*{margin:0;padding:0;box-sizing:border-box}
:root{
  --c1:#4b2ad1; --c2:#7b3fe4; --c3:#ff5b8c; --c4:#00c9b7; --c5:#ffb020;
  --ink:#141227; --ink2:#3d3a55; --muted:#6e6a86; --line:#e9e7f3;
  --bg:#f7f6fc; --card:#ffffff; --grad:linear-gradient(120deg,#4b2ad1 0%,#7b3fe4 40%,#ff5b8c 100%);
  --grad2:linear-gradient(135deg,#00c9b7,#4b2ad1);
  --shadow:0 10px 30px rgba(75,42,209,.10);
  --shadow2:0 18px 50px rgba(75,42,209,.20);
  --radius:18px;
}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 22px}
.section{padding:88px 0}
.section-head{text-align:center;max-width:760px;margin:0 auto 52px}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:2px;color:var(--c1);background:rgba(75,42,209,.08);padding:6px 16px;border-radius:999px;margin-bottom:16px}
.section-head h2{font-size:34px;line-height:1.3;font-weight:800;letter-spacing:.5px}
.section-head p{color:var(--muted);margin-top:14px;font-size:16px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ===== NAV ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.82);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:.3s}
.nav.scrolled{border-bottom-color:var(--line);box-shadow:0 4px 24px rgba(20,18,39,.06)}
.nav-inner{max-width:1280px;margin:0 auto;padding:0 22px;height:70px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.ai-page-logo{max-width:100%;height:auto;width:auto;max-height:44px;object-fit:contain}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:18px;font-weight:800}
.brand-text span{font-size:11px;color:var(--muted);letter-spacing:1px}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.nav-links a{font-size:15px;font-weight:500;color:var(--ink2);padding:10px 14px;border-radius:10px;transition:.25s;white-space:nowrap}
.nav-links a:hover{color:var(--c1);background:rgba(75,42,209,.07)}
.nav-cta{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;padding:12px 26px;border-radius:12px;border:none;cursor:pointer;transition:.28s;font-family:inherit}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(75,42,209,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(75,42,209,.42)}
.btn-ghost{background:#fff;color:var(--c1);border:1.5px solid rgba(75,42,209,.28)}
.btn-ghost:hover{background:rgba(75,42,209,.06);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.menu-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== HERO ===== */
.hero{position:relative;padding:150px 0 96px;overflow:hidden;background:linear-gradient(160deg,#120a33 0%,#2a1560 48%,#3d1b6b 100%);color:#fff}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(circle at 12% 18%,rgba(123,63,228,.55),transparent 46%),
  radial-gradient(circle at 88% 12%,rgba(255,91,140,.42),transparent 44%),
  radial-gradient(circle at 78% 92%,rgba(0,201,183,.35),transparent 46%);pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:56px 56px;pointer-events:none;mask-image:radial-gradient(circle at 50% 40%,#000 30%,transparent 78%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:9px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:7px 16px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.5px;margin-bottom:22px}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:var(--c4);box-shadow:0 0 0 0 rgba(0,201,183,.7);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(0,201,183,.6)}70%{box-shadow:0 0 0 10px rgba(0,201,183,0)}100%{box-shadow:0 0 0 0 rgba(0,201,183,0)}}
.hero h1{font-size:50px;line-height:1.16;font-weight:900;letter-spacing:1px;margin-bottom:22px}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,#ffd76e,#ff5b8c 45%,#8ce7ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;color:rgba(255,255,255,.82);max-width:560px;margin-bottom:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.hero-tags span{font-size:13px;padding:7px 15px;border-radius:999px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.9)}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px}
.btn-hero{background:#fff;color:#2a1560;box-shadow:0 14px 34px rgba(0,0,0,.28);font-size:16px;padding:15px 34px}
.btn-hero:hover{transform:translateY(-3px);box-shadow:0 20px 44px rgba(0,0,0,.36)}
.btn-hero-out{background:rgba(255,255,255,.08);color:#fff;border:1.5px solid rgba(255,255,255,.34);font-size:16px;padding:15px 30px}
.btn-hero-out:hover{background:rgba(255,255,255,.16);transform:translateY(-3px)}
.hero-panel{display:grid;gap:16px}
.hero-stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:16px;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;backdrop-filter:blur(8px);transition:.3s}
.hero-stat:hover{transform:translateX(6px);background:rgba(255,255,255,.13)}
.hero-stat b{font-size:28px;font-weight:900;background:linear-gradient(100deg,#ffd76e,#ff8fb0);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stat span{font-size:14px;color:rgba(255,255,255,.78);text-align:right;max-width:150px;line-height:1.4}
.hero-mini{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hero-mini div{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:16px;font-size:13px;color:rgba(255,255,255,.86)}
.hero-mini div b{display:block;font-size:15px;color:#fff;margin-bottom:4px}

/* ===== STATS BAND ===== */
.stats-band{position:relative;z-index:3;margin-top:-46px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{background:var(--card);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);text-align:center;transition:.32s;border:1px solid var(--line)}
.stat-card:hover{transform:translateY(-8px);box-shadow:var(--shadow2)}
.stat-card b{display:block;font-size:38px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.stat-card span{font-size:14px;color:var(--muted);font-weight:500}

/* ===== CARDS ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.card{background:var(--card);border-radius:var(--radius);padding:30px;border:1px solid var(--line);box-shadow:var(--shadow);transition:.32s;position:relative;overflow:hidden}
.card::after{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);opacity:0;transition:.32s}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow2);border-color:transparent}
.card:hover::after{opacity:1}
.card-icon{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px;background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(75,42,209,.28)}
.card-icon.alt{background:var(--grad2)}
.card-icon.alt2{background:linear-gradient(135deg,#ff5b8c,#ffb020)}
.card h3{font-size:19px;font-weight:800;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted);line-height:1.75}

/* ===== ABOUT ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.about-text h2{font-size:32px;font-weight:900;line-height:1.3;margin-bottom:18px}
.about-text p{color:var(--ink2);margin-bottom:16px;font-size:15.5px}
.about-points{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px}
.about-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink2);background:rgba(75,42,209,.05);padding:12px 14px;border-radius:12px}
.about-points li b{color:var(--c1)}
.about-visual{position:relative}
.about-visual img{border-radius:20px;box-shadow:var(--shadow2);width:100%;object-fit:cover}
.about-media{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.about-media img{border-radius:16px;box-shadow:var(--shadow);width:100%;height:100%;object-fit:cover;transition:.32s}
.about-media img:hover{transform:scale(1.03)}
.about-media .tall{grid-row:span 2}

/* ===== SERVICES ===== */
.services{background:linear-gradient(180deg,#fff, #f3f0fb)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:20px}
.tag-cloud a{font-size:14px;padding:9px 18px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink2);transition:.28s;box-shadow:0 2px 8px rgba(75,42,209,.05)}
.tag-cloud a:hover{background:var(--grad);color:#fff;border-color:transparent;transform:translateY(-3px);box-shadow:0 10px 22px rgba(75,42,209,.28)}

/* ===== FLOW ===== */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:step}
.flow-step{background:#fff;border-radius:16px;padding:28px 22px;border:1px solid var(--line);position:relative;transition:.32s;box-shadow:var(--shadow)}
.flow-step:hover{transform:translateY(-6px);box-shadow:var(--shadow2)}
.flow-step .num{font-size:13px;font-weight:800;color:#fff;width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--grad);margin-bottom:16px}
.flow-step h3{font-size:16px;font-weight:800;margin-bottom:8px}
.flow-step p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ===== TABLE ===== */
.table-wrap{overflow-x:auto;border-radius:16px;box-shadow:var(--shadow);border:1px solid var(--line);background:#fff}
table{width:100%;border-collapse:collapse;min-width:760px}
th,td{padding:16px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
th{background:linear-gradient(120deg,#f4f1fd,#fdf0f5);font-weight:800;color:var(--ink);font-size:14px}
td{color:var(--ink2)}
tr:last-child td{border-bottom:none}
tbody tr{transition:.24s}
tbody tr:hover{background:rgba(75,42,209,.04)}
.badge-best{display:inline-block;font-size:12px;font-weight:800;padding:4px 12px;border-radius:999px;background:var(--grad);color:#fff}
.score-big{font-size:44px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.stars{color:#ffb020;font-size:22px;letter-spacing:2px}

/* ===== REVIEW CARDS ===== */
.review-card{background:#fff;border-radius:var(--radius);padding:28px;border:1px solid var(--line);box-shadow:var(--shadow);transition:.32s}
.review-card:hover{transform:translateY(-8px);box-shadow:var(--shadow2)}
.review-top{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.avatar{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:18px;flex-shrink:0;background:var(--grad)}
.avatar.a2{background:linear-gradient(135deg,#00c9b7,#4b2ad1)}
.avatar.a3{background:linear-gradient(135deg,#ff5b8c,#ffb020)}
.avatar.a4{background:linear-gradient(135deg,#7b3fe4,#00c9b7)}
.avatar.a5{background:linear-gradient(135deg,#ffb020,#ff5b8c)}
.avatar.a6{background:linear-gradient(135deg,#4b2ad1,#ff5b8c)}
.review-top b{display:block;font-size:15.5px}
.review-top span{font-size:13px;color:var(--muted)}
.review-stars{color:#ffb020;margin-bottom:10px;font-size:15px;letter-spacing:1px}
.review-card p{font-size:14.5px;color:var(--ink2);line-height:1.78}

/* ===== CASE ===== */
.case-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);transition:.32s}
.case-card:hover{transform:translateY(-8px);box-shadow:var(--shadow2)}
.case-card img{width:100%;height:220px;object-fit:cover;transition:.5s}
.case-card:hover img{transform:scale(1.06)}
.case-body{padding:24px}
.case-body .k{font-size:12px;font-weight:700;color:var(--c3);letter-spacing:1px;margin-bottom:8px}
.case-body h3{font-size:18px;font-weight:800;margin-bottom:10px}
.case-body p{font-size:14px;color:var(--muted)}

/* ===== TIMELINE ===== */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:10px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--c1),var(--c3))}
.tl-item{position:relative;padding-bottom:30px}
.tl-item::before{content:"";position:absolute;left:-30px;top:5px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--c1);box-shadow:0 0 0 4px rgba(75,42,209,.12)}
.tl-item h3{font-size:16.5px;font-weight:800;margin-bottom:6px}
.tl-item p{font-size:14px;color:var(--muted)}

/* ===== PRICE ===== */
.price-card{background:#fff;border-radius:var(--radius);padding:32px;border:1px solid var(--line);box-shadow:var(--shadow);transition:.32s;position:relative}
.price-card:hover{transform:translateY(-8px);box-shadow:var(--shadow2)}
.price-card.featured{border:2px solid var(--c1);background:linear-gradient(180deg,#fbf9ff,#fff)}
.price-card .plan{font-size:14px;font-weight:700;color:var(--c1);letter-spacing:1px;margin-bottom:8px}
.price-card .amount{font-size:40px;font-weight:900;line-height:1.1;margin-bottom:6px}
.price-card .amount small{font-size:15px;font-weight:600;color:var(--muted)}
.price-card .desc{font-size:13.5px;color:var(--muted);margin-bottom:20px}
.price-card ul{margin-bottom:24px}
.price-card li{font-size:14px;color:var(--ink2);padding:8px 0;display:flex;gap:9px;align-items:flex-start;border-bottom:1px dashed var(--line)}
.price-card li::before{content:"✓";color:var(--c4);font-weight:900;flex-shrink:0}
.price-card .btn{width:100%}

/* ===== NETWORK ===== */
.net-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.net-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;text-align:center;transition:.3s;box-shadow:0 4px 14px rgba(75,42,209,.05)}
.net-item:hover{transform:translateY(-6px);box-shadow:var(--shadow2);border-color:transparent}
.net-item b{display:block;font-size:17px;font-weight:800;margin-bottom:6px}
.net-item span{font-size:13.5px;color:var(--muted)}

/* ===== FAQ ===== */
.faq-list{max-width:880px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.3s;box-shadow:0 4px 14px rgba(75,42,209,.05)}
.faq-item.open{border-color:rgba(75,42,209,.4);box-shadow:var(--shadow)}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;cursor:pointer;font-size:16px;font-weight:700;user-select:none;transition:.24s}
.faq-q:hover{color:var(--c1)}
.faq-q .ic{width:26px;height:26px;border-radius:50%;background:rgba(75,42,209,.08);color:var(--c1);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;transition:.3s;font-weight:400}
.faq-item.open .ic{background:var(--grad);color:#fff;transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 24px}
.faq-a p{padding-bottom:22px;font-size:14.5px;color:var(--muted);line-height:1.8}

/* ===== ARTICLE ===== */
.art-card{background:#fff;border-radius:16px;padding:26px;border:1px solid var(--line);box-shadow:var(--shadow);transition:.32s;display:block}
.art-card:hover{transform:translateY(-6px);box-shadow:var(--shadow2)}
.art-card .k{font-size:12px;font-weight:700;color:var(--c1);background:rgba(75,42,209,.08);display:inline-block;padding:4px 12px;border-radius:999px;margin-bottom:12px}
.art-card h3{font-size:17px;font-weight:800;margin-bottom:10px;line-height:1.5}
.art-card p{font-size:14px;color:var(--muted)}
.art-card .more{margin-top:16px;font-size:13.5px;font-weight:700;color:var(--c1)}

/* ===== FORM ===== */
.form-wrap{background:#fff;border-radius:22px;padding:44px;box-shadow:var(--shadow2);border:1px solid var(--line)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:14px;font-weight:700;color:var(--ink2)}
.form-field input,.form-field select,.form-field textarea{width:100%;padding:13px 16px;border-radius:11px;border:1.5px solid var(--line);font-size:15px;font-family:inherit;color:var(--ink);background:#fbfaff;transition:.24s;outline:none}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--c1);background:#fff;box-shadow:0 0 0 4px rgba(75,42,209,.1)}
.form-field textarea{resize:vertical;min-height:130px}
.form-note{font-size:13px;color:var(--muted);margin-top:16px;text-align:center}

/* ===== CONTACT ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-card{background:#fff;border-radius:20px;padding:36px;border:1px solid var(--line);box-shadow:var(--shadow)}
.contact-item{display:flex;gap:16px;padding:16px 0;border-bottom:1px dashed var(--line);align-items:flex-start}
.contact-item:last-child{border-bottom:none}
.contact-ic{width:44px;height:44px;border-radius:12px;background:rgba(75,42,209,.08);color:var(--c1);display:flex;align-items:center;justify-content:center;font-size:19px;flex-shrink:0}
.contact-item b{display:block;font-size:14px;color:var(--muted);font-weight:500;margin-bottom:2px}
.contact-item span,.contact-item a{font-size:15.5px;font-weight:700;color:var(--ink);word-break:break-all}
.contact-item a:hover{color:var(--c1)}
.qr-box{text-align:center;padding:24px;background:#fbfaff;border-radius:16px;border:1px dashed rgba(75,42,209,.25);margin-top:8px}
.qr-box img{max-width:180px;margin:0 auto 12px;border-radius:12px}
.qr-box p{font-size:13.5px;color:var(--muted)}

/* ===== PARTNER ===== */
.partner{background:linear-gradient(140deg,#120a33,#2a1560 55%,#3d1b6b);color:#fff;border-radius:26px;padding:60px;position:relative;overflow:hidden}
.partner::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 88% 20%,rgba(255,91,140,.35),transparent 44%),radial-gradient(circle at 8% 88%,rgba(0,201,183,.3),transparent 44%)}
.partner-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:center}
.partner h2{font-size:32px;font-weight:900;margin-bottom:16px}
.partner p{color:rgba(255,255,255,.8);font-size:15.5px;margin-bottom:22px}
.partner ul{display:grid;gap:12px;margin-bottom:28px}
.partner li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.9)}
.partner li::before{content:"◆";color:#ffd76e;flex-shrink:0}
.partner-side{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:18px;padding:28px;text-align:center}
.partner-side b{display:block;font-size:32px;font-weight:900;background:linear-gradient(100deg,#ffd76e,#ff8fb0);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:6px}
.partner-side span{font-size:13.5px;color:rgba(255,255,255,.78)}

/* ===== BANNER IMAGES ===== */
.banner-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.ai-page-image{width:100%;border-radius:16px;box-shadow:var(--shadow);object-fit:cover;transition:.4s}
.ai-page-image:hover{transform:scale(1.02);box-shadow:var(--shadow2)}

/* ===== FOOTER ===== */
footer{background:#120a33;color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;margin-bottom:44px}
.foot-brand .ai-page-logo{max-height:42px;margin-bottom:16px;filter:brightness(0) invert(1)}
.foot-brand p{font-size:13.5px;line-height:1.8;max-width:300px}
.foot-col h4{font-size:15px;color:#fff;font-weight:800;margin-bottom:16px}
.foot-col a,.foot-col span{display:block;font-size:13.5px;padding:5px 0;transition:.24s;word-break:break-all}
.foot-col a:hover{color:#ffd76e}
.foot-links{display:flex;flex-wrap:wrap;gap:10px 18px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,.55)}
.foot-bottom a:hover{color:#fff}

/* ===== FLOAT ===== */
.float-bar{position:fixed;right:20px;bottom:32px;z-index:900;display:flex;flex-direction:column;gap:12px}
.float-btn{width:52px;height:52px;border-radius:14px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 10px 26px rgba(75,42,209,.4);cursor:pointer;transition:.3s;border:none}
.float-btn:hover{transform:translateY(-4px) scale(1.06);box-shadow:0 16px 34px rgba(75,42,209,.5)}
.float-btn.wechat{background:linear-gradient(135deg,#22c55e,#00c9b7)}
.float-pop{position:absolute;right:64px;bottom:0;background:#fff;border-radius:14px;padding:14px;box-shadow:var(--shadow2);display:none;width:190px}
.float-pop.show{display:block;animation:fadeUp .3s ease}
.float-pop img{width:100%;border-radius:8px;margin-bottom:8px}
.float-pop p{font-size:12.5px;color:var(--muted);text-align:center}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
#backTop{opacity:0;pointer-events:none}
#backTop.show{opacity:1;pointer-events:auto}

/* ===== REVEAL ===== */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ===== RESPONSIVE ===== */
@media(max-width:1100px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:42px}
  .flow{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .net-grid{grid-template-columns:repeat(2,1fr)}
  .partner-inner{grid-template-columns:1fr}
}
@media(max-width:900px){
  .nav-links{position:fixed;top:70px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:16px;gap:4px;box-shadow:0 18px 40px rgba(20,18,39,.12);max-height:0;overflow:hidden;transition:max-height .4s ease;border-bottom:1px solid var(--line)}
  .nav-links.open{max-height:560px;overflow-y:auto}
  .nav-links a{padding:13px 16px;font-size:15.5px}
  .nav-cta .btn{display:none}
  .menu-toggle{display:flex}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr 1fr}
  .about-grid{grid-template-columns:1fr;gap:34px}
  .contact-grid{grid-template-columns:1fr}
  .hero h1{font-size:36px}
  .section{padding:64px 0}
  .section-head h2{font-size:27px}
  .partner{padding:38px 26px}
}
@media(max-width:640px){
  .container{padding:0 16px}
  .nav-inner{height:62px;padding:0 16px}
  .brand-text b{font-size:16px}
  .nav-links{top:62px}
  .hero{padding:112px 0 72px}
  .hero h1{font-size:29px;letter-spacing:.5px}
  .hero-sub{font-size:15px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .hero-mini{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:12px}
  .stat-card b{font-size:28px}
  .grid-3,.grid-2,.net-grid,.banner-strip,.form-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .about-points{grid-template-columns:1fr}
  .about-media{grid-template-columns:1fr 1fr}
  .section-head h2{font-size:24px}
  .form-wrap{padding:26px 18px}
  .contact-card{padding:24px 18px}
  .price-card{padding:26px 20px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a{padding:0 18px}
  .float-bar{right:14px;bottom:20px}
  .float-btn{width:46px;height:46px}
  .float-pop{width:160px;right:56px}
  .case-card img{height:190px}
  .section{padding:52px 0}
}