*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
:root{--ink:#0a0a0b;--paper:#f7f6f2;--gold:#b99855;--soft:#8a857c;--line:#e4e0d8}
html,body{height:100%;margin:0}
body{background:var(--paper);color:var(--ink);font:16px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",serif}
#app{height:100%;display:flex;flex-direction:column;max-width:720px;margin:0 auto;background:var(--paper)}
.view{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}
.tabs{display:flex;border-top:1px solid var(--line);background:#fff;padding-bottom:env(safe-area-inset-bottom)}
.tabs button{flex:1;background:none;border:none;padding:12px 0 14px;font-size:13px;color:var(--soft);letter-spacing:.08em;font-family:inherit}
.tabs button.active{color:var(--ink);font-weight:600}
.page{padding:0 20px 40px}

/* HERO */
.hero{position:relative;background:var(--ink);color:var(--paper);padding:64px 24px 72px;text-align:center;overflow:hidden}
.hero-ring{position:absolute;width:300px;height:300px;border:1px solid rgba(185,152,85,.35);border-radius:50%;left:50%;top:40%;transform:translate(-50%,-50%)}
.hero-ring::after{content:'';position:absolute;inset:24px;border:1px solid rgba(185,152,85,.18);border-radius:50%}
.hero-inner{position:relative;z-index:2}
.hero-logo{height:64px;width:auto;margin-bottom:18px}
.hero-brand{font-size:30px;letter-spacing:.18em;font-weight:600;font-family:Georgia,"Times New Roman",serif}
.hero-slogan{margin-top:14px;font-size:16px;color:var(--gold);letter-spacing:.12em}
.hero-desc{margin-top:16px;font-size:13px;color:rgba(247,246,242,.55);letter-spacing:.06em}
.hero-cta{display:inline-block;margin-top:28px;padding:12px 30px;border:1px solid var(--gold);color:var(--gold);border-radius:30px;font-size:14px;letter-spacing:.1em}

/* SECTION */
.section{margin-top:44px}
.eyebrow{font-size:11px;letter-spacing:.3em;color:var(--gold);text-transform:uppercase;font-family:Georgia,serif}
.section-title{margin-top:8px;font-size:24px;font-weight:600;font-family:Georgia,"Songti SC",serif;letter-spacing:.04em}
.section-sub{margin-top:6px;font-size:13px;color:var(--soft);letter-spacing:.16em}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;margin-top:18px}
.concept-quote{font-size:19px;line-height:1.5;font-family:Georgia,"Songti SC",serif}
.concept-text{margin-top:14px;font-size:14px;color:#4a463f;line-height:1.85}

/* FEATURES */
.features{margin-top:18px;display:flex;flex-direction:column;gap:14px}
.feature{border-top:1px solid var(--line);padding-top:16px}
.feature-no{font-size:11px;color:var(--gold);letter-spacing:.2em;font-family:Georgia,serif}
.feature-title{font-size:17px;font-weight:600;margin-top:4px}
.feature-desc{font-size:13px;color:var(--soft);margin-top:4px;line-height:1.7}

/* SCENES */
.scenes{margin-top:18px;display:flex;flex-direction:column;gap:16px}
.scene{display:flex;gap:12px;align-items:flex-start}
.scene-dot{width:5px;height:5px;border-radius:50%;background:var(--gold);margin-top:9px;flex:none}
.scene-title{font-size:15px;font-weight:600}
.scene-desc{font-size:13px;color:var(--soft);margin-top:2px}

/* NEWS */
.news-item{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid #f2efe9}
.news-item:last-child{border-bottom:none}
.news-title{font-size:14px;line-height:1.5}
.news-date{font-size:12px;color:var(--soft);flex:none;font-family:Georgia,serif}

/* QUICK */
.quick{margin-top:36px;display:flex;justify-content:space-between;text-align:center}
.quick-item{flex:1;font-size:12px;color:var(--soft);letter-spacing:.06em}
.quick-ico{font-size:18px;color:var(--gold);margin-bottom:6px}

/* PRODUCT */
.prod-hero{background:var(--ink);color:var(--paper);padding:56px 24px;text-align:center;margin:0 -20px}
.prod-badge{display:inline-block;padding:4px 14px;border:1px solid var(--gold);color:var(--gold);border-radius:20px;font-size:11px;letter-spacing:.16em}
.prod-name{font-size:44px;letter-spacing:.1em;margin-top:18px;font-family:Georgia,serif}
.prod-sub{font-size:16px;margin-top:8px;letter-spacing:.2em}
.prod-line{font-size:12px;color:rgba(247,246,242,.55);margin-top:14px;letter-spacing:.1em}
.hl-grid{margin-top:22px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.hl{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 10px;text-align:center}
.hl-t{font-size:14px;font-weight:600}
.hl-d{font-size:11px;color:var(--soft);margin-top:6px;line-height:1.5}
.spec-row{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid #f2efe9;font-size:14px}
.spec-row:last-child{border-bottom:none}
.spec-k{color:var(--soft)}
.spec-v{font-weight:600;text-align:right;max-width:60%}
.btn{display:block;width:100%;height:48px;border:none;border-radius:24px;background:var(--ink);color:var(--paper);font-size:15px;letter-spacing:.1em;font-family:inherit;margin-top:28px}
.footer-note{text-align:center;font-size:12px;color:var(--soft);margin-top:30px;letter-spacing:.1em}

/* CHAT */
.chat-wrap{height:100%;display:flex;flex-direction:column}
.chat-hd{display:flex;align-items:center;gap:10px;padding:14px 20px;background:var(--ink);color:var(--paper)}
.chat-hd .logo{width:34px;height:34px;border-radius:50%;background:var(--gold);color:var(--ink);display:flex;align-items:center;justify-content:center;font-weight:700}
.chat-hd .name{font-weight:600;line-height:1.1}
.chat-hd .name small{display:block;font-size:11px;opacity:.6;font-weight:400}
.chat-hd .status{margin-left:auto;font-size:12px;opacity:.7}
.chat-list{flex:1;overflow-y:auto;padding:18px 16px;display:flex;flex-direction:column;gap:12px}
.msg{max-width:82%;padding:11px 15px;border-radius:16px;white-space:pre-wrap;word-break:break-word;font-size:15px}
.msg.user{align-self:flex-end;background:var(--ink);color:var(--paper);border-bottom-right-radius:4px}
.msg.ai{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}
.msg.sys{align-self:center;background:transparent;color:var(--soft);font-size:12px}
.composer{display:flex;gap:8px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#fff;align-items:center}
.composer input{flex:1;height:44px;border:1px solid #ddd8cf;border-radius:22px;padding:0 18px;font-size:16px;outline:none;background:#faf9f6;font-family:inherit}
.composer input:focus{border-color:var(--gold)}
.btn-round{height:44px;width:44px;border-radius:50%;border:none;background:#faf9f6;border:1px solid #ddd8cf;font-size:18px}
.btn-round.rec{background:var(--gold);border-color:var(--gold)}
.btn-send{height:44px;padding:0 20px;border:none;border-radius:22px;background:var(--ink);color:var(--paper);font-size:15px;font-family:inherit}
.btn-send:disabled{opacity:.5}

/* ME */
.me-row{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px solid #f2efe9;font-size:15px}
.me-row:last-child{border-bottom:none}
.me-k{color:var(--soft)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.chip{padding:8px 16px;border-radius:20px;background:#faf9f6;border:1px solid #ddd8cf;font-size:14px;color:var(--ink);font-family:inherit}
.chip.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.empty{text-align:center;color:var(--soft);padding:36px 16px;font-size:14px}
.muted{color:var(--soft);font-size:13px}
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:10px 18px;border-radius:20px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:99}
.toast.show{opacity:.92}
input[type=text]{font-size:16px}