/* ===== 产品页样式 ===== */
/* 主题色（默认蓝） */
.th-blue{--theme:#1677ff;--theme-d:#0e5fd8;--theme-l:#eaf2ff;--theme-rgb:22,119,255}
.th-gold{--theme:#d19b1f;--theme-d:#a87916;--theme-l:#fdf4e0;--theme-rgb:209,155,31}
.th-navy{--theme:#22457f;--theme-d:#0f2b5b;--theme-l:#e3ebf7;--theme-rgb:34,69,127}

/* 产品页头部（全屏沉浸式，跟随主题深色） */
.phero{position:relative;overflow:hidden;color:#fff;padding:110px 0 100px;min-height:calc(100vh - 70px);display:flex;align-items:center;
  background:radial-gradient(1100px 620px at 82% 12%, var(--hero-hi) 0%, rgba(0,0,0,0) 60%),
             radial-gradient(900px 520px at 6% 96%, var(--hero-hi2) 0%, rgba(0,0,0,0) 55%),
             linear-gradient(150deg,var(--hero-1) 0%, var(--hero-2) 52%, var(--hero-3) 100%)}
/* 主题深色底（默认蓝→深蓝） */
.th-blue{--hero-1:#062347;--hero-2:#0d3a7a;--hero-3:#082b5c;--hero-hi:#1d5fc4;--hero-hi2:#0e5fd8}
.th-gold{--hero-1:#241503;--hero-2:#4a2f06;--hero-3:#301d04;--hero-hi:#a87916;--hero-hi2:#7a5610}
.th-navy{--hero-1:#081a38;--hero-2:#123063;--hero-3:#0a2148;--hero-hi:#22457f;--hero-hi2:#1a3d78}
.phero .grid-lines{position:absolute;inset:0;opacity:.13;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:56px 56px;mask-image:radial-gradient(circle at 50% 40%,#000 0%,transparent 72%);-webkit-mask-image:radial-gradient(circle at 50% 40%,#000 0%,transparent 72%)}
.phero .pg{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;z-index:0}
.phero .g1{width:520px;height:520px;background:var(--hero-hi);top:-140px;right:-60px}
.phero .g2{width:420px;height:420px;background:var(--hero-hi2);bottom:-160px;left:-90px}
.phero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:60px;align-items:center;width:100%}
.ptag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);color:var(--hero-tag,#ffe0a0);font-size:14.5px;font-weight:600;padding:9px 20px;border-radius:999px;margin-bottom:24px;border:1px solid rgba(255,204,102,.32);backdrop-filter:blur(8px)}
.plogo{width:104px;height:104px;margin-bottom:22px;border-radius:26px;overflow:hidden;box-shadow:0 14px 40px rgba(0,0,0,.4);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12)}
.plogo img{width:100%;height:100%;object-fit:cover;display:block}
@media(max-width:960px){.plogo{width:84px;height:84px;border-radius:22px;margin-bottom:18px}}
.phero h1{font-size:clamp(38px,4.6vw,68px);line-height:1.14;font-weight:900;letter-spacing:-1.2px;color:#fff}
.psub{font-size:clamp(16px,1.5vw,20px);color:#c4d3ec;margin:26px 0 40px;max-width:580px;line-height:1.8}
.th-gold .psub{color:#e0cfa8}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.hero-cta .btn{padding:16px 34px;font-size:17px}
.pstats{display:flex;gap:50px;margin-top:52px}
.pstats .n{font-size:clamp(26px,2.6vw,38px);font-weight:900;color:#fff;line-height:1.1}
.pstats .n em{font-style:normal;color:var(--hero-tag,#ffcc66);font-size:.7em}
.th-gold .pstats .n em{color:#ffd873}
.pstats .l{font-size:14px;color:#9fb2d1;margin-top:5px}
.th-gold .pstats .l{color:#c9a96a}
.pvisual{display:flex;justify-content:center;position:relative;z-index:2}
@media(max-width:960px){.phero{padding:70px 0 60px;min-height:auto}.phero-grid{grid-template-columns:1fr;gap:40px}.pstats{gap:30px}}

/* 手机 mockup */
.phone{width:clamp(250px,23vw,320px);background:#fff;border-radius:40px;box-shadow:0 40px 90px rgba(20,60,120,.20),0 0 0 10px rgba(240,245,255,.9);overflow:hidden}
.phone .bar{height:28px;background:#f7f9fc;display:flex;align-items:center;justify-content:center}
.phone .bar i{width:56px;height:5px;border-radius:3px;background:#dbe3ee}
.phone .app-screen{padding:20px 18px 24px;background:linear-gradient(180deg,#f7faff,#fff)}
.app-top{font-size:15px;font-weight:800;color:#12161c;margin-bottom:15px}
.photo-row{display:flex;gap:10px}
.pcard{flex:1;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;text-align:center;box-shadow:0 8px 18px rgba(20,60,120,.07)}
.pcard img{width:100%;aspect-ratio:1/1.3;object-fit:cover;display:block}
.pcard span{display:block;font-size:12px;color:var(--gray);padding:7px 0}
.bg-row{display:flex;align-items:center;gap:11px;margin:18px 0}
.bg-dot{width:26px;height:26px;border-radius:50%;box-shadow:0 2px 8px rgba(0,0,0,.14)}
.bd-red{background:#e04b4b}.bd-blue{background:#2290e8}.bd-white{background:#fff;border:1px solid #dde3ec}
.bg-row em{font-style:normal;font-size:13px;color:var(--gray);margin-left:auto}
.app-btn{background:linear-gradient(135deg,#2a86ff,#0e5fd8);color:#fff;text-align:center;font-weight:700;font-size:15px;padding:14px;border-radius:14px;box-shadow:0 10px 22px rgba(22,119,255,.32)}

/* 功能网格 */
.feat{background:var(--bg)}
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.fcard{background:#fff;border:1px solid var(--line);border-radius:20px;padding:38px 32px;transition:.28s}
.fcard:hover{transform:translateY(-6px);box-shadow:0 24px 50px rgba(15,43,91,.10);border-color:var(--theme)}
.fcard .fi{width:66px;height:66px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:32px;margin-bottom:22px;background:var(--theme-l)}
.fcard h3{font-size:21px;font-weight:800;margin-bottom:12px;color:var(--navy)}
.fcard p{color:var(--gray);font-size:15.5px}
@media(max-width:900px){.fgrid{grid-template-columns:1fr}}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{text-align:center;padding:28px 18px}
.step .num{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:linear-gradient(135deg,var(--theme),var(--theme-d));color:#fff;font-weight:900;font-size:22px;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 22px rgba(var(--theme-rgb),.3)}
.step h4{font-size:17px;font-weight:800;margin-bottom:8px}
.step p{color:var(--gray);font-size:14.5px}
@media(max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}

/* 二维码区 */
.qrsec{background:#fff}
.qr-box{display:inline-flex;flex-direction:column;align-items:center;background:#fff;border:1px solid var(--line);border-radius:24px;padding:36px 44px;box-shadow:0 20px 50px rgba(15,43,91,.10)}
.qr-box .ph{width:190px;height:190px;border-radius:16px;background:repeating-conic-gradient(#eef3fb 0% 25%,#fff 0% 50%) 50%/22px 22px;display:flex;align-items:center;justify-content:center;color:#9fb0c8;font-size:13px;text-align:center;padding:10px;border:1px solid var(--line)}
.qr-box .t{margin-top:18px;font-weight:800;font-size:17px}
.qr-box .s{color:var(--gray);font-size:13.5px;margin-top:6px}

/* 返回条 */
.pback{text-align:center;padding:26px 0;background:#fff;border-top:1px solid var(--line)}
.pback a{color:var(--blue);font-weight:600;font-size:15px}
.pback a:hover{text-decoration:underline}