:root {
    --ink: #0C1614;
    --ink-2: #13211E;
    --ink-3: #1C2E2A;
    --ivory: #F1EBDF;
    --ivory-2: #E7DFD0;
    --paper: #F7F3EB;
    --saffron: #E3A444;
    --saffron-2: #F2C27A;
    --verdigris: #5FA595;
    --oxblood: #9A3B3F;
    --muted-d: rgba(241, 235, 223, .62);
    --muted-l: #5A635E;
    --line-d: rgba(241, 235, 223, .12);
    --line-l: rgba(12, 22, 20, .12);
    --serif: 'Instrument Serif', 'Times New Roman', serif;
    --sans: 'Geist', system-ui, -apple-system, sans-serif;
    --mono: 'Geist Mono', ui-monospace, monospace;
    --ease: cubic-bezier(.2, .8, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--sans);
    background: var(--ink);
    color: var(--ivory);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    padding-bottom: 96px;
}
img { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
em { font-style: italic; color: var(--saffron); }
.wrap { width: min(1180px, 100% - 40px); margin: 0 auto; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; gap: 12px;
    padding: 16px 26px; border-radius: 999px;
    font-weight: 500; font-size: 16px; letter-spacing: .01em;
    transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .35s;
    position: relative; overflow: hidden; white-space: nowrap;
}
.btn-ico { width: 22px; height: 22px; flex: none; }
.btn-primary {
    background: linear-gradient(135deg, var(--saffron-2), var(--saffron) 55%, #C98A2C);
    color: var(--ink);
    box-shadow: 0 10px 30px -10px rgba(227, 164, 68, .7), inset 0 1px 0 rgba(255,255,255,.45);
}
.btn-primary::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.55) 50%, transparent 70%);
    transform: translateX(-120%); animation: shine 3.6s var(--ease) infinite;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -10px rgba(227, 164, 68, .85); }
.btn-ghost { border: 1px solid var(--line-d); padding: 10px 18px; font-size: 14px; color: var(--ivory); }
.btn-ghost:hover { border-color: var(--saffron); color: var(--saffron-2); }
.btn-ghost .btn-ico { width: 18px; height: 18px; }
@keyframes shine { 0%, 55% { transform: translateX(-120%); } 100% { transform: translateX(120%); } }

/* ---------- Nav ---------- */
.nav {
    position: absolute; top: 0; left: 0; right: 0; z-index: 20;
    display: flex; justify-content: space-between; align-items: center;
    padding: 22px clamp(20px, 4vw, 56px);
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--ivory); text-decoration: none; }
.brand-mark {
    width: 38px; height: 38px; display: grid; place-items: center;
    border: 1px solid var(--saffron); color: var(--saffron); border-radius: 50%; font-size: 15px;
}
.brand-name { font-family: var(--serif); font-size: 24px; line-height: 1; display: flex; flex-direction: column; }
.brand-name em { font-family: var(--mono); font-style: normal; font-size: 10px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted-d); margin-top: 4px; }

/* ---------- Hero ---------- */
.hero {
    position: relative; min-height: min(100vh, 960px);
    display: flex; flex-direction: column; justify-content: center;
    padding: 120px 0 110px;
    background:
        radial-gradient(900px 600px at 80% 30%, rgba(95,165,149,.16), transparent 60%),
        radial-gradient(700px 500px at 10% 90%, rgba(227,164,68,.10), transparent 60%),
        var(--ink);
    overflow: hidden;
}
/* 收窄：内容收进 1120px 居中容器，不再铺满全屏 */
.hero-inner {
    width: min(1120px, 100% - 40px); margin: 0 auto;
    display: grid; grid-template-columns: 1fr .92fr; align-items: center;
    gap: clamp(32px, 4vw, 64px);
    position: relative; z-index: 2;
}
.hero::before { /* grid lines, like chart paper */
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background-image: linear-gradient(var(--line-d) 1px, transparent 1px), linear-gradient(90deg, var(--line-d) 1px, transparent 1px);
    background-size: 80px 80px; opacity: .35;
    mask-image: radial-gradient(ellipse at 60% 40%, #000 20%, transparent 75%);
}
.hero-grain {
    position: absolute; inset: 0; pointer-events: none; opacity: .08; mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.hero-copy { position: relative; z-index: 2; max-width: 560px; }
.eyebrow {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--mono); font-size: 12px; letter-spacing: .16em; text-transform: uppercase;
    color: var(--saffron-2); padding: 8px 14px; border: 1px solid rgba(227,164,68,.35); border-radius: 999px;
}
.eyebrow i { font-size: 8px; animation: pulse 1.8s infinite; }
@keyframes pulse { 50% { opacity: .2; } }
.hero-title {
    font-family: var(--serif); font-weight: 400;
    font-size: clamp(52px, 7.4vw, 112px); line-height: .92; letter-spacing: -.02em;
    margin: 28px 0 24px;
}
.hero-sub { font-size: clamp(16px, 1.3vw, 19px); color: var(--muted-d); max-width: 500px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 24px; margin-top: 36px; }
.hero-note { font-family: var(--mono); font-size: 12px; color: var(--muted-d); letter-spacing: .06em; }
.hero-note i { color: var(--verdigris); margin-right: 6px; }
.hero-stats { list-style: none; display: flex; gap: 36px; margin-top: 52px; padding-top: 24px; border-top: 1px solid var(--line-d); }
.hero-stats strong { font-family: var(--serif); font-weight: 400; font-size: 40px; line-height: 1; color: var(--ivory); display: block; }
.hero-stats span { font-size: 13px; color: var(--muted-d); }

/* Candlestick image */
/* 人设视觉：原图直出 + 版式融合，不改脸 */
.hero-visual { position: relative; height: min(72vh, 620px); z-index: 1; width: 100%; max-width: 440px; justify-self: end; }
.mentor-visual { perspective: 1200px; }
.mentor-card {
    position: relative; height: 100%; border-radius: 24px; overflow: hidden;
    border: 1px solid rgba(227,164,68,.35);
    box-shadow: 0 50px 90px -30px rgba(0,0,0,.7), 0 0 80px -20px rgba(227,164,68,.25);
    transform: rotateY(-6deg) rotateX(2deg);
    transition: transform .6s var(--ease);
    opacity: 0; transform-origin: center; animation: mentorIn 1.2s var(--ease) .3s forwards;
}
.mentor-visual:hover .mentor-card { transform: rotateY(-2deg) rotateX(0deg) translateY(-4px); }
@keyframes mentorIn { from { opacity: 0; transform: translateY(30px) rotateY(-10deg); } to { opacity: 1; transform: translateY(0) rotateY(-6deg) rotateX(2deg); } }
.mentor-card > img {
    width: 100%; height: 100%; object-fit: cover; object-position: 50% 18%;
    transform: scale(1.02);
}
/* 底部压暗，保证文字可读，同时不遮脸（只压下半部分） */
.mentor-card::after {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background:
        linear-gradient(to top, rgba(12,22,20,.88) 0%, rgba(12,22,20,.35) 34%, transparent 55%),
        radial-gradient(120% 60% at 50% 0%, rgba(227,164,68,.14), transparent 60%);
}
.mentor-live {
    position: absolute; z-index: 2; top: 16px; left: 16px; right: 16px;
    display: inline-flex; align-items: center; gap: 8px; width: max-content; max-width: calc(100% - 32px);
    font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase;
    color: var(--saffron-2); padding: 8px 14px; border-radius: 999px;
    background: rgba(12,22,20,.62); border: 1px solid rgba(227,164,68,.4);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.mentor-live i { font-size: 8px; animation: pulse 1.8s infinite; }
.mentor-id {
    position: absolute; z-index: 2; left: 14px; right: 14px; bottom: 14px;
    display: flex; align-items: center; gap: 12px;
    padding: 12px 14px; border-radius: 16px;
    background: rgba(12,22,20,.66); border: 1px solid var(--line-d);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.mentor-avatar { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; object-position: top center; border: 2px solid var(--saffron); flex: none; }
.mentor-id-text { display: flex; flex-direction: column; line-height: 1.3; min-width: 0; }
.mentor-id-text b { font-family: var(--serif); font-weight: 400; font-size: 20px; color: var(--ivory); }
.mentor-id-text i { font-style: normal; font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em; color: var(--muted-d); }
.mentor-rating { margin-left: auto; font-family: var(--mono); font-size: 12px; color: var(--saffron-2); background: rgba(227,164,68,.14); padding: 6px 10px; border-radius: 99px; flex: none; }
.mentor-rating i { font-size: 10px; margin-right: 4px; }
.candles { position: absolute; inset: 0; }
.candle {
    position: absolute; bottom: 0; top: 0;
    will-change: transform;
    transition: transform .9s var(--ease);
}
.candle-body {
    position: absolute; left: 0; right: 0;
    background-image: url('../images/hero.webp');
    background-repeat: no-repeat;
    border-radius: 3px;
    clip-path: inset(100% 0 0 0);
    animation: rise 1.4s var(--ease) forwards;
    animation-delay: calc(var(--i) * 90ms + 200ms);
    box-shadow: 0 30px 60px -20px rgba(0,0,0,.6);
}
.candle-body::after { /* up/down tint */
    content: ''; position: absolute; inset: 0; mix-blend-mode: soft-light; opacity: .55;
}
.candle.up .candle-body::after { background: linear-gradient(to top, rgba(95,165,149,.6), transparent 60%); }
.candle.down .candle-body::after { background: linear-gradient(to bottom, rgba(154,59,63,.7), transparent 60%); }
.candle-wick {
    position: absolute; left: 50%; width: 1px; transform: translateX(-50%) scaleY(0);
    background: linear-gradient(var(--saffron), rgba(227,164,68,.2));
    transform-origin: bottom;
    animation: wick .9s var(--ease) forwards;
    animation-delay: calc(var(--i) * 90ms + 900ms);
}
@keyframes rise { to { clip-path: inset(0 0 0 0); } }
@keyframes wick { to { transform: translateX(-50%) scaleY(1); } }

.float-card {
    position: absolute; left: -40px; bottom: 8%; z-index: 3; width: 280px;
    padding: 16px 18px 14px; border-radius: 16px;
    background: rgba(12, 22, 20, .62); border: 1px solid var(--line-d);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    opacity: 0; transform: translateY(20px);
    animation: fadeUp 1s var(--ease) 1.6s forwards;
}
.fc-head { display: flex; justify-content: space-between; align-items: center; font-size: 12px; gap: 10px; }
.fc-head i { color: var(--saffron); margin-right: 4px; }
.fc-tag { font-family: var(--mono); font-size: 10px; padding: 3px 8px; border-radius: 99px; background: rgba(95,165,149,.18); color: var(--verdigris); }
.spark { width: 100%; height: 70px; margin: 10px 0 6px; overflow: visible; }
.spark-fill { fill: url(#sg); opacity: 0; animation: fadeIn 1s ease 3s forwards; }
.spark-line { fill: none; stroke: var(--saffron); stroke-width: 2; stroke-dasharray: 400; stroke-dashoffset: 400; animation: draw 1.8s var(--ease) 1.9s forwards; }
.fc-foot { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 9.5px; color: var(--muted-d); letter-spacing: .04em; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fadeIn { to { opacity: 1; } }
@keyframes fadeUp { to { opacity: 1; transform: none; } }
.coord {
    position: absolute; right: 0; top: -6px; font-family: var(--mono); font-size: 11px;
    letter-spacing: .14em; color: var(--muted-d); writing-mode: vertical-rl;
}

/* Ticker */
.ticker {
    position: absolute; left: 0; right: 0; bottom: 0; z-index: 4;
    border-top: 1px solid var(--line-d); background: rgba(12,22,20,.8);
    overflow: hidden; padding: 14px 0;
}
.ticker-track { display: flex; gap: 56px; width: max-content; animation: marquee 40s linear infinite; }
.ticker span { font-family: var(--mono); font-size: 13px; color: var(--muted-d); letter-spacing: .06em; white-space: nowrap; }
.ticker .fa-caret-up { color: var(--verdigris); }
.ticker .fa-caret-down { color: #D2676B; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Sections shared ---------- */
section:not(.hero) { padding: clamp(80px, 11vw, 150px) 0; position: relative; }
.section-light { background: var(--paper); color: var(--ink); }
.section-dark { background: var(--ink-2); }
.kicker { font-family: var(--mono); font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: var(--saffron); margin-bottom: 18px; }
.section-light .kicker { color: #B87A1F; }
h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(38px, 4.8vw, 68px); line-height: 1; letter-spacing: -.015em; }
.section-light em { color: #B87A1F; }
.lead { font-size: 18px; margin-top: 22px; max-width: 520px; }
.section-light .lead { color: var(--muted-l); }
.section-dark .lead { color: var(--muted-d); }

/* ---------- Method ---------- */
.method-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.scan-frame { position: relative; border-radius: 22px; overflow: hidden; aspect-ratio: 4/5; box-shadow: 0 40px 80px -40px rgba(12,22,20,.55); }
.scan-frame img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.12); transition: transform 1.6s var(--ease), filter .8s; filter: saturate(.85); }
.scan-frame.in img { transform: scale(1); }
.scan-frame:hover img { transform: scale(1.05); filter: saturate(1.1); }
.scan-grid {
    position: absolute; inset: 0; pointer-events: none;
    background-image: linear-gradient(rgba(241,235,223,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(241,235,223,.12) 1px, transparent 1px);
    background-size: 44px 44px; mix-blend-mode: overlay;
}
.scan-line {
    position: absolute; left: 0; right: 0; height: 120px; top: -120px; pointer-events: none;
    background: linear-gradient(to bottom, transparent, rgba(227,164,68,.35) 85%, rgba(242,194,122,.95) 100%);
    mix-blend-mode: screen; animation: scan 5s var(--ease) infinite;
}
@keyframes scan { 0% { top: -120px; } 70%, 100% { top: 100%; } }
.scan-frame figcaption {
    position: absolute; left: 16px; bottom: 16px; right: 16px;
    display: flex; gap: 12px; align-items: center;
    font-family: var(--mono); font-size: 12px; color: var(--ivory); letter-spacing: .06em;
    padding: 10px 14px; border-radius: 10px; background: rgba(12,22,20,.55); backdrop-filter: blur(8px);
}
.scan-frame figcaption span { color: var(--saffron-2); }
.pillars { margin-top: 38px; display: grid; gap: 4px; }
.pillar {
    display: grid; grid-template-columns: 52px 1fr; gap: 18px; align-items: start;
    padding: 22px 0; border-top: 1px solid var(--line-l);
    transition: padding .4s var(--ease);
}
.pillar:hover { padding-left: 10px; }
.pillar > i {
    width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
    background: var(--ink); color: var(--saffron); font-size: 19px;
}
.pillar h3 { font-size: 19px; font-weight: 600; margin-bottom: 4px; }
.pillar p { color: var(--muted-l); font-size: 15.5px; }

/* ---------- Route (staircase) ---------- */
.route h2 { max-width: 760px; }
.steps { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 70px; align-items: end; }
.step-line { position: absolute; inset: auto 0 0 0; height: 100%; width: 100%; pointer-events: none; z-index: 0; }
.step-line path { fill: none; stroke: var(--saffron); stroke-width: 1.5; stroke-dasharray: 6 8; opacity: .45; vector-effect: non-scaling-stroke; }
.step {
    position: relative; z-index: 1; padding: 30px 28px 32px; border-radius: 20px;
    background: linear-gradient(180deg, var(--ink-3), var(--ink-2)); border: 1px solid var(--line-d);
    transition: transform .5s var(--ease), border-color .5s;
}
.step:hover { transform: translateY(-8px); border-color: rgba(227,164,68,.5); }
.step.s2 { margin-bottom: 70px; }
.step.s3 { margin-bottom: 140px; }
.step-num { position: absolute; right: 22px; top: 8px; font-family: var(--serif); font-size: 84px; line-height: 1; color: rgba(227,164,68,.16); font-style: italic; }
.step-level { font-family: var(--mono); font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--verdigris); }
.step-level i { margin-right: 6px; }
.step h3 { font-family: var(--serif); font-weight: 400; font-size: 36px; margin: 18px 0 10px; }
.step p { color: var(--muted-d); font-size: 15.5px; }

/* ---------- Sessions (spotlight) ---------- */
.sessions-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(40px, 6vw, 80px); align-items: center; }
.checks { list-style: none; margin-top: 30px; display: grid; gap: 14px; }
.checks li { display: flex; gap: 14px; align-items: center; font-size: 16.5px; }
.checks i { width: 28px; height: 28px; flex: none; display: grid; place-items: center; border-radius: 50%; background: var(--ink); color: var(--saffron); font-size: 12px; }
.spot-frame {
    --x: 50%; --y: 45%;
    position: relative; border-radius: 22px; overflow: hidden; aspect-ratio: 3/2;
    box-shadow: 0 40px 80px -40px rgba(12,22,20,.55); cursor: crosshair;
}
.spot-frame img { width: 100%; height: 100%; object-fit: cover; }
.spot-frame::before { /* duotone veil with a moving spotlight hole */
    content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none;
    background: radial-gradient(circle 190px at var(--x) var(--y), transparent 0, transparent 55%, rgba(12,22,20,.78) 100%);
    transition: background .1s;
}
.spot-frame::after {
    content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none;
    background: var(--ink); mix-blend-mode: color;
    -webkit-mask-image: radial-gradient(circle 190px at var(--x) var(--y), transparent 50%, #000 100%);
    mask-image: radial-gradient(circle 190px at var(--x) var(--y), transparent 50%, #000 100%);
}
.spot-badge {
    position: absolute; z-index: 2; top: 18px; left: 18px;
    font-family: var(--mono); font-size: 12px; letter-spacing: .08em;
    padding: 8px 14px; border-radius: 999px; background: var(--saffron); color: var(--ink);
}
.spot-badge i { margin-right: 6px; }

/* ---------- Access (tilt) ---------- */
.access { background: radial-gradient(800px 500px at 20% 50%, rgba(227,164,68,.10), transparent 60%), var(--ink); }
.access-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.tilt-wrap { perspective: 1200px; }
.tilt {
    position: relative; border-radius: 22px; overflow: hidden; aspect-ratio: 1;
    transform-style: preserve-3d; transition: transform .25s ease-out;
    box-shadow: 0 50px 90px -30px rgba(0,0,0,.7), 0 0 0 1px var(--line-d);
}
.tilt img { width: 100%; height: 100%; object-fit: cover; }
.tilt-shine {
    --sx: 50%; --sy: 50%;
    position: absolute; inset: 0; pointer-events: none; mix-blend-mode: overlay;
    background: radial-gradient(circle at var(--sx) var(--sy), rgba(255,236,200,.55), transparent 50%);
}
.tilt-label {
    position: absolute; left: 20px; bottom: 20px; transform: translateZ(40px);
    font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted-d);
    padding: 12px 16px; border-radius: 12px; background: rgba(12,22,20,.6); backdrop-filter: blur(8px);
}
.tilt-label b { font-family: var(--serif); font-size: 26px; font-weight: 400; letter-spacing: 0; text-transform: none; color: var(--saffron-2); }
.perks { list-style: none; margin-top: 34px; display: grid; gap: 14px; }
.perks li {
    display: grid; grid-template-columns: 48px 1fr; gap: 16px; align-items: start;
    padding: 18px 20px; border-radius: 16px; border: 1px solid var(--line-d); background: rgba(241,235,223,.03);
    transition: border-color .4s, background .4s;
}
.perks li:hover { border-color: rgba(227,164,68,.45); background: rgba(227,164,68,.06); }
.perks li > i { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 12px; background: rgba(227,164,68,.14); color: var(--saffron); font-size: 18px; }
.perks h3 { font-size: 17px; font-weight: 600; }
.perks p { font-size: 14.5px; color: var(--muted-d); }
.access-cta { margin-top: 34px; }
.micro { margin-top: 14px; font-size: 13px; color: var(--muted-d); }
.micro i { color: var(--verdigris); margin-right: 6px; }

/* ---------- Footer ---------- */
.footer { background: #08100E; padding: 64px 0 40px; text-align: center; border-top: 1px solid var(--line-d); }
.foot-brand { display: inline-flex; align-items: center; gap: 12px; font-family: var(--serif); font-size: 22px; }
.foot-disclaimer { max-width: 760px; margin: 22px auto 26px; font-size: 13px; color: var(--muted-d); line-height: 1.7; }
.foot-links { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 10px 14px; font-size: 14px; }
.foot-links span { color: var(--line-d); }
.foot-links a { color: var(--ivory); text-decoration: none; transition: color .3s; }
.foot-links a i { color: var(--saffron); margin-right: 5px; }
.foot-links a:hover { color: var(--saffron-2); }
.copy { margin-top: 22px; font-family: var(--mono); font-size: 11.5px; color: rgba(241,235,223,.4); }

/* ---------- Fixed CTA ---------- */
.fixed-cta {
    position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%);
    z-index: 50; width: max-content; max-width: calc(100% - 32px);
}
.btn-fixed {
    padding: 16px 30px; font-size: 16px; font-weight: 600;
    box-shadow: 0 18px 40px -8px rgba(0,0,0,.55), 0 0 0 6px rgba(227,164,68,.18);
    animation: breathe 2.6s ease-in-out infinite;
}
.btn-fixed .fa-arrow-right { font-size: 14px; transition: transform .3s; }
.btn-fixed:hover .fa-arrow-right { transform: translateX(4px); }
@keyframes breathe {
    0%, 100% { box-shadow: 0 18px 40px -8px rgba(0,0,0,.55), 0 0 0 6px rgba(227,164,68,.18); }
    50% { box-shadow: 0 18px 40px -8px rgba(0,0,0,.55), 0 0 0 12px rgba(227,164,68,.06); }
}

/* ---------- Modals ---------- */
.modal {
    display: none; position: fixed; inset: 0; z-index: 100;
    background: rgba(6, 12, 10, .72); backdrop-filter: blur(6px);
    padding: 20px; align-items: center; justify-content: center;
}
.modal.open { display: flex; animation: fadeIn .3s ease; }
.modal-box {
    position: relative; width: min(640px, 100%); max-height: 82vh; overflow: auto;
    background: var(--paper); color: var(--ink); border-radius: 20px; padding: 36px 32px 30px;
    animation: fadeUp .45s var(--ease); transform: translateY(16px);
}
.modal-box h3 { font-family: var(--serif); font-weight: 400; font-size: 32px; margin-bottom: 16px; padding-right: 40px; }
.modal-box h3 i { color: #B87A1F; font-size: 22px; margin-right: 8px; }
.modal-body h4 { font-size: 15px; font-weight: 600; margin: 18px 0 6px; }
.modal-body p { font-size: 14.5px; color: var(--muted-l); margin-bottom: 8px; }
.modal-close {
    position: absolute; top: 16px; right: 16px; width: 38px; height: 38px; border-radius: 50%;
    background: var(--ivory-2); color: var(--ink); font-size: 16px; transition: background .3s, transform .3s;
}
.modal-close:hover { background: var(--saffron); transform: rotate(90deg); }
body.modal-lock { overflow: hidden; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.hero .reveal { transition-delay: calc(var(--d, 0) * 120ms); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
    .hero { padding-top: 110px; padding-bottom: 90px; min-height: auto; display: block; }
    /* 手机端：标题 → 人设图 → 文案/按钮，首屏一眼看到人 */
    .hero-inner { display: flex; flex-direction: column; gap: 22px; }
    .hero-copy { display: contents; }
    .hero-copy .eyebrow { order: 1; align-self: flex-start; }
    .hero-copy .hero-title { order: 2; }
    .hero-visual { order: 3; height: 400px; max-width: 400px; width: 100%; justify-self: start; }
    .hero-copy .hero-sub { order: 4; }
    .hero-copy .hero-actions { order: 5; }
    .hero-copy .hero-stats { order: 6; margin-top: 28px; }
    .mentor-card { transform: none; }
    .mentor-visual:hover .mentor-card { transform: translateY(-4px); }
    @keyframes mentorIn { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: none; } }
    .float-card { left: 0; bottom: 4%; }
    .coord { display: none; }
    .method-grid, .sessions-grid, .access-grid { grid-template-columns: 1fr; }
    .scan-frame { aspect-ratio: 4/3; }
    .sessions-grid .spot-frame { order: -1; }
    .steps { grid-template-columns: 1fr; margin-top: 44px; }
    .step.s2, .step.s3 { margin-bottom: 0; }
    .step.s2 { margin-left: 18px; }
    .step.s3 { margin-left: 36px; }
    .step-line { display: none; }
    .tilt-wrap { max-width: 460px; margin: 0 auto; width: 100%; }
}
@media (max-width: 600px) {
    .nav { padding: 16px; }
    .nav-cta span { display: none; }
    .nav-cta { padding: 10px; }
    .brand-name { font-size: 21px; }
    .hero { padding-left: 0; padding-right: 0; }
    .hero-inner { width: calc(100% - 32px); }
    .hero-visual { height: 380px; max-width: 100%; }
    .hero-stats { gap: 18px; }
    .hero-stats strong { font-size: 30px; }
    .hero-stats span { font-size: 11.5px; }
    .float-card { width: 230px; padding: 12px 14px; }
    .wrap { width: calc(100% - 32px); }
    .btn { padding: 15px 22px; font-size: 15px; white-space: normal; text-align: left; }
    .hero-actions .btn, .access-cta .btn { width: 100%; justify-content: center; }
    .btn-fixed { white-space: nowrap; padding: 15px 22px; font-size: 15px; }
    .step { padding: 24px 22px; }
    .step.s2 { margin-left: 10px; }
    .step.s3 { margin-left: 20px; }
    .modal-box { padding: 30px 22px 24px; }
    .modal-box h3 { font-size: 26px; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}