/* GPT Image 2 — 官网首页样式 (Glass Macaron v2) */

/* ── 基础 ────────────────────────────────── */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',sans-serif;background:#fff7fb;color:#1E293B;overflow-x:hidden;-webkit-font-smoothing:antialiased;position:relative}
body:before{content:'';position:fixed;inset:0;z-index:-2;pointer-events:none;background:radial-gradient(circle at 10% 8%,rgba(165,180,252,.32),transparent 18%),radial-gradient(circle at 88% 12%,rgba(96,165,250,.25),transparent 22%),radial-gradient(circle at 18% 46%,rgba(244,114,182,.20),transparent 24%),radial-gradient(circle at 82% 58%,rgba(94,234,212,.22),transparent 24%),radial-gradient(circle at 35% 92%,rgba(216,180,254,.22),transparent 26%),linear-gradient(135deg,#fff7fb 0%,#f8fbff 34%,#f7f2ff 67%,#effcff 100%)}
body:after{content:'';position:fixed;inset:0;z-index:-1;pointer-events:none;background-image:linear-gradient(rgba(99,102,241,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(99,102,241,.04) 1px,transparent 1px);background-size:78px 78px;opacity:.55;mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),rgba(0,0,0,.35))}
.macaron-gradient{background:linear-gradient(135deg,#A5B4FC,#C4B5FD)}

/* ── 玻璃效果 ─────────────────────────────── */
.glass{
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  border:1px solid rgba(255,255,255,.6);
  box-shadow:0 4px 24px rgba(148,163,184,.08),inset 0 1px 0 rgba(255,255,255,.5);
}
.glass-strong{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(32px);-webkit-backdrop-filter:blur(32px);
  border:1px solid rgba(255,255,255,.7);
  box-shadow:0 8px 32px rgba(148,163,184,.1),inset 0 1px 0 rgba(255,255,255,.6);
}

/* ── 胶囊按钮 ─────────────────────────────── */
.btn-capsule{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 28px;border-radius:9999px;border:0;
  font-weight:700;font-size:14px;cursor:pointer;
  transition:all .3s ease-in-out;text-decoration:none;
}
.btn-capsule.primary{
  background:linear-gradient(135deg,#A5B4FC,#C4B5FD);
  color:white;box-shadow:0 4px 16px rgba(165,180,252,.3);
}
.btn-capsule.primary:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(165,180,252,.4)}
.btn-capsule.ghost{
  background:transparent;color:#64748B;border:1px solid rgba(148,163,184,.2);
}
.btn-capsule.ghost:hover{background:rgba(165,180,252,.08);color:#1E293B;border-color:rgba(165,180,252,.3)}
.btn-capsule.white{
  background:white;color:#6366F1;box-shadow:0 4px 16px rgba(0,0,0,.06);
}
.btn-capsule.white:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(0,0,0,.1)}
.btn-capsule.sm{padding:8px 18px;font-size:12px}
.btn-capsule.lg{padding:16px 36px;font-size:16px}
.btn-capsule.xl{padding:18px 44px;font-size:17px}

/* ── 卡片 ────────────────────────────────── */
.card-glass{
  background:linear-gradient(145deg,rgba(255,255,255,.58),rgba(255,255,255,.34));
  backdrop-filter:blur(28px);-webkit-backdrop-filter:blur(28px);
  border:1px solid rgba(255,255,255,.72);
  border-radius:28px;
  box-shadow:0 22px 62px rgba(129,140,248,.12),0 8px 28px rgba(148,163,184,.10),inset 0 1px 0 rgba(255,255,255,.86);
  transition:all .3s ease-in-out;
  position:relative;overflow:hidden;
}
.card-glass:before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.30),transparent 38%,rgba(196,181,253,.10));pointer-events:none}
.card-glass>*{position:relative;z-index:1}
.card-glass:hover{
  transform:translateY(-7px);
  box-shadow:0 30px 80px rgba(129,140,248,.16),0 12px 36px rgba(148,163,184,.12);
  background:linear-gradient(145deg,rgba(255,255,255,.68),rgba(255,255,255,.42));
}

/* ── Nav ─────────────────────────────────── */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:0 32px;height:64px;
  display:flex;align-items:center;justify-content:space-between;
  background:rgba(248,250,252,.85);
  backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  border-bottom:1px solid rgba(255,255,255,.5);
  transition:all .3s ease-in-out;
}
.nav.scrolled{background:rgba(248,250,252,.7);box-shadow:0 4px 20px rgba(148,163,184,.08)}
.nav-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:#1E293B;text-decoration:none}
.nav-brand .logo{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(135deg,#A5B4FC,#C4B5FD);
  display:flex;align-items:center;justify-content:center;
  color:white;font-size:16px;font-weight:900;
}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links a{
  padding:8px 16px;border-radius:9999px;font-size:13px;font-weight:600;
  color:#64748B;text-decoration:none;transition:all .3s ease-in-out;
}
.nav-links a:hover{color:#1E293B;background:rgba(165,180,252,.08)}
.nav-links a.active{color:#6366F1;background:rgba(165,180,252,.1)}
.nav-actions{display:flex;gap:10px;align-items:center}

/* 汉堡菜单 */
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;border:0;background:none}
.hamburger span{display:block;width:20px;height:2px;background:#1E293B;border-radius:2px;transition:all .3s ease-in-out}
.mobile-menu{
  display:none;position:fixed;top:64px;left:0;right:0;bottom:0;z-index:99;
  background:rgba(248,250,252,.96);backdrop-filter:blur(24px);
  padding:24px;flex-direction:column;align-items:center;text-align:center;gap:4px;
}
.mobile-menu.open{display:flex}
.mobile-menu a{
  padding:14px 20px;border-radius:16px;font-size:15px;font-weight:600;
  color:#64748B;text-decoration:none;text-align:center;width:min(100%,320px);transition:all .3s ease-in-out;
}
.mobile-menu a:hover{background:rgba(165,180,252,.1);color:#1E293B}

/* ── Hero ─────────────────────────────────── */
.hero{
  min-height:760px;padding:104px 32px 44px;
  display:flex;align-items:center;position:relative;overflow:hidden;
background:transparent;
}
.hero:after{content:'';position:absolute;inset:0;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='.18'/%3E%3C/svg%3E");opacity:.035;mix-blend-mode:multiply}
.hero-deco{position:absolute;border-radius:50%;pointer-events:none;z-index:0;filter:blur(4px)}
.hero-deco.d1{width:560px;height:560px;background:radial-gradient(circle,rgba(196,181,253,.26),transparent 70%);top:-170px;right:4%}
.hero-deco.d2{width:520px;height:520px;background:radial-gradient(circle,rgba(125,211,252,.22),transparent 70%);bottom:-180px;left:8%}
.hero-deco.d3{width:360px;height:360px;background:radial-gradient(circle,rgba(244,114,182,.16),transparent 72%);top:34%;left:36%}
.hero-orb{position:absolute;border-radius:999px;pointer-events:none;background:linear-gradient(135deg,rgba(255,255,255,.75),rgba(165,180,252,.46),rgba(94,234,212,.28));box-shadow:inset 14px 18px 34px rgba(255,255,255,.6),0 24px 70px rgba(129,140,248,.22);z-index:1}
.hero-orb.orb-1{width:210px;height:210px;left:-62px;bottom:-56px;background:linear-gradient(135deg,rgba(255,214,232,.82),rgba(196,181,253,.42))}
.hero-orb.orb-2{width:72px;height:72px;right:40px;bottom:76px}
.hero-orb.orb-3{width:46px;height:46px;left:43%;bottom:104px;opacity:.72}
.hero-gridline{position:absolute;left:0;right:0;bottom:0;height:42%;background:linear-gradient(135deg,transparent 49.5%,rgba(99,102,241,.12) 50%,transparent 50.5%);background-size:86px 86px;opacity:.25;transform:perspective(520px) rotateX(58deg);transform-origin:bottom;pointer-events:none}
.hero-inner{width:min(1190px,100%);margin:0 auto;display:grid;grid-template-columns:minmax(0,1.02fr) minmax(450px,.98fr);gap:54px;align-items:center;position:relative;z-index:2}
.hero-content{padding-top:14px}
.hero-content h1{font-size:clamp(48px,6.2vw,86px);font-weight:900;line-height:1.08;color:#162033;margin-bottom:24px;letter-spacing:-.055em;text-shadow:0 12px 34px rgba(148,163,184,.18)}
.hero-content h1 span{display:inline-block;background:linear-gradient(120deg,#8b5cf6 5%,#6366f1 45%,#60a5fa 88%);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:none}
.hero-content .subtitle{font-size:20px;color:#64748B;line-height:1.75;margin-bottom:42px;max-width:620px;font-weight:500}

/* 提示词输入框 */
.prompt-box{height:108px;display:flex;align-items:center;gap:16px;border-radius:34px;overflow:hidden;padding:18px 18px 18px 26px;background:rgba(255,255,255,.64);backdrop-filter:blur(28px);-webkit-backdrop-filter:blur(28px);border:1px solid rgba(255,255,255,.74);box-shadow:0 22px 60px rgba(148,163,184,.16),inset 0 1px 0 rgba(255,255,255,.88);transition:all .3s ease-in-out}
.prompt-box:focus-within{border-color:rgba(165,180,252,.72);box-shadow:0 26px 76px rgba(129,140,248,.20),inset 0 1px 0 rgba(255,255,255,.92)}
.prompt-box>i{font-size:20px;color:#a78bfa;flex:0 0 auto}
.prompt-box input{flex:1;border:0;font-size:16px;outline:none;background:transparent;color:#1E293B;font-family:'Inter',sans-serif;min-width:0}
.prompt-box input::placeholder{color:#94A3B8}
.prompt-box button{align-self:stretch;padding:0 34px;border:0;border-radius:28px;cursor:pointer;font-weight:800;font-size:16px;background:linear-gradient(135deg,#f472b6 0%,#c084fc 48%,#60a5fa 100%);color:white;box-shadow:0 16px 34px rgba(168,85,247,.26);transition:all .3s ease-in-out;font-family:'Inter',sans-serif;white-space:nowrap}
.prompt-box button:hover{transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 20px 46px rgba(168,85,247,.32)}

/* 快捷标签 */
.quick-tags{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.quick-tags span{display:inline-flex;align-items:center;gap:8px;padding:14px 18px;border-radius:18px;font-size:14px;font-weight:700;background:rgba(255,255,255,.48);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);color:#475569;border:1px solid rgba(255,255,255,.62);box-shadow:0 14px 34px rgba(148,163,184,.10);cursor:pointer;transition:all .3s ease-in-out}
.quick-tags span i{color:#8b5cf6;font-size:16px}
.quick-tags span:hover{background:rgba(255,255,255,.78);transform:translateY(-3px);box-shadow:0 18px 42px rgba(129,140,248,.14)}

/* Hero 工作台 */
.hero-visual{position:relative;min-height:560px;display:flex;align-items:center;justify-content:center}
.studio-card{width:100%;max-width:548px;border-radius:34px;padding:28px;background:rgba(255,255,255,.48);backdrop-filter:blur(34px);-webkit-backdrop-filter:blur(34px);border:1px solid rgba(255,255,255,.72);box-shadow:0 34px 90px rgba(129,140,248,.18),0 12px 42px rgba(148,163,184,.12),inset 0 1px 0 rgba(255,255,255,.86);transform:rotate(1deg);position:relative;overflow:hidden}
.studio-card:before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.34),transparent 34%,rgba(196,181,253,.12));pointer-events:none}
.studio-card>*{position:relative;z-index:1}
.studio-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.studio-head strong{font-size:18px;color:#1E293B;display:flex;align-items:center;gap:10px}
.studio-head strong i{color:#a78bfa}
.studio-head button{border:0;border-radius:18px;padding:10px 14px;background:rgba(255,255,255,.58);color:#94A3B8;font-weight:700}
.studio-prompt{height:104px;border-radius:18px;background:rgba(255,255,255,.54);box-shadow:inset 0 2px 10px rgba(148,163,184,.05);border:1px solid rgba(255,255,255,.55);padding:20px;color:#94A3B8;position:relative;margin-bottom:20px}
.studio-prompt i{position:absolute;right:18px;top:42px;color:#a78bfa;font-size:20px}.studio-prompt small{position:absolute;right:18px;bottom:14px;color:#9aa7bb}
.studio-row{display:flex;align-items:center;gap:12px;margin:14px 0;color:#94A3B8;font-size:14px;flex-wrap:wrap}.studio-row b{width:34px;color:#94A3B8}.studio-row span{padding:10px 15px;border-radius:12px;background:rgba(255,255,255,.46);color:#8a96aa;font-weight:700}.studio-row span.active{color:#6366F1;background:rgba(255,255,255,.70);box-shadow:inset 0 0 0 1px rgba(129,140,248,.32)}.studio-row button{margin-left:auto;border:0;border-radius:999px;padding:14px 24px;background:linear-gradient(135deg,#f472b6,#c084fc 48%,#60a5fa);color:white;font-weight:800;box-shadow:0 14px 32px rgba(168,85,247,.25)}
.studio-progress{margin:24px 0 26px}.studio-progress div{display:flex;justify-content:space-between;color:#94A3B8;font-size:13px;margin-bottom:9px}.studio-progress b{color:#475569}.studio-progress i{display:block;height:9px;border-radius:999px;background:linear-gradient(90deg,#f0abfc,#8b5cf6,#60a5fa 78%,rgba(226,232,240,.65) 78%)}
.studio-gallery{display:grid;grid-template-columns:1fr 1fr;gap:12px}.studio-gallery img{width:100%;aspect-ratio:1.18/1;object-fit:cover;border-radius:16px;box-shadow:0 14px 30px rgba(148,163,184,.13)}
.float-card{position:absolute;z-index:3;display:flex;align-items:center;gap:14px;padding:16px 20px;border-radius:18px;background:rgba(255,255,255,.54);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid rgba(255,255,255,.65);box-shadow:0 20px 48px rgba(148,163,184,.14);transform:rotate(-4deg)}
.float-card i{width:34px;height:34px;border-radius:11px;display:flex;align-items:center;justify-content:center;color:white;background:linear-gradient(135deg,#5eead4,#a78bfa)}.float-card b{display:block;font-size:14px;color:#334155;margin-bottom:3px}.float-card span{font-size:12px;color:#94A3B8}.fc-1{left:0;bottom:120px}.fc-2{left:100px;bottom:28px;transform:rotate(-3deg)}.fc-3{left:245px;bottom:-64px;transform:rotate(-5deg)}

/* ── 通用 Section ─────────────────────────── */
.section{padding:82px 32px;position:relative;overflow:hidden;background:transparent}
.section:before{content:'';position:absolute;inset:20px 24px;border-radius:48px;background:linear-gradient(135deg,rgba(255,255,255,.20),rgba(255,255,255,.05));border:1px solid rgba(255,255,255,.28);pointer-events:none;opacity:.55}
.section-inner{max-width:1200px;margin:0 auto;position:relative;z-index:1}
.section-title{
  text-align:center;font-size:clamp(26px,3.5vw,40px);font-weight:800;
  color:#1E293B;margin-bottom:12px;letter-spacing:-.02em;
}
.section-sub{text-align:center;font-size:16px;color:#64748B;max-width:520px;margin:0 auto 48px;line-height:1.7}

/* ── 功能卡片 ─────────────────────────────── */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature-card{padding:32px 28px;text-align:left}
.feature-card .f-icon{
  width:48px;height:48px;border-radius:14px;margin-bottom:18px;
  display:flex;align-items:center;justify-content:center;font-size:20px;
  background:linear-gradient(135deg,rgba(165,180,252,.12),rgba(196,181,253,.12));
  color:#6366F1;
}
.feature-card h3{font-size:16px;font-weight:700;color:#1E293B;margin-bottom:8px}
.feature-card p{font-size:13px;color:#64748B;line-height:1.7}

/* ── 真实生成案例 ─────────────────────────────── */
.real-cases-grid{display:grid;grid-template-columns:1.15fr .9fr .9fr;gap:18px;align-items:stretch}
.real-case-card{position:relative;overflow:hidden;padding:14px;border-radius:28px;min-height:360px;display:flex;flex-direction:column;gap:14px}
.real-case-card:before{content:'';position:absolute;inset:-1px;border-radius:inherit;background:radial-gradient(circle at 18% 18%,rgba(255,158,203,.18),transparent 34%),radial-gradient(circle at 82% 18%,rgba(96,165,250,.16),transparent 32%),radial-gradient(circle at 50% 100%,rgba(167,139,250,.14),transparent 38%);pointer-events:none;z-index:0}
.real-case-card>*{position:relative;z-index:1}
.real-case-card.case-product{grid-row:span 2;min-height:560px}.real-case-card.case-wallpaper{grid-column:span 2}.real-case-card.case-xiaohongshu .real-case-shot,.real-case-card.case-avatar .real-case-shot{aspect-ratio:3/4}.real-case-card.case-wallpaper .real-case-shot{aspect-ratio:16/7}
.real-case-shot{position:relative;overflow:hidden;border-radius:22px;aspect-ratio:4/3;background:linear-gradient(135deg,rgba(255,255,255,.55),rgba(255,255,255,.22));border:1px solid rgba(255,255,255,.72);box-shadow:inset 0 1px 0 rgba(255,255,255,.82),0 18px 46px rgba(129,140,248,.12)}
.real-case-shot img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;z-index:2;transition:transform .55s ease}.real-case-card:hover .real-case-shot img{transform:scale(1.045)}
.case-fallback{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:8px;padding:24px;background:linear-gradient(135deg,rgba(255,158,203,.24),rgba(165,180,252,.2),rgba(125,211,252,.18));color:#334155}.case-fallback:before{content:'';position:absolute;width:170px;height:170px;border-radius:50%;background:rgba(255,255,255,.32);filter:blur(4px);transform:translate(-38px,-22px)}.case-fallback span{position:relative;font-size:22px;font-weight:900;letter-spacing:-.03em}.case-fallback small{position:relative;max-width:220px;font-size:12px;line-height:1.6;color:#64748b}
.real-case-body{padding:2px 4px 4px}.case-kicker{display:inline-flex;padding:5px 11px;border-radius:999px;background:rgba(255,255,255,.56);border:1px solid rgba(255,255,255,.7);font-size:11px;font-weight:800;color:#8b5cf6;margin-bottom:10px}.real-case-body h3{font-size:18px;font-weight:900;color:#1e293b;margin:0 0 8px;letter-spacing:-.02em}.real-case-body p{font-size:13px;line-height:1.75;color:#64748b;margin:0 0 12px}.case-tags{display:flex;gap:7px;flex-wrap:wrap}.case-tags em{font-style:normal;font-size:11px;color:#64748b;padding:6px 9px;border-radius:999px;background:rgba(255,255,255,.52);border:1px solid rgba(255,255,255,.68)}

/* ── 定价卡片 ─────────────────────────────── */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
.pricing-card{padding:36px 28px;text-align:center;position:relative}
.pricing-card.recommended{
  background:linear-gradient(145deg,rgba(255,255,255,.72),rgba(196,181,253,.24),rgba(125,211,252,.14));
  border:1px solid rgba(255,255,255,.82);
  transform:translateY(-8px);
  box-shadow:0 30px 90px rgba(129,140,248,.20),inset 0 1px 0 rgba(255,255,255,.9);
}
.pricing-card .badge-rec{
  position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  padding:4px 18px;border-radius:9999px;font-size:11px;font-weight:700;
  background:linear-gradient(135deg,#A5B4FC,#C4B5FD);color:white;
  box-shadow:0 4px 12px rgba(165,180,252,.3);
}
.pricing-card h3{font-size:18px;font-weight:700;color:#1E293B;margin-bottom:8px}
.pricing-card .price{font-size:40px;font-weight:800;color:#1E293B;margin:12px 0 4px}
.pricing-card .price span{font-size:14px;font-weight:500;color:#64748B}
.pricing-card .price-desc{font-size:13px;color:#64748B;margin-bottom:24px}
.pricing-card ul{list-style:none;margin-bottom:28px;text-align:left}
.pricing-card ul li{
  padding:8px 0;font-size:13px;color:#64748B;
  display:flex;align-items:center;gap:8px;
  border-bottom:1px solid rgba(148,163,184,.06);
}
.pricing-card ul li:last-child{border:0}
.pricing-card ul li i{color:#A5B4FC;font-size:12px;width:16px;text-align:center}

/* ── CTA ─────────────────────────────────── */
.cta{text-align:center;background:transparent}
.cta .section-inner{padding:54px 32px;border-radius:36px;background:linear-gradient(145deg,rgba(255,255,255,.62),rgba(255,255,255,.32));backdrop-filter:blur(28px);-webkit-backdrop-filter:blur(28px);border:1px solid rgba(255,255,255,.72);box-shadow:0 28px 78px rgba(129,140,248,.14),inset 0 1px 0 rgba(255,255,255,.86)}
.cta h2{font-size:clamp(26px,3.5vw,40px);font-weight:800;color:#1E293B;margin-bottom:12px;letter-spacing:-.02em}
.cta p{font-size:16px;color:#64748B;margin-bottom:32px}

/* ── Footer ──────────────────────────────── */
.footer{background:transparent;padding:0 32px 32px}
.footer .section-inner{padding:42px 36px 28px!important;border-radius:36px;background:linear-gradient(145deg,rgba(255,255,255,.54),rgba(255,255,255,.26));backdrop-filter:blur(28px);-webkit-backdrop-filter:blur(28px);border:1px solid rgba(255,255,255,.68);box-shadow:0 24px 70px rgba(129,140,248,.12),inset 0 1px 0 rgba(255,255,255,.82)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{font-size:13px;color:#64748B;line-height:1.7;margin-top:12px;max-width:280px}
.footer h4{font-size:13px;font-weight:700;color:#1E293B;margin-bottom:16px;text-transform:uppercase;letter-spacing:.05em}
.footer-links{list-style:none}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:13px;color:#64748B;text-decoration:none;transition:all .3s ease-in-out}
.footer-links a:hover{color:#6366F1}
.footer-bottom{
  margin-top:40px;padding-top:24px;
  border-top:1px solid rgba(148,163,184,.08);
  display:flex;justify-content:space-between;align-items:center;
  font-size:12px;color:#94A3B8;flex-wrap:wrap;gap:12px;
}
.footer-bottom a{color:#94A3B8;text-decoration:none;transition:all .3s ease-in-out}
.footer-bottom a:hover{color:#6366F1}

/* ── 滚动动画 ─────────────────────────────── */
.fade-up{opacity:0;transform:translateY(24px);transition:all .5s ease-in-out}
.fade-up.visible{opacity:1;transform:translateY(0)}
.fade-up.d1{transition-delay:.1s}
.fade-up.d2{transition-delay:.2s}
.fade-up.d3{transition-delay:.3s}
.fade-up.d4{transition-delay:.4s}
.fade-up.d5{transition-delay:.5s}

/* ── 响应式 ──────────────────────────────── */
@media(max-width:1024px){
  .hero{padding-top:92px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:-1;min-height:auto}
  .studio-card{max-width:620px;transform:none}
  .float-card{display:none}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .real-cases-grid{grid-template-columns:1fr 1fr}.real-case-card.case-product,.real-case-card.case-wallpaper{grid-column:span 2;grid-row:auto;min-height:auto}
  .pricing-grid{grid-template-columns:1fr;max-width:400px;margin:0 auto}
  .pricing-card.recommended{transform:none}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .nav{padding:0 16px;height:56px}
  .nav-links,.nav-actions{display:none}
  .hamburger{display:flex}
  .hero{padding:72px 16px 28px;min-height:auto}
  .hero-inner{gap:28px}
  .hero-content{text-align:center;padding-top:0}
  .hero-content h1{font-size:clamp(34px,10vw,54px);letter-spacing:-.04em;margin-bottom:16px}
  .hero-content .subtitle{font-size:15px;margin:0 auto 24px;max-width:360px}
  .prompt-box{height:auto;min-height:72px;border-radius:24px;padding:12px 12px 12px 16px;gap:10px}
  .prompt-box input{font-size:14px}
  .prompt-box button{align-self:center;padding:15px 18px;border-radius:20px;font-size:14px}
  .quick-tags{justify-content:center;gap:8px;margin-top:18px}
  .quick-tags span{padding:9px 12px;font-size:12px;border-radius:14px}
  .quick-tags span i{font-size:13px}
  .studio-card{padding:18px;border-radius:26px}
  .studio-head strong{font-size:15px}
  .studio-head button{font-size:12px;padding:8px 10px}
  .studio-prompt{height:82px;padding:16px;font-size:13px}
  .studio-row{gap:8px;font-size:12px}
  .studio-row b{width:100%;font-size:12px}
  .studio-row span{padding:8px 11px}
  .studio-row button{margin-left:0;width:100%;justify-content:center;padding:13px 18px}
  .studio-gallery{gap:8px}
  .studio-gallery img{border-radius:13px}
  .section{padding:52px 16px}
  .section-title{font-size:clamp(22px,5vw,30px)}
  .section-sub{font-size:14px;margin-bottom:32px}
  .features-grid{grid-template-columns:1fr;gap:12px}
  .feature-card{padding:24px 20px}
  .real-cases-grid{display:flex;overflow-x:auto;gap:14px;padding:4px 2px 12px;scroll-snap-type:x mandatory}.real-case-card{flex:0 0 82%;min-height:auto;scroll-snap-align:center}.real-case-card.case-product,.real-case-card.case-wallpaper{grid-column:auto}.real-case-card.case-wallpaper .real-case-shot{aspect-ratio:4/3}
  .pricing-card{padding:28px 20px}
  .footer{padding:0 16px 24px}
  .footer .section-inner{padding:34px 22px 24px!important}
  .footer-grid{grid-template-columns:1fr;gap:28px;text-align:center}
  .footer .nav-brand{justify-content:center}
  .footer-brand p{margin-left:auto;margin-right:auto}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media(max-width:480px){
  .hero-content h1{font-size:38px}
  .prompt-box{display:grid;grid-template-columns:auto 1fr;align-items:center}
  .prompt-box button{grid-column:1 / -1;width:100%}
  .studio-gallery{grid-template-columns:1fr 1fr}
  .real-case-card{flex-basis:88%}.real-case-body h3{font-size:16px}.case-fallback span{font-size:18px}
  .btn-capsule.lg{padding:14px 28px;font-size:14px}
  .btn-capsule.xl{padding:14px 32px;font-size:15px}
}

/* ── Mobile hero creative showcase ───────────────── */
.mobile-showcase{display:none}
@media(max-width:768px){
  .hero-visual{display:none}
  .mobile-showcase{display:block;position:relative;min-height:430px;margin:4px auto 4px;width:min(100%,390px);padding:18px;border-radius:34px;background:linear-gradient(145deg,rgba(255,255,255,.58),rgba(255,255,255,.28));backdrop-filter:blur(28px);-webkit-backdrop-filter:blur(28px);border:1px solid rgba(255,255,255,.76);box-shadow:0 28px 78px rgba(129,140,248,.16),inset 0 1px 0 rgba(255,255,255,.88);overflow:hidden;order:-1}
  .mobile-showcase:before{content:'';position:absolute;width:220px;height:220px;border-radius:50%;right:-70px;top:-70px;background:radial-gradient(circle,rgba(96,165,250,.28),transparent 70%)}
  .mobile-showcase:after{content:'';position:absolute;width:260px;height:260px;border-radius:50%;left:-90px;bottom:-96px;background:radial-gradient(circle,rgba(244,114,182,.24),transparent 70%)}
  .showcase-head{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
  .showcase-head span{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:900;color:#1e293b}.showcase-head span i{color:#a78bfa}.showcase-head b{font-size:11px;color:#8b5cf6;background:rgba(255,255,255,.58);border:1px solid rgba(255,255,255,.7);padding:7px 10px;border-radius:999px}
  .showcase-stack{position:relative;z-index:2;height:354px}
  .mobile-showcase figure{margin:0;overflow:hidden;background:rgba(255,255,255,.42);border:1px solid rgba(255,255,255,.68);box-shadow:0 18px 44px rgba(148,163,184,.16)}
  .mobile-showcase img{width:100%;height:100%;object-fit:cover;display:block}
  .shot-main{position:absolute;left:0;top:0;width:72%;height:254px;border-radius:28px;transform:rotate(-2deg)}
  .shot-main:after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(15,23,42,.35),transparent 55%);pointer-events:none}.shot-main figcaption{position:absolute;left:16px;right:16px;bottom:14px;color:white;z-index:2}.shot-main figcaption b{display:block;font-size:18px;margin-bottom:4px}.shot-main figcaption span{font-size:12px;opacity:.86}
  .shot-side{position:absolute;border-radius:24px}.shot-side.s1{right:0;top:34px;width:38%;height:142px;transform:rotate(5deg)}.shot-side.s2{right:18px;top:190px;width:45%;height:126px;transform:rotate(-3deg)}
  .idea-card{position:absolute;left:20px;right:14px;bottom:0;display:flex;align-items:center;gap:12px;padding:16px 18px;border-radius:22px;background:rgba(255,255,255,.62);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);border:1px solid rgba(255,255,255,.74);box-shadow:0 18px 46px rgba(129,140,248,.16)}
  .idea-card i{width:38px;height:38px;border-radius:14px;display:flex;align-items:center;justify-content:center;color:white;background:linear-gradient(135deg,#f472b6,#a78bfa,#60a5fa);flex:0 0 auto}.idea-card b{display:block;font-size:14px;color:#243044}.idea-card span{display:block;font-size:11px;color:#94a3b8;margin-top:3px}
}
@media(max-width:480px){.mobile-showcase{min-height:404px}.showcase-stack{height:328px}.shot-main{height:230px}.shot-side.s1{height:130px}.shot-side.s2{top:174px;height:116px}.idea-card{padding:14px 16px}}

/* v14 brand text macaron gradient */
.nav-brand{
  background:linear-gradient(135deg,#ff83bd 0%,#8ecbff 38%,#89e6c8 68%,#c7a8ff 100%);
  -webkit-background-clip:text;background-clip:text;
  color:transparent!important;-webkit-text-fill-color:transparent;
}
.nav-brand .logo{color:white!important;-webkit-text-fill-color:white;background:linear-gradient(135deg,#ff83bd,#8ecbff,#89e6c8,#c7a8ff)}

/* v16 marketing poster case: show full 1124×1405 image without cropping */
.real-case-card.case-icon .real-case-shot{aspect-ratio:1124/1405;background:linear-gradient(145deg,rgba(255,255,255,.50),rgba(255,236,246,.24),rgba(226,232,255,.18))}
.real-case-card.case-icon .real-case-shot img{object-fit:contain;padding:0;background:transparent}
.real-case-card.case-icon:hover .real-case-shot img{transform:none}
@media(max-width:980px){.real-case-card.case-icon .real-case-shot{aspect-ratio:1124/1405}}