradient(0deg,rgba(123,47,255,.06) 0px,rgba(123,47,255,.06) 1px,transparent 1px,transparent 40px),
    repeating-linear-gradient(90deg,rgba(123,47,255,.06) 0px,rgba(123,47,255,.06) 1px,transparent 1px,transparent 40px),
    var(--surface);
}

.tex-cell:nth-child(6){
  background:
    linear-gradient(60deg,rgba(255,45,107,.05) 25%,transparent 25.5%,transparent 75%,rgba(255,45,107,.05) 75%),
    linear-gradient(120deg,rgba(0,240,255,.05) 25%,transparent 25.5%,transparent 75%,rgba(0,240,255,.05) 75%),
    var(--surface);
  background-size:40px 70px;
}

.tex-cell:nth-child(7){
  background:
    radial-gradient(circle at 0% 50%,rgba(0,240,255,.08) 5%,transparent 50%),
    radial-gradient(circle at 100% 50%,rgba(123,47,255,.08) 5%,transparent 50%),
    var(--surface);
  background-size:30px 30px;
}

.tex-cell:nth-child(8){
  background:
    repeating-linear-gradient(90deg,rgba(0,240,255,.03) 0px,rgba(0,240,255,.03) 2px,transparent 2px,transparent 6px),
    repeating-linear-gradient(0deg,rgba(123,47,255,.05) 0px,rgba(123,47,255,.05) 2px,transparent 2px,transparent 6px),
    linear-gradient(45deg,rgba(255,45,107,.03) 0%,transparent 50%),
    var(--surface);
}

.tex-cell .tex-label{
  position:absolute;
  bottom:.8rem;
  left:.8rem;
  font-family:var(--font-mono);
  font-size:.6rem;
  color:var(--text-muted);
  letter-spacing:.08em;
  opacity:0;
  transition:opacity .3s;
  background:rgba(7,8,12,.7);
  padding:.2rem .5rem;
  border-radius:3px;
}

.tex-cell:hover .tex-label{opacity:1}

/* ===== 远程管控 ===== */
.remote-section{background:var(--surface)}

.remote-list{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
  gap:.8rem;
  margin-top:2rem;
}

.remote-item{
  display:flex;
  align-items:center;
  gap:.8rem;
  padding:1rem 1.2rem;
  background:var(--bg);
  border:1px solid rgba(255,255,255,.03);
  border-radius:8px;
  transition:all .3s;
}

.remote-item:hover{border-color:rgba(123,47,255,.15)}

.remote-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  flex-shrink:0;
}

.remote-dot.cyan{background:var(--accent);box-shadow:0 0 8px var(--accent)}
.remote-dot.purple{background:var(--accent2);box-shadow:0 0 8px var(--accent2)}
.remote-dot.pink{background:var(--accent3);box-shadow:0 0 8px var(--accent3)}

.remote-item span{font-size:.82rem;color:var(--text-muted)}

/* ===== 技术展示 ===== */
.showcase-section{
  background:
    radial-gradient(ellipse 60% 50% at 20% 80%,rgba(0,240,255,.04),transparent),
    var(--bg);
}

.showcase-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1.5rem;
}

.showcase-card{
  background:var(--surface);
  border:1px solid rgba(255,255,255,.04);
  border-radius:var(--radius);
  padding:2.5rem;
  position:relative;
  overflow:hidden;
}

.showcase-card.full{grid-column:1/-1}

.showcase-card h3{
  font-family:var(--font-display);
  font-size:1.6rem;
  letter-spacing:.05em;
  margin-bottom:.8rem;
}

.showcase-card p{
  color:var(--text-muted);
  font-size:.88rem;
  font-weight:300;
  line-height:1.8;
  max-width:500px;
}

.showcase-visual{
  margin-top:1.5rem;
  padding:1.5rem;
  background:var(--bg);
  border:1px solid rgba(255,255,255,.03);
  border-radius:8px;
  font-family:var(--font-mono);
  font-size:.75rem;
  color:var(--text-muted);
  line-height:2;
}

.showcase-visual .cmd{color:var(--accent)}
.showcase-visual .str{color:var(--accent2)}
.showcase-visual .num{color:var(--accent3)}
.showcase-visual .cmt{color:var(--text-dim)}

.showcase-card .corner-tag{
  position:absolute;
  top:1.5rem;
  right:1.5rem;
  padding:.3rem .8rem;
  border:1px solid rgba(0,240,255,.15);
  border-radius:3px;
  font-family:var(--font-mono);
  font-size:.65rem;
  color:var(--accent);
  letter-spacing:.08em;
}

/* ===== 定价 ===== */
.pricing-section{
  background:
    radial-gradient(ellipse 70% 50% at 50% 30%,rgba(123,47,255,.06),transparent),
    var(--surface);
}

.pricing-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1.5rem;
  max-width:900px;
  margin:0 auto 4rem;
}

.pricing-card{
  background:var(--bg);
  border:1px solid rgba(255,255,255,.05);
  border-radius:16px;
  padding:2.5rem 2rem;
  position:relative;
  overflow:hidden;
  transition:all .4s;
  display:flex;
  flex-direction:column;
}

.pricing-card:hover{
  transform:translateY(-4px);
  border-color:rgba(0,240,255,.1);
}

.pricing-card.featured{
  border-color:rgba(0,240,255,.15);
  background:
    linear-gradient(180deg,rgba(0,240,255,.03) 0%,transparent 40%),
    var(--bg);
}

.pricing-card.featured::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent2),var(--accent3));
}

/* 定价卡片纹理底纹 */
.pricing-card::after{
  content:'';
  position:absolute;
  bottom:-20px;
  right:-20px;
  width:120px;
  height:120px;
  opacity:.03;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='100'%3E%3Cpath d='M28 66L0 50V16L28 0l28 16v34L28 66zm0 34L0 84V50l28-16 28 16v34L28 100z' fill='none' stroke='%2300f0ff' stroke-width='1'/%3E%3C/svg%3E");
  background-size:28px 50px;
}

.pricing-badge{
  position:absolute;
  top:1.5rem;
  right:1.5rem;
  padding:.25rem .8rem;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  border-radius:100px;
  font-family:var(--font-mono);
  font-size:.6rem;
  color:var(--bg);
  letter-spacing:.1em;
  font-weight:500;
}

.pricing-icon{
  width:48px;
  height:48px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.3rem;
  margin-bottom:1.5rem;
}

.pricing-card:nth-child(1) .pricing-icon{
  background:linear-gradient(135deg,rgba(0,240,255,.12),rgba(0,240,255,.03));
  border:1px solid rgba(0,240,255,.1);
}

.pricing-card:nth-child(2) .pricing-icon{
  background:linear-gradient(135deg,rgba(123,47,255,.12),rgba(123,47,255,.03));
  border:1px solid rgba(123,47,255,.1);
}

.pricing-name{
  font-family:var(--font-display);
  font-size:1.5rem;
  letter-spacing:.06em;
  margin-bottom:.4rem;
}

.pricing-subtitle{
  font-size:.8rem;
  color:var(--text-muted);
  margin-bottom:1.5rem;
  font-weight:300;
}

.pricing-price{
  display:flex;
  align-items:baseline;
  gap:.3rem;
  margin-bottom:.3rem;
}

.pricing-currency{
  font-family:var(--font-mono);
  font-size:1.2rem;
  color:var(--text-muted);
}

.pricing-amount{
  font-family:var(--font-display);
  font-size:3.5rem;
  letter-spacing:.02em;
  line-height:1;
}

.pricing-card:nth-child(1) .pricing-amount{
  background:linear-gradient(135deg,var(--accent),#00d4e0);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}

.pricing-card:nth-child(2) .pricing-amount{
  background:linear-gradient(135deg,var(--accent2),#a855f7);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}

.pricing-period{
  font-family:var(--font-mono);
  font-size:.75rem;
  color:var(--text-dim);
  margin-bottom:2rem;
}

.pricing-divider{
  width:100%;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.06),transparent);
  margin-bottom:1.5rem;
}

.pricing-features{list-style:none;flex:1}

.pricing-features li{
  display:flex;
  align-items:flex-start;
  gap:.7rem;
  padding:.55rem 0;
  font-size:.82rem;
  color:var(--text-muted);
  line-height:1.5;
}

.pricing-features li .check{
  flex-shrink:0;
  width:18px;
  height:18px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:.65rem;
  margin-top:1px;
}

.pricing-card:nth-child(1) .check{
  background:rgba(0,240,255,.08);
  color:var(--accent);
  border:1px solid rgba(0,240,255,.15);
}

.pricing-card:nth-child(2) .check{
  background:rgba(123,47,255,.08);
  color:var(--accent2);
  border:1px solid rgba(123,47,255,.15);
}

.pricing-cta{
  display:block;
  width:100%;
  padding:.9rem;
  margin-top:2rem;
  border:none;
  font-family:var(--font-mono);
  font-size:.82rem;
  letter-spacing:.08em;
  cursor:pointer;
  transition:all .3s;
  border-radius:6px;
  text-align:center;
}

.pricing-card:nth-child(1) .pricing-cta{
  background:rgba(0,240,255,.08);
  border:1px solid var(--accent);
  color:var(--accent);
}

.pricing-card:nth-child(1) .pricing-cta:hover{
  background:var(--accent);
  color:var(--bg);
  box-shadow:0 0 30px rgba(0,240,255,.2);
}

.pricing-card:nth-child(2) .pricing-cta{
  background:linear-gradient(135deg,var(--accent2),var(--accent3));
  color:#fff;
  border:1px solid transparent;
}

.pricing-card:nth-child(2) .pricing-cta:hover{
  box-shadow:0 0 30px rgba(123,47,255,.3);
  transform:translateY(-1px);
}

/* 定价下方特性亮点 */
.pricing-highlights{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1rem;
  max-width:900px;
  margin:0 auto;
}

.pricing-highlight{
  padding:1.5rem;
  background:var(--bg);
  border:1px solid rgba(255,255,255,.04);
  border-radius:var(--radius);
  text-align:center;
  transition:all .3s;
}

.pricing-highlight:hover{border-color:rgba(0,240,255,.08)}

.pricing-highlight .hl-icon{
  font-size:1.5rem;
  margin-bottom:.8rem;
}

.pricing-highlight h4{
  font-size:.85rem;
  font-weight:500;
  margin-bottom:.4rem;
  letter-spacing:.02em;
}

.pricing-highlight p{
  font-size:.72rem;
  color:var(--text-muted);
  line-height:1.6;
  font-weight:300;
}

.pricing-highlight .hl-tag{
  display:inline-block;
  margin-top:.6rem;
  padding:.15rem .5rem;
  border-radius:3px;
  font-family:var(--font-mono);
  font-size:.6rem;
  letter-spacing:.05em;
}

.pricing-highlight:nth-child(1) .hl-tag{
  background:rgba(0,240,255,.06);
  border:1px solid rgba(0,240,255,.1);
  color:var(--accent);
}

.pricing-highlight:nth-child(2) .hl-tag{
  background:rgba(123,47,255,.06);
  border:1px solid rgba(123,47,255,.1);
  color:var(--accent2);
}

.pricing-highlight:nth-child(3) .hl-tag{
  background:rgba(255,45,107,.06);
  border:1px solid rgba(255,45,107,.1);
  color:var(--accent3);
}

/* ===== 加载方式 ===== */
.loadmodes-section{
  background:var(--bg);
  position:relative;
}

/* 加载方式区域纹理背景 */
.loadmodes-section::before{
  content:'';
  position:absolute;
  inset:0;
  opacity:.02;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cpath d='M30 0L60 30L30 60L0 30Z' fill='none' stroke='%237b2fff' stroke-width='.5'/%3E%3C/svg%3E");
  background-size:60px 60px;
}

.loadmodes-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1.5rem;
  max-width:900px;
  margin:0 auto;
  position:relative;
}

.loadmode-card{
  background:var(--surface);
  border:1px solid rgba(255,255,255,.04);
  border-radius:var(--radius);
  padding:2rem;
  position:relative;
  overflow:hidden;
  transition:all .4s;
}

.loadmode-card:hover{
  border-color:rgba(0,240,255,.08);
  transform:translateY(-2px);
}

.loadmode-card::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:2px;
}

.loadmode-card:nth-child(1)::before{
  background:linear-gradient(90deg,var(--accent),transparent);
}

.loadmode-card:nth-child(2)::before{
  background:linear-gradient(90deg,var(--accent2),transparent);
}

/* 加载卡片纹理装饰 */
.loadmode-card::after{
  content:'';
  position:absolute;
  top:0;
  right:0;
  width:100px;
  height:100px;
  opacity:.04;
  mask-image:linear-gradient(135deg,black,transparent);
  -webkit-mask-image:linear-gradient(135deg,black,transparent);
}

.loadmode-card:nth-child(1)::after{
  background:
    repeating-linear-gradient(45deg,rgba(0,240,255,.3) 0px,rgba(0,240,255,.3) 1px,transparent 1px,transparent 8px),
    repeating-linear-gradient(-45deg,rgba(0,240,255,.3) 0px,rgba(0,240,255,.3) 1px,transparent 1px,transparent 8px);
}

.loadmode-card:nth-child(2)::after{
  background:
    repeating-linear-gradient(45deg,rgba(123,47,255,.3) 0px,rgba(123,47,255,.3) 1px,transparent 1px,transparent 8px),
    repeating-linear-gradient(-45deg,rgba(123,47,255,.3) 0px,rgba(123,47,255,.3) 1px,transparent 1px,transparent 8px);
}

.loadmode-num{
  font-family:var(--font-display);
  font-size:3rem;
  letter-spacing:.05em;
  line-height:1;
  margin-bottom:.5rem;
}

.loadmode-card:nth-child(1) .loadmode-num{
  color:rgba(0,240,255,.15);
}

.loadmode-card:nth-child(2) .loadmode-num{
  color:rgba(123,47,255,.15);
}

.loadmode-card h3{
  font-family:var(--font-display);
  font-size:1.4rem;
  letter-spacing:.05em;
  margin-bottom:.3rem;
}

.loadmode-card .lm-sub{
  font-family:var(--font-mono);
  font-size:.7rem;
  color:var(--text-dim);
  letter-spacing:.1em;
  margin-bottom:1rem;
}

.loadmode-card p{
  font-size:.82rem;
  color:var(--text-muted);
  line-height:1.8;
  font-weight:300;
  margin-bottom:1.2rem;
}

.loadmode-tags{
  display:flex;
  gap:.4rem;
  flex-wrap:wrap;
}

.loadmode-tag{
  padding:.2rem .6rem;
  border-radius:3px;
  font-family:var(--font-mono);
  font-size:.65rem;
  letter-spacing:.05em;
}

.loadmode-card:nth-child(1) .loadmode-tag{
  background:rgba(0,240,255,.06);
  border:1px solid rgba(0,240,255,.1);
  color:var(--accent);
}

.loadmode-card:nth-child(2) .loadmode-tag{
  background:rgba(123,47,255,.06);
  border:1px solid rgba(123,47,255,.1);
  color:var(--accent2);
}

/* ===== CTA ===== */
.cta-section{
  text-align:center;
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(ellipse 60% 50% at 50% 50%,rgba(123,47,255,.06),transparent),
    var(--bg);
}

/* CTA 区域无限纹理 */
.cta-section::before{
  content:'';
  position:absolute;
  inset:0;
  opacity:.02;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='100'%3E%3Cpath d='M28 66L0 50V16L28 0l28 16v34L28 66zm0 34L0 84V50l28-16 28 16v34L28 100z' fill='none' stroke='%2300f0ff' stroke-width='.5'/%3E%3C/svg%3E");
  background-size:56px 100px;
  animation:hexScroll 40s linear infinite;
}

.cta-section .section-title{margin-bottom:1.5rem}

.cta-desc{
  color:var(--text-muted);
  font-size:1rem;
  max-width:500px;
  margin:0 auto 3rem;
  font-weight:300;
  line-height:1.8;
}

.cta-buttons{
  display:flex;
  gap:1rem;
  justify-content:center;
  flex-wrap:wrap;
}

/* ===== 页脚 ===== */
footer{
  border-top:1px solid rgba(255,255,255,.04);
  padding:3rem 2rem;
  text-align:center;
  position:relative;
}

footer::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--accent),var(--accent2),var(--accent3),transparent);
  opacity:.15;
}

.footer-inner{max-width:1200px;margin:0 auto}

.footer-logo{
  font-family:var(--font-display);
  font-size:1.4rem;
  letter-spacing:.08em;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  margin-bottom:1rem;
}

.footer-links{
  display:flex;
  justify-content:center;
  gap:2rem;
  margin-bottom:1.5rem;
  flex-wrap:wrap;
}

.footer-links a{
  color:var(--text-muted);
  text-decoration:none;
  font-size:.8rem;
  font-family:var(--font-mono);
  transition:color .2s;
}

.footer-links a:hover{color:var(--accent)}

.footer-copy{
  font-family:var(--font-mono);
  font-size:.7rem;
  color:var(--text-dim);
  letter-spacing:.05em;
}

/* ===== 动画 ===== */
.fade-up{
  opacity:0;
  transform:translateY(30px);
  transition:opacity .7s ease,transform .7s ease;
}

.fade-up.visible{opacity:1;transform:translateY(0)}

.delay-1{transition-delay:.1s}
.delay-2{transition-delay:.2s}
.delay-3{transition-delay:.3s}
.delay-4{transition-delay:.4s}
.delay-5{transition-delay:.5s}

.particles{position:absolute;inset:0;overflow:hidden;pointer-events:none}

.particle{
  position:absolute;
  width:2px;
  height:2px;
  background:var(--accent);
  border-radius:50%;
  opacity:0;
  animation:float linear infinite;
}

@keyframes float{
  0%{opacity:0;transform:translateY(100vh) scale(0)}
  10%{opacity:.6}
  90%{opacity:.6}
  100%{opacity:0;transform:translateY(-10vh) scale(1)}
}

.scanline{
  position:absolute;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  opacity:.1;
  animation:scan 8s linear infinite;
}

@keyframes scan{0%{top:0}100%{top:100%}}

/* ===== 响应式 ===== */
@media(max-width:768px){
  .nav-links{display:none}
  .hero-stats{gap:1.5rem;flex-wrap:wrap}
  .arch-flow{grid-template-columns:1fr}
  .showcase-grid{grid-template-columns:1fr}
  .features-grid{grid-template-columns:1fr}
  .remote-list{grid-template-columns:1fr}
  .pricing-grid{grid-template-columns:1fr}
  .pricing-highlights{grid-template-columns:1fr}
  .loadmodes-grid{grid-template-columns:1fr}
  .texture-grid{grid-template-columns:repeat(2,1fr)}
  .infinity-track{width:300px;height:150px}
}

/* ===== 联系面板 ===== */
.contact-panel{
  max-height:0;
  overflow:hidden;
  transition:max-height .6s cubic-bezier(.4,0,.2,1),opacity .4s ease;
  opacity:0;
}

.contact-panel.open{
  max-height:700px;
  opacity:1;
}

.contact-inner{
  margin-top:3rem;
  padding:2.5rem;
  background:var(--surface);
  border:1px solid rgba(0,240,255,.08);
  border-radius:16px;
  position:relative;
  overflow:hidden;
}

/* 顶部渐变线 */
.contact-inner::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent2),var(--accent3));
}

/* 背景六边形纹理 */
.contact-inner::after{
  content:'';
  position:absolute;
  bottom:-10px;
  right:-10px;
  width:140px;
  height:140px;
  opacity:.03;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='100'%3E%3Cpath d='M28 66L0 50V16L28 0l28 16v34L28 66zm0 34L0 84V50l28-16 28 16v34L28 100z' fill='none' stroke='%2300f0ff' stroke-width='1'/%3E%3C/svg%3E");
  background-size:28px 50px;
}

.contact-header{
  text-align:center;
  margin-bottom:2rem;
  position:relative;
  z-index:1;
}

.contact-icon{
  font-size:2rem;
  display:block;
  margin-bottom:.6rem;
}

.contact-header h3{
  font-family:var(--font-display);
  font-size:1.6rem;
  letter-spacing:.06em;
  margin-bottom:.4rem;
}

.contact-sub{
  font-size:.82rem;
  color:var(--text-muted);
  font-weight:300;
}

/* 联系方式卡片 */
.contact-channels{
  display:flex;
  justify-content:center;
  margin-bottom:2rem;
  position:relative;
  z-index:1;
}

.contact-card{
  display:flex;
  align-items:center;
  gap:.8rem;
  padding:1rem 1.4rem;
  background:var(--bg);
  border:1px solid rgba(255,255,255,.04);
  border-radius:10px;
  text-decoration:none;
  transition:all .3s;
  cursor:pointer;
  max-width:320px;
  width:100%;
}


.contact-card:hover{
  border-color:rgba(0,240,255,.12);
  transform:translateY(-2px);
  box-shadow:0 4px 20px rgba(0,0,0,.3);
}

.cc-icon{
  width:38px;
  height:38px;
  border-radius:8px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-mono);
  font-size:.75rem;
  font-weight:700;
  flex-shrink:0;
  letter-spacing:0;
}

.cc-icon.qq{
  background:rgba(0,240,255,.08);
  color:var(--accent);
  border:1px solid rgba(0,240,255,.15);
}

.cc-icon.wx{
  background:rgba(76,175,80,.08);
  color:#4caf50;
  border:1px solid rgba(76,175,80,.15);
}

.cc-icon.tg{
  background:rgba(0,136,204,.08);
  color:#0088cc;
  border:1px solid rgba(0,136,204,.15);
}

.cc-info{
  display:flex;
  flex-direction:column;
  min-width:0;
}

.cc-label{
  font-family:var(--font-mono);
  font-size:.7rem;
  color:var(--text-muted);
  letter-spacing:.08em;
}

.cc-value{
  font-size:.82rem;
  color:var(--text);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.cc-arrow{
  margin-left:auto;
  color:var(--text-dim);
  font-size:.9rem;
  transition:transform .3s,color .3s;
}

.contact-card:hover .cc-arrow{
  transform:translateX(3px);
  color:var(--accent);
}

/* 提示信息 */
.contact-tips{
  padding:1.5rem;
  background:rgba(0,240,255,.02);
  border:1px solid rgba(0,240,255,.06);
  border-radius:10px;
  position:relative;
  z-index:1;
}

.tip-item{
  display:flex;
  align-items:flex-start;
  gap:.7rem;
  padding:.45rem 0;
  font-size:.78rem;
  color:var(--text-muted);
  line-height:1.6;
  font-weight:300;
}

.tip-item+.tip-item{
  border-top:1px solid rgba(255,255,255,.02);
  padding-top:.65rem;
}

.tip-dot{
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--accent);
  flex-shrink:0;
  margin-top:7px;
  opacity:.6;
}

/* 按钮状态变化 */
.btn-primary.contact-open{
  background:transparent;
  border:1px solid var(--accent);
  color:var(--accent);
}

.btn-primary.contact-open:hover{
  background:var(--accent);
  color:var(--bg);
}

/* 复制成功提示 */
.copy-toast{
  position:fixed;
  bottom:2rem;
  left:50%;
  transform:translateX(-50%) translateY(20px);
  padding:.6rem 1.5rem;
  background:var(--surface);
  border:1px solid rgba(0,240,255,.15);
  border-radius:8px;
  font-family:var(--font-mono);
  font-size:.78rem;
  color:var(--accent);
  letter-spacing:.05em;
  opacity:0;
  transition:all .3s;
  z-index:10000;
  backdrop-filter:blur(10px);
  pointer-events:none;
}

.copy-toast.show{
  opacity:1;
  transform:translateX(-50%) translateY(0);
}

/* 响应式 */
@media(max-width:768px){
  .contact-channels{grid-template-columns:1fr}
}