/* =========================================================
   口袋百宝集 × 松果专注力训练 · 推广页
   纯静态，无依赖
   ========================================================= */

:root{
  --ink:#0A0E17;
  --ink-soft:#111827;
  --text:#111827;
  --muted:#5B6472;
  --muted-2:#8A94A6;
  --paper:#FFFFFF;
  --paper-2:#F5F7FA;
  --line:rgba(17,24,39,.09);

  --green:#07C160;
  --green-deep:#04984A;
  --green-soft:#E9F9F0;
  --indigo:#4F46E5;
  --indigo-soft:#EDECFE;

  --radius:22px;
  --shadow-sm:0 1px 2px rgba(17,24,39,.05), 0 10px 30px -12px rgba(17,24,39,.16);
  --shadow-lg:0 30px 60px -30px rgba(17,24,39,.28);
  --wrap:1180px;
  --ease:cubic-bezier(.22,.72,.24,1);
}

*,*::before,*::after{box-sizing:border-box}

html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  color:var(--text);
  background:var(--paper);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img{max-width:100%;display:block}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
b,strong{font-weight:700}
button{font:inherit;color:inherit}
.nw{white-space:nowrap}

.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
}
.wrap--narrow{max-width:860px}

::selection{background:rgba(7,193,96,.2)}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  border:none;
  border-radius:999px;
  font-size:.95rem;
  font-weight:600;
  letter-spacing:.01em;
  cursor:pointer;
  transition:transform .28s var(--ease), box-shadow .28s var(--ease), background .28s var(--ease), color .28s var(--ease), border-color .28s var(--ease);
  white-space:nowrap;
  text-align:center;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn--sm{padding:9px 16px;font-size:.85rem}
.btn--green{
  background:linear-gradient(135deg,#0BD06A,#07A852);
  color:#03210F;
  box-shadow:0 12px 30px -12px rgba(7,193,96,.75);
}
.btn--green:hover{box-shadow:0 18px 38px -12px rgba(7,193,96,.85);transform:translateY(-2px)}
.btn--indigo{
  background:linear-gradient(135deg,#625BF0,#443ADB);
  color:#fff;
  box-shadow:0 12px 30px -12px rgba(79,70,229,.7);
}
.btn--indigo:hover{box-shadow:0 18px 38px -12px rgba(79,70,229,.8);transform:translateY(-2px)}
.btn--ghost{
  background:rgba(255,255,255,.08);
  color:#F3F4F7;
  border:1px solid rgba(255,255,255,.22);
  backdrop-filter:blur(6px);
}
.btn--ghost:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.4)}
.btn--outline{
  background:#fff;
  color:#25303F;
  border:1px solid rgba(17,24,39,.16);
}
.btn--outline:hover{border-color:rgba(17,24,39,.34);transform:translateY(-1px)}

:focus-visible{
  outline:2px solid #4F46E5;
  outline-offset:3px;
  border-radius:4px;
}

/* ---------- 顶部导航 ---------- */
.nav{
  position:fixed;
  inset:0 0 auto 0;
  z-index:60;
  padding:16px 0;
  color:#E9EDF5;
  transition:background .35s var(--ease), padding .35s var(--ease), box-shadow .35s var(--ease), backdrop-filter .35s;
}
.nav__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.nav.is-stuck{
  padding:9px 0;
  background:rgba(9,13,22,.72);
  backdrop-filter:blur(16px) saturate(150%);
  box-shadow:0 1px 0 rgba(255,255,255,.08), 0 12px 30px -20px rgba(0,0,0,.9);
}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand__marks{display:flex;align-items:center}
.brand__marks img{
  width:34px;height:34px;border-radius:10px;object-fit:cover;
  border:1px solid rgba(255,255,255,.25);
  box-shadow:0 6px 16px -8px rgba(0,0,0,.9);
  background:#fff;
}
.brand__marks img+img{margin-left:-10px;transform:rotate(-6deg)}
.brand__text{
  display:flex;flex-direction:column;line-height:1.25;
  font-size:.98rem;font-weight:700;letter-spacing:.02em;
  white-space:nowrap;
}
.brand__text em{
  font-style:normal;font-size:.66rem;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;
  color:rgba(233,237,245,.5);
}
.nav__links{display:flex;align-items:center;gap:30px;font-size:.9rem}
.nav__links a{
  position:relative;color:rgba(233,237,245,.72);
  transition:color .25s;
}
.nav__links a::after{
  content:'';position:absolute;left:0;right:100%;bottom:-6px;height:1.5px;
  background:currentColor;transition:right .3s var(--ease);opacity:.7;
}
.nav__links a:hover{color:#fff}
.nav__links a:hover::after{right:0}
.nav__cta{
  background:rgba(255,255,255,.1);
  color:#fff;
  border:1px solid rgba(255,255,255,.24);
}
.nav__cta:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.45)}

/* ---------- HERO ---------- */
.hero{
  position:relative;
  padding:132px 0 0;
  background:
    radial-gradient(120% 90% at 50% -10%, #16203A 0%, #0B1020 45%, #070A12 100%);
  color:#fff;
  overflow:hidden;
  isolation:isolate;
}
.hero__bg{position:absolute;inset:0;z-index:-1;overflow:hidden}
.orb{
  position:absolute;border-radius:50%;filter:blur(90px);opacity:.42;
  animation:drift 18s ease-in-out infinite alternate;
}
.orb--green{
  width:560px;height:560px;left:-12%;top:-14%;
  background:radial-gradient(circle at 40% 40%, #07C160, transparent 68%);
}
.orb--indigo{
  width:620px;height:620px;right:-14%;top:2%;
  background:radial-gradient(circle at 55% 45%, #5147E8, transparent 68%);
  animation-delay:-7s;
}
@keyframes drift{
  from{transform:translate3d(0,0,0) scale(1)}
  to{transform:translate3d(30px,26px,0) scale(1.08)}
}
.hero__grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(75% 60% at 50% 30%, #000 20%, transparent 78%);
  mask-image:radial-gradient(75% 60% at 50% 30%, #000 20%, transparent 78%);
}
.hero__inner{
  position:relative;
  display:grid;
  grid-template-columns:1.06fr .94fr;
  align-items:center;
  gap:clamp(24px,4vw,64px);
  padding-bottom:clamp(56px,7vw,96px);
}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 14px 7px 11px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:999px;
  background:rgba(255,255,255,.05);
  font-size:.78rem;letter-spacing:.04em;color:rgba(233,237,245,.78);
}
.eyebrow .dot{
  width:7px;height:7px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 4px rgba(7,193,96,.16);
}
.hero h1{
  margin-top:26px;
  font-size:clamp(2rem,4.4vw,3.6rem);
  line-height:1.16;
  letter-spacing:-.025em;
  font-weight:800;
}
.hl{-webkit-background-clip:text;background-clip:text;color:transparent}
.hl--green{background-image:linear-gradient(100deg,#22E37A,#06A85A 90%)}
.hl--indigo{background-image:linear-gradient(100deg,#A9A3FF,#7268FF 90%)}
.hero__lede{
  margin-top:24px;
  max-width:36em;
  color:rgba(226,232,244,.66);
  font-size:1.02rem;
  line-height:1.95;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero__meta{
  display:flex;gap:clamp(22px,3.4vw,46px);
  margin-top:44px;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.1);
}
.hero__meta li{display:flex;flex-direction:column;gap:2px}
.hero__meta strong{
  font-size:clamp(1.5rem,2.4vw,1.95rem);
  font-weight:800;letter-spacing:-.02em;line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.hero__meta span{font-size:.78rem;color:rgba(226,232,244,.48)}

/* --- 手机样机 --- */
.hero__stage{
  position:relative;
  display:flex;
  align-items:flex-end;
  justify-content:center;
  perspective:1400px;
}
.stage__glow{
  position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;z-index:0;
}
.stage__glow--green{width:260px;height:260px;left:6%;bottom:8%;background:rgba(7,193,96,.45)}
.stage__glow--indigo{width:260px;height:260px;right:2%;bottom:18%;background:rgba(79,70,229,.55)}

.phone{
  position:relative;
  width:clamp(178px,20.5vw,236px);
  min-height:0;
  aspect-ratio:var(--ar,9/19.5);
  padding:8px;
  border-radius:36px;
  background:linear-gradient(160deg,#28324A,#0B0F18 55%);
  box-shadow:
    0 0 0 1px rgba(255,255,255,.12),
    0 30px 70px -28px rgba(0,0,0,.95),
    0 8px 20px -12px rgba(0,0,0,.8);
  z-index:1;
  transition:transform .5s var(--ease), box-shadow .5s var(--ease);
}
.phone img{
  width:100%;height:100%;
  object-fit:cover;object-position:top center;
  border-radius:29px;
  background:#0B0F18;
}
.phone--a{
  margin-right:-42px;
  transform:rotate(-7deg) translateY(14px);
}
.phone--b{
  transform:rotate(6deg) translateY(-10px);
  z-index:2;
}
.hero__stage:hover .phone--a{transform:rotate(-5deg) translateY(6px)}
.hero__stage:hover .phone--b{transform:rotate(4deg) translateY(-18px)}

.float-tag{
  position:absolute;
  z-index:3;
  padding:8px 14px;
  border-radius:999px;
  font-size:.76rem;
  font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
  backdrop-filter:blur(8px);
  box-shadow:0 14px 30px -16px rgba(0,0,0,.9);
  animation:float 5.5s ease-in-out infinite;
}
.float-tag--green{
  left:-8%;top:24%;
  color:#C6F7DC;
  background:rgba(7,193,96,.16);
  border:1px solid rgba(7,193,96,.42);
}
.float-tag--indigo{
  right:-8%;bottom:26%;
  color:#DCDCFF;
  background:rgba(79,70,229,.2);
  border:1px solid rgba(122,114,255,.45);
  animation-delay:-2.4s;
}
@keyframes float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-9px)}
}

/* --- 跑马灯 --- */
.marquee{
  position:relative;
  border-top:1px solid rgba(255,255,255,.08);
  border-bottom:1px solid rgba(255,255,255,.08);
  padding:18px 0;
  overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.marquee__track{
  display:flex;
  width:max-content;
  gap:34px;
  animation:slide 46s linear infinite;
}
.marquee__track span{
  display:inline-flex;align-items:center;gap:34px;
  font-size:.86rem;color:rgba(226,232,244,.4);
  white-space:nowrap;
}
.marquee__track span::after{
  content:'';width:4px;height:4px;border-radius:50%;
  background:rgba(255,255,255,.22);
}
@keyframes slide{
  from{transform:translate3d(0,0,0)}
  to{transform:translate3d(-50%,0,0)}
}

/* ---------- 区块通用 ---------- */
.section{
  position:relative;
  padding:clamp(72px,8.5vw,124px) 0;
  scroll-margin-top:72px;
}
.section--tools{
  background:
    radial-gradient(80% 50% at 8% 0%, rgba(7,193,96,.07), transparent 70%),
    linear-gradient(180deg,#FFFFFF,#FAFCFB);
}
.section--focus{
  background:
    radial-gradient(70% 50% at 92% 4%, rgba(79,70,229,.08), transparent 70%),
    linear-gradient(180deg,#FAFAFF,#FFFFFF);
}
.section--choose{background:#fff}
.section--start{background:var(--paper-2)}
.section--faq{background:#fff}

.sec-head{max-width:760px;margin-bottom:clamp(38px,4.6vw,58px)}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.sec-kicker{
  display:inline-flex;align-items:center;gap:12px;
  font-size:.78rem;font-weight:700;letter-spacing:.14em;
  color:var(--green-deep);text-transform:uppercase;
}
.sec-kicker .num{
  font-variant-numeric:tabular-nums;
  font-size:.72rem;letter-spacing:.06em;
  color:#fff;background:var(--green);
  padding:2px 8px;border-radius:6px;
}
.sec-kicker--indigo{color:var(--indigo)}
.sec-kicker--indigo .num{background:var(--indigo)}
.sec-head h2{
  margin-top:16px;
  font-size:clamp(1.62rem,3.1vw,2.5rem);
  line-height:1.3;
  letter-spacing:-.02em;
  font-weight:800;
}
.sec-lede{
  margin-top:18px;
  color:var(--muted);
  font-size:1.01rem;
  line-height:1.95;
}

/* ---------- Bento ---------- */
.bento{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:16px;
}
.card{
  grid-column:span 4;
  position:relative;
  padding:26px 24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:0 1px 2px rgba(17,24,39,.03);
  transition:transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.card::after{
  content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(120% 90% at 100% 0%, rgba(7,193,96,.07), transparent 60%);
  opacity:0;transition:opacity .4s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:rgba(7,193,96,.28)}
.card:hover::after{opacity:1}
.card--lg{grid-column:span 8;background:linear-gradient(150deg,#F2FBF6,#FFFFFF 62%)}
.card--half{grid-column:span 6}
.card--accent-green{background:linear-gradient(150deg,#F0FBF5,#fff 70%);border-color:rgba(7,193,96,.2)}

.card__top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.card__icon{
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;
  font-size:1.15rem;
  color:#fff;
  background:linear-gradient(135deg,var(--c1,#07C160),var(--c2,#34C759));
  box-shadow:0 10px 22px -12px var(--c1,#07C160);
}
.card__badge{
  font-size:.72rem;font-weight:700;letter-spacing:.04em;
  padding:4px 10px;border-radius:999px;
  background:#F1F3F6;color:#4A5568;
}
.card__badge--green{background:var(--green-soft);color:var(--green-deep)}
.card h3{margin-top:18px;font-size:1.06rem;letter-spacing:-.01em}
.card p{margin-top:9px;color:var(--muted);font-size:.93rem;line-height:1.86}
.card__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.card__tags li{
  font-size:.76rem;color:#475569;
  padding:4px 10px;border-radius:999px;
  background:#F4F6F9;
}
.bento__more{
  margin-top:22px;
  font-size:.9rem;
  color:var(--muted-2);
  line-height:1.85;
}

/* ---------- 截图 ---------- */
.shots{
  --pw:clamp(150px,16vw,200px);
  display:flex;
  flex-wrap:wrap;
  align-items:flex-start;
  justify-content:center;
  gap:clamp(16px,3vw,44px);
  margin-top:clamp(48px,6vw,80px);
}
.shot{display:flex;flex-direction:column;align-items:center;gap:14px;width:var(--pw)}
.shot--up{margin-top:-26px}
.shot figcaption{font-size:.8rem;line-height:1.6;color:var(--muted-2);text-align:center}
.shots--panel{
  --pw:clamp(160px,17vw,220px);
  max-width:660px;
  margin-left:auto;
  margin-right:auto;
  padding:clamp(26px,3.4vw,44px) clamp(18px,3vw,40px);
  background:linear-gradient(180deg,rgba(255,255,255,.9),rgba(255,255,255,.55));
  border:1px solid var(--line);
  border-radius:30px;
  box-shadow:0 1px 2px rgba(17,24,39,.03);
}
.phone--sm{
  width:var(--pw);
  padding:6px;border-radius:28px;
  box-shadow:0 0 0 1px rgba(17,24,39,.08), 0 26px 50px -28px rgba(17,24,39,.45);
  background:linear-gradient(160deg,#F4F6FA,#DDE3EC);
  transition:transform .45s var(--ease), box-shadow .45s var(--ease);
}
.phone--sm img{border-radius:23px}
.phone--sm:hover{transform:translateY(-6px);box-shadow:0 0 0 1px rgba(17,24,39,.08),0 34px 60px -28px rgba(17,24,39,.55)}

/* ---------- 三条支撑 ---------- */
.pillars{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:clamp(18px,3vw,40px);
  margin-top:clamp(48px,6vw,80px);
  padding-top:34px;
  border-top:1px solid var(--line);
}
.pillar h4{
  position:relative;
  padding-left:16px;
  font-size:1rem;
}
.pillar h4::before{
  content:'';position:absolute;left:0;top:.52em;
  width:8px;height:8px;border-radius:3px;
  background:var(--green);
}
.pillar p{margin-top:10px;color:var(--muted);font-size:.9rem;line-height:1.85}

/* ---------- 7 天闭环 ---------- */
.loop{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:clamp(16px,2.4vw,32px);
}
.loop__step{position:relative;padding-top:44px}
.loop__step::before{
  content:'';position:absolute;left:34px;right:-24px;top:15px;height:1px;
  background:linear-gradient(90deg,rgba(79,70,229,.32),rgba(79,70,229,.08));
}
.loop__step:last-child::before{display:none}
.loop__n{
  position:absolute;left:0;top:0;
  width:31px;height:31px;border-radius:50%;
  display:grid;place-items:center;
  font-size:.82rem;font-weight:700;
  color:var(--indigo);
  background:#fff;
  border:1px solid rgba(79,70,229,.35);
  box-shadow:0 4px 14px -8px rgba(79,70,229,.7);
}
.loop__step h3{font-size:1rem;letter-spacing:-.01em}
.loop__step p{margin-top:8px;color:var(--muted);font-size:.9rem;line-height:1.85}

/* ---------- 五维 ---------- */
.dims{
  display:grid;
  grid-template-columns:minmax(260px,.8fr) 1.2fr;
  align-items:center;
  gap:clamp(24px,4vw,60px);
  margin-top:clamp(48px,6vw,76px);
  padding:clamp(22px,3vw,40px);
  background:rgba(255,255,255,.75);
  border:1px solid rgba(79,70,229,.12);
  border-radius:28px;
}
.dims__chart{display:flex;flex-direction:column;align-items:center}
.dims__chart svg{
  width:100%;max-width:330px;height:auto;
  transform-origin:50% 50%;
}
.dims__area{
  fill:rgba(79,70,229,.14);
  stroke:#4F46E5;
  stroke-width:2;
  stroke-linejoin:round;
  transition:opacity .6s var(--ease);
}
.dims__dots circle{fill:#4F46E5}
.dims__cap{margin-top:6px;font-size:.74rem;color:var(--muted-2);letter-spacing:.02em}
.dims__list h3{font-size:1.06rem;letter-spacing:-.01em}
.dims__list ul{margin-top:14px}
.dims__list li{
  display:grid;
  grid-template-columns:86px 1fr;
  gap:14px;
  align-items:baseline;
  padding:12px 0;
  border-bottom:1px dashed rgba(17,24,39,.1);
}
.dims__list li:last-child{border-bottom:none}
.dims__list b{font-size:.94rem;color:var(--indigo)}
.dims__list span{font-size:.89rem;color:var(--muted);line-height:1.75}

/* ---------- 训练库 ---------- */
.library{
  margin-top:clamp(40px,5vw,64px);
  padding:clamp(24px,3.2vw,40px);
  background:#fff;
  border:1px solid var(--line);
  border-radius:26px;
  box-shadow:var(--shadow-sm);
}
.library__head{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px 18px}
.library__head h3{font-size:1.12rem}
.library__head p{font-size:.86rem;color:var(--muted-2)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chips li{
  padding:8px 15px;
  font-size:.86rem;
  color:#4338CA;
  background:#F5F4FF;
  border:1px solid rgba(79,70,229,.14);
  border-radius:999px;
  transition:background .25s, color .25s, transform .25s;
}
.chips li:hover{background:#4F46E5;color:#fff;transform:translateY(-2px)}

/* ---------- 重点卡 ---------- */
.shots--focus{align-items:center;margin-top:clamp(40px,5vw,64px)}
.note-card{
  flex:1 1 320px;
  max-width:400px;
  padding:clamp(22px,2.6vw,32px);
  background:#fff;
  border:1px solid rgba(79,70,229,.14);
  border-radius:24px;
  box-shadow:var(--shadow-sm);
}
.note-card h4{
  font-size:.98rem;
  padding-left:14px;
  position:relative;
}
.note-card h4::before{
  content:'';position:absolute;left:0;top:.35em;bottom:.35em;
  width:3px;border-radius:2px;background:linear-gradient(#4F46E5,#8B87FF);
}
.note-card h4+h4{margin-top:26px}
.note-card p{margin-top:8px;color:var(--muted);font-size:.89rem;line-height:1.85}
.note-card__small{margin-top:14px !important;font-size:.78rem !important;color:var(--muted-2) !important}

/* ---------- 怎么选 ---------- */
.choose{display:grid;grid-template-columns:1fr 1fr;gap:clamp(16px,2.4vw,24px)}
.choose__col{
  padding:clamp(24px,3.2vw,38px);
  border-radius:28px;
  border:1px solid var(--line);
  background:#fff;
}
.choose__col--tools{background:linear-gradient(165deg,#F1FBF6,#fff 58%);border-color:rgba(7,193,96,.18)}
.choose__col--focus{background:linear-gradient(165deg,#F3F2FF,#fff 58%);border-color:rgba(79,70,229,.16)}
.choose__col header{display:flex;align-items:center;gap:14px}
.choose__icon{
  width:54px;height:54px;border-radius:16px;object-fit:cover;
  border:1px solid rgba(17,24,39,.08);
  box-shadow:0 10px 22px -14px rgba(17,24,39,.7);
}
.choose__col h3{font-size:1.14rem;letter-spacing:-.01em}
.choose__col header p{font-size:.84rem;color:var(--muted-2);margin-top:2px}
.choose__col ul{margin-top:24px}
.choose__col li{
  position:relative;
  padding:13px 0 13px 26px;
  font-size:.93rem;
  color:#2B3544;
  border-bottom:1px dashed rgba(17,24,39,.1);
}
.choose__col li:last-child{border-bottom:none}
.choose__col li::before{
  content:'';position:absolute;left:2px;top:1.55em;
  width:9px;height:9px;border-radius:50%;
}
.choose__col--tools li::before{background:rgba(7,193,96,.75)}
.choose__col--focus li::before{background:rgba(79,70,229,.7)}
.choose__note{
  margin-top:28px;
  text-align:center;
  font-size:.92rem;
  color:var(--muted);
}

/* ---------- 怎么打开 ---------- */
.start{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:clamp(24px,4vw,56px);
  align-items:start;
}
.steps li{
  position:relative;
  padding:0 0 26px 56px;
}
.steps li:not(:last-child)::after{
  content:'';position:absolute;left:19px;top:42px;bottom:8px;width:1px;
  background:linear-gradient(rgba(17,24,39,.16),rgba(17,24,39,.04));
}
.steps__n{
  position:absolute;left:0;top:0;
  width:40px;height:40px;border-radius:13px;
  display:grid;place-items:center;
  font-size:.8rem;font-weight:800;font-variant-numeric:tabular-nums;
  color:#0B2E1C;
  background:var(--green-soft);
  border:1px solid rgba(7,193,96,.24);
}
.steps h3{font-size:1.02rem;padding-top:6px}
.steps p{margin-top:6px;font-size:.91rem;color:var(--muted);line-height:1.8}
.copy-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

.scan{
  padding:clamp(20px,2.6vw,30px);
  background:#fff;
  border:1px solid var(--line);
  border-radius:26px;
  box-shadow:var(--shadow-sm);
}
.scan__cards{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.scan__card{text-align:center;flex:1 1 130px;max-width:170px}
.scan__card p{margin-top:10px;font-size:.84rem;color:var(--muted);font-weight:600}
.qr{
  aspect-ratio:1;
  border-radius:16px;
  background:#F8FAFC;
  border:1px solid rgba(17,24,39,.1);
  display:grid;place-items:center;
  padding:8px;
  overflow:hidden;
}
.qr > img{width:100%;height:100%;object-fit:contain;border-radius:10px}
.qr__fallback{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:7px;
  font-size:.68rem;
  line-height:1.7;
  color:var(--muted-2);
  text-align:center;
}
.qr__icon{
  width:52px;height:52px;
  border-radius:15px;
  object-fit:cover;
  border:1px solid rgba(17,24,39,.08);
  box-shadow:0 8px 18px -12px rgba(17,24,39,.7);
}
.qr__fallback em{font-style:normal;letter-spacing:.02em}
.scan__hint{margin-top:18px;font-size:.76rem;color:var(--muted-2);text-align:center;line-height:1.8}

/* ---------- FAQ ---------- */
.faq{margin-top:8px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;
  cursor:pointer;
  font-size:1rem;
  font-weight:600;
  letter-spacing:-.005em;
  list-style:none;
  transition:color .25s;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--indigo)}
.faq__icon{
  position:relative;
  width:22px;height:22px;flex:none;border-radius:50%;
  background:#F2F4F8;
  transition:background .3s, transform .3s var(--ease);
}
.faq__icon::before,.faq__icon::after{
  content:'';position:absolute;left:50%;top:50%;
  background:#5B6472;border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform .3s var(--ease), background .3s;
}
.faq__icon::before{width:10px;height:1.6px}
.faq__icon::after{width:1.6px;height:10px}
details[open] .faq__icon{background:var(--indigo-soft);transform:rotate(90deg)}
details[open] .faq__icon::before,
details[open] .faq__icon::after{background:var(--indigo)}
details[open] .faq__icon::after{transform:translate(-50%,-50%) scaleY(0)}
.faq__body{padding:0 4px 22px}
.faq__body p{color:var(--muted);font-size:.94rem;line-height:1.95;max-width:64em}

/* ---------- 结尾 CTA ---------- */
.cta{
  position:relative;
  padding:clamp(72px,9vw,120px) 0;
  background:#080B14;
  color:#fff;
  overflow:hidden;
  text-align:center;
}
.cta__bg{
  position:absolute;inset:0;
  background:
    radial-gradient(50% 80% at 18% 100%, rgba(7,193,96,.22), transparent 70%),
    radial-gradient(50% 80% at 82% 0%, rgba(79,70,229,.28), transparent 70%);
}
.cta__inner{position:relative}
.cta h2{
  font-size:clamp(1.7rem,3.6vw,2.7rem);
  line-height:1.34;
  letter-spacing:-.02em;
  font-weight:800;
}
.cta p{
  margin-top:16px;
  color:rgba(226,232,244,.6);
  font-size:.96rem;
}
.cta__actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:34px}

/* ---------- 页脚 ---------- */
.foot{
  background:#060910;
  color:rgba(226,232,244,.72);
  padding:54px 0 40px;
}
.foot__inner{
  display:grid;
  grid-template-columns:1fr auto;
  gap:30px 40px;
  align-items:center;
}
.foot__brand{display:flex;align-items:center;gap:14px}
.foot__brand p{font-size:.9rem;font-weight:600;line-height:1.5}
.foot__brand em{
  display:block;
  font-style:normal;font-weight:500;font-size:.72rem;
  color:rgba(226,232,244,.4);letter-spacing:.06em;margin-top:2px;
}
.foot__links{display:flex;flex-wrap:wrap;gap:22px;font-size:.85rem}
.foot__links a{color:rgba(226,232,244,.6);transition:color .25s}
.foot__links a:hover{color:#fff}
.foot__legal{
  grid-column:1/-1;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:.78rem;
  line-height:1.9;
  color:rgba(226,232,244,.36);
}
.foot__legal p+p{margin-top:10px}

/* ---------- Toast ---------- */
.toast{
  position:fixed;
  left:50%;bottom:34px;
  transform:translate(-50%,16px);
  padding:11px 22px;
  border-radius:999px;
  background:rgba(15,21,34,.94);
  color:#fff;
  font-size:.85rem;
  box-shadow:0 16px 40px -16px rgba(0,0,0,.7);
  opacity:0;
  pointer-events:none;
  transition:opacity .3s var(--ease), transform .3s var(--ease);
  z-index:99;
  border:1px solid rgba(255,255,255,.12);
}
.toast.is-on{opacity:1;transform:translate(-50%,0)}

/* ---------- 滚动揭示 ---------- */
.js [data-reveal]{
  opacity:0;
  transform:translateY(20px);
  transition:opacity .8s var(--ease), transform .8s var(--ease);
  will-change:opacity, transform;
}
.js [data-delay="1"]{transition-delay:.09s}
.js [data-delay="2"]{transition-delay:.18s}
.js [data-delay="3"]{transition-delay:.27s}
.js [data-delay="4"]{transition-delay:.36s}
.js [data-reveal].is-in{opacity:1;transform:none}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width:1080px){
  .hero__inner{grid-template-columns:1fr;gap:44px;padding-bottom:64px}
  .hero__stage{justify-content:center}
  .hero h1{font-size:clamp(2rem,5.6vw,3rem)}
  .hero__lede{max-width:44em}
  .float-tag--green{left:2%}
  .float-tag--indigo{right:2%}
  .dims{grid-template-columns:1fr;gap:20px}
  .dims__chart svg{max-width:290px}
  .start{grid-template-columns:1fr}
  .scan{order:-1}
}

@media (max-width:900px){
  .bento{grid-template-columns:repeat(6,1fr)}
  .card,.card--lg,.card--half{grid-column:span 6}
  .card--lg{grid-column:span 6}
  .loop{grid-template-columns:1fr 1fr;gap:26px 24px}
  .loop__step:nth-child(2)::before{display:none}
  .pillars{grid-template-columns:1fr;gap:24px}
  .choose{grid-template-columns:1fr}
  .nav__links{display:none}
  .foot__inner{grid-template-columns:1fr}
  .foot__links{gap:18px}
}

@media (max-width:720px){
  .nav{padding:12px 0}
  .brand__text em{display:none}
  .hero{padding-top:108px}
  .hero__meta{gap:20px;justify-content:space-between}
  .hero__meta strong{font-size:1.45rem}
  .hero__actions .btn{flex:1 1 100%}
  .phone{margin:0}
  .phone--a{margin-right:-30px}
  .float-tag{display:none}
  .marquee{padding:14px 0}
  .marquee__track span{font-size:.8rem}

  .shots{
    flex-wrap:nowrap;
    overflow-x:auto;
    justify-content:flex-start;
    gap:14px;
    padding:6px 24px 18px;
    margin-left:-24px;
    margin-right:-24px;
    scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
  }
  .shots::-webkit-scrollbar{display:none}
  .shots{--pw:min(40vw,180px)}
  .shots--panel{
    flex-wrap:wrap;
    overflow:visible;
    margin-left:0;
    margin-right:0;
    padding:22px 14px;
    gap:18px;
    --pw:min(41vw,190px);
  }
  .shot{scroll-snap-align:center;flex:0 0 auto}
  .shot--up{margin-top:0}
  .shots--focus{flex-wrap:wrap;overflow:visible;padding:0;margin-left:0;margin-right:0;justify-content:center;gap:14px;--pw:min(40vw,175px)}
  .note-card{max-width:none;flex:1 1 100%}

  .loop{grid-template-columns:1fr;gap:24px}
  .loop__step{padding-top:38px}
  .loop__step::before{display:none}
  .loop__step h3{padding-left:0}

  .dims{padding:22px 18px}
  .dims__list li{grid-template-columns:78px 1fr;gap:10px}
  .library{padding:22px 18px}
  .chips li{font-size:.82rem;padding:7px 12px}

  .cta__actions .btn{flex:1 1 100%}
  .foot{padding:40px 0 32px}
  .scan__cards{gap:12px}
}

@media (max-width:420px){
  .hero h1{font-size:1.85rem}
  .hero__meta li span{font-size:.72rem}
  .card{padding:22px 20px}
  .qr__fallback{font-size:.62rem}
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .js [data-reveal]{opacity:1;transform:none}
  .phone,.hero__stage:hover .phone--a,.hero__stage:hover .phone--b{transform:none}
  .phone--a{margin-right:-30px}
}