/* =========================================================
   案例详情页专用样式（依赖 style.css 的设计令牌）
   ========================================================= */

/* 顶栏：详情页没有抽屉，右侧按钮常驻 */
.c-page .nav__right{gap:10px}
@media(max-width:1080px){
  .c-page .nav__links{display:none}
  .c-page .nav__right .btn{display:inline-flex}
}
/* 🔴 窄屏顶栏三个元素（品牌文字 + CTA + 菜单按钮）会挤爆：
   390px 溢出 15.6px、360px 溢出 45.6px，菜单按钮被压扁成小方块。
   只留 logo 图标（40px 宽）并收紧 gap —— 品牌识别靠图形，文字让位给转化按钮。 */
@media(max-width:600px){
  .c-page .brand__text{display:none}
  .c-page .nav__inner{gap:12px}
}
@media(max-width:560px){
  .c-page .nav__right .btn--ghost{display:none}
}

/* ---------- 面包屑 ---------- */
.c-crumbs{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted);margin-bottom:34px;flex-wrap:wrap}
.c-crumbs a{transition:color .25s}
.c-crumbs a:hover{color:var(--coral)}
.c-crumbs span{opacity:.5}
.c-crumbs em{font-style:normal;color:var(--ink);font-weight:700}

/* ---------- 案例头图 ---------- */
.c-hero{position:relative;padding:132px 0 88px;z-index:2}
.c-hero__grid{display:grid;grid-template-columns:1.32fr .68fr;gap:52px;align-items:start}
@media(max-width:980px){.c-hero__grid{grid-template-columns:1fr;gap:40px}}

.c-hero__title{font-size:clamp(32px,5.2vw,58px);line-height:1.1;font-weight:850;letter-spacing:-.03em;margin-bottom:16px;text-wrap:balance}
.c-hero__client{font-size:13.5px;color:var(--muted);font-weight:650;margin-bottom:22px}
.c-hero__main .lead b{color:var(--coral);font-weight:800}
.c-hero__cta{display:flex;gap:13px;flex-wrap:wrap;margin-top:32px}
.c-hero__hint{margin-top:20px;font-size:12.5px;color:var(--muted);line-height:1.7;max-width:560px;padding-left:14px;border-left:2px solid rgba(79,70,229,.22)}

.c-hero__side{display:flex;flex-direction:column;gap:16px}
.c-fact{padding:24px 26px;border-radius:var(--r-m);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-s)}
.c-fact h4{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--muted);margin-bottom:16px;text-transform:uppercase}
.c-fact ul{display:flex;flex-direction:column;gap:11px}
.c-fact li{position:relative;padding-left:20px;font-size:13.5px;color:var(--ink-2);line-height:1.62}
.c-fact li::before{content:"";position:absolute;left:0;top:7px;width:7px;height:7px;border-radius:50%;background:rgba(11,107,255,.55)}
.c-fact--hot{background:linear-gradient(150deg,rgba(232,241,255,.95),rgba(237,243,255,.95));border-color:rgba(11,107,255,.2)}
.c-fact--hot h4{color:var(--coral)}
.c-kpi-row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.c-kpi-row + .c-kpi-row{margin-top:16px;padding-top:16px;border-top:1px dashed rgba(11,22,40,.12)}
.c-kpi-row div{display:flex;flex-direction:column;gap:3px}
.c-kpi-row b{font-size:28px;font-weight:850;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.c-kpi-row span{font-size:11.5px;color:var(--muted)}

/* ---------- 痛点卡 ---------- */
.c-pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:1080px){.c-pain-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.c-pain-grid{grid-template-columns:1fr}}

.c-pain{
  position:relative;padding:28px 24px;border-radius:var(--r-m);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:transform .35s var(--ease),box-shadow .4s var(--ease),border-color .4s;
}
.c-pain:hover{transform:translateY(-5px);box-shadow:var(--shadow-m);border-color:rgba(11,107,255,.28)}
.c-pain__no{font-family:var(--mono);font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--coral);display:block;margin-bottom:14px}
.c-pain h3{font-size:17px;line-height:1.4;margin-bottom:11px;font-weight:800}
.c-pain p{font-size:13.5px;color:var(--ink-2);line-height:1.75}
.c-pain__fix{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:12.5px;line-height:1.65;color:var(--violet);font-weight:650;
}

/* ---------- 模块卡 ---------- */
.c-mod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:1080px){.c-mod-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.c-mod-grid{grid-template-columns:1fr}}

.c-mod{
  position:relative;padding:28px 26px;border-radius:var(--r-m);overflow:hidden;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:transform .35s var(--ease),box-shadow .4s var(--ease),border-color .4s;
}
.c-mod::before{content:"";position:absolute;inset:0 auto auto 0;width:100%;height:3px;background:var(--grad-btn);opacity:0;transition:opacity .4s}
.c-mod:hover{transform:translateY(-5px);box-shadow:var(--shadow-m);border-color:rgba(79,70,229,.26)}
.c-mod:hover::before{opacity:1}
.c-mod__idx{
  display:inline-block;font-family:var(--mono);font-size:11.5px;font-weight:800;letter-spacing:.1em;
  color:#fff;background:var(--grad-btn);padding:4px 11px;border-radius:99px;margin-bottom:15px;
}
.c-mod h3{font-size:18px;line-height:1.36;margin-bottom:11px;font-weight:800}
.c-mod p{font-size:13.5px;color:var(--ink-2);line-height:1.78}
.c-mod ul{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.c-mod li{font-size:11.5px;font-weight:650;color:var(--violet);background:rgba(79,70,229,.08);border:1px solid rgba(79,70,229,.16);padding:4px 10px;border-radius:99px}
.c-mod--wide p{font-size:14.5px}

/* 宽卡在四列网格里横跨两列 */
@media(min-width:1081px){
  .c-mod--wide{grid-column:span 2}
}
@media(max-width:620px){
  .c-mod--wide{grid-column:auto}
}

/* ---------- FDE 步骤 ---------- */
.c-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.c-steps::before{content:"";position:absolute;left:0;right:0;top:26px;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.34),transparent)}
@media(max-width:1080px){.c-steps{grid-template-columns:repeat(2,1fr)}.c-steps::before{display:none}}
@media(max-width:620px){.c-steps{grid-template-columns:1fr}}

.c-step{position:relative;padding-top:56px}
.c-step__no{
  position:absolute;top:0;left:0;width:52px;height:52px;border-radius:16px;
  display:grid;place-items:center;font-family:var(--mono);font-size:16px;font-weight:800;
  color:#fff;background:linear-gradient(140deg,#0B6BFF,#6366F1);
  box-shadow:0 14px 32px -14px rgba(11,107,255,.7);
}
.c-step h3{font-size:17.5px;margin-bottom:11px;font-weight:800;color:#fff}
.c-step p{font-size:13.5px;line-height:1.78;color:var(--deep-muted)}

/* ---------- 演示入口 ---------- */
.c-demo{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  padding:56px 52px;
  background:linear-gradient(140deg,#0A1A38 0%,#14294F 48%,#1B3A6B 100%);
  color:var(--deep-ink);
}
.c-demo__glow{position:absolute;width:640px;height:640px;border-radius:50%;filter:blur(100px);background:radial-gradient(circle,rgba(11,107,255,.4),rgba(99,102,241,.26) 46%,transparent 70%);top:-280px;right:-160px;pointer-events:none}
.c-demo__body{position:relative;z-index:1;max-width:820px}
.c-demo .eyebrow{color:#fff;background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.22)}
.c-demo h2{font-size:clamp(26px,3.6vw,40px);color:#fff;margin-bottom:18px;font-weight:850;letter-spacing:-.02em}
.c-demo > .c-demo__body > p{font-size:15.5px;line-height:1.8;color:var(--deep-muted)}
.c-demo__tip{display:flex;flex-direction:column;gap:11px;margin:26px 0 32px}
.c-demo__tip li{position:relative;padding-left:24px;font-size:14px;line-height:1.7;color:rgba(232,241,255,.86)}
.c-demo__tip li::before{
  content:"";position:absolute;left:0;top:8px;width:14px;height:14px;border-radius:50%;
  background:rgba(46,139,255,.28);
}
.c-demo__tip li::after{
  content:"";position:absolute;left:4.4px;top:11.6px;width:4.6px;height:2.4px;
  border-left:1.7px solid #00D8FF;border-bottom:1.7px solid #00D8FF;transform:rotate(-45deg);
}
.c-demo__acts{display:flex;gap:13px;flex-wrap:wrap}
.c-demo .btn--ghost{color:#fff;background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3)}
.c-demo .btn--ghost:hover{background:rgba(255,255,255,.2);box-shadow:none}
@media(max-width:640px){
  .c-hero{padding:112px 0 66px}
  .c-demo{padding:38px 24px}
  .c-fact{padding:20px 20px}
}

/* ---------- 页脚列宽（详情页只有 3 列；首页案例模块后为 5 列） ---------- */
.c-page .foot__cols{grid-template-columns:1.1fr 1fr 1fr}
.index-page .foot__cols{grid-template-columns:1.35fr 1fr .9fr 1fr .85fr;gap:22px}
@media(max-width:860px){
  .c-page .foot__cols{grid-template-columns:1fr 1fr}
  .index-page .foot__cols{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:560px){
  .c-page .foot__cols{grid-template-columns:1fr}
  .index-page .foot__cols{grid-template-columns:1fr}
}
/* =========================================================
   手环模拟器：按钮 + 专项说明面板
   ========================================================= */

/* 手环按钮：区别于普通 ghost 按钮，视觉上要能一眼认出「这是个独立端」 */
.btn--band{
  color:#fff;background:linear-gradient(135deg,#1E3A6E,#2F5FA8);
  border:1px solid rgba(120,180,255,.45);
  box-shadow:0 14px 34px -16px rgba(30,58,110,.7);
}
.btn--band::after{
  content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;
  background:linear-gradient(135deg,#2F5FA8,#4C7FD4);opacity:0;transition:opacity .45s;
}
.btn--band:hover{transform:translateY(-2px);box-shadow:0 22px 48px -18px rgba(47,95,168,.75)}
.btn--band:hover::after{opacity:1}
.btn--band .btn__ico-band{width:19px;height:19px}
.btn--band em{
  font-style:normal;font-size:11px;font-weight:700;letter-spacing:.04em;
  padding:3px 8px;border-radius:99px;background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.24);
}
.btn--band:hover svg{transform:none}
.btn--lg{padding:17px 30px;font-size:16.5px}

/* 深色演示区里的手环按钮要更亮 */
.c-demo .btn--band{color:#0E2A52;background:linear-gradient(135deg,#CFE3FF,#8FC0FF);border-color:transparent;box-shadow:0 14px 34px -16px rgba(0,0,0,.5)}
.c-demo .btn--band::after{background:linear-gradient(135deg,#8FC0FF,#CFE3FF)}
.c-demo .btn--band em{background:rgba(14,42,82,.14);border-color:rgba(14,42,82,.18);color:#0E2A52}
.c-demo .btn--band:hover{box-shadow:0 22px 48px -18px rgba(0,0,0,.6)}

/* ---------- 手环专项面板 ---------- */
.band-panel{
  margin-top:30px;display:grid;grid-template-columns:.62fr 1.38fr;gap:0;
  border-radius:var(--r-xl);overflow:hidden;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-m);
}
@media(max-width:900px){.band-panel{grid-template-columns:1fr}}

/* 左侧：手环示意图 */
.band-panel__viz{
  position:relative;min-height:340px;display:grid;place-items:center;overflow:hidden;
  background:radial-gradient(ellipse at 50% 35%,#1B2E52 0%,#0D1526 70%);
}
.band-watch{position:relative;width:132px;transform:rotate(-8deg)}
.band-watch__strap{
  position:absolute;left:50%;top:-46px;transform:translateX(-50%);
  width:76px;height:58px;border-radius:12px 12px 0 0;
  background:linear-gradient(180deg,#2A3E63,#1B2C4A);
  box-shadow:inset 0 2px 6px rgba(255,255,255,.08);
}
.band-watch__strap::after{
  content:"";position:absolute;left:50%;top:100%;transform:translateX(-50%);
  width:76px;height:58px;border-radius:0 0 12px 12px;
  background:linear-gradient(0deg,#2A3E63,#1B2C4A);
  box-shadow:inset 0 -2px 6px rgba(255,255,255,.06);
}
.band-watch__face{
  position:relative;width:132px;height:152px;border-radius:26px;z-index:1;
  background:linear-gradient(165deg,#20355C,#0F1D36);
  border:2px solid #3A5580;
  box-shadow:0 18px 44px rgba(0,0,0,.5),inset 0 0 34px rgba(90,150,235,.12);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
}
.band-watch__time{font-family:var(--mono);font-size:27px;font-weight:300;color:#DBEAFE;letter-spacing:1px}
.band-watch__ring{width:34px;height:34px;border-radius:50%;border:3px solid #22C55E;border-top-color:transparent;animation:ringSpin 1.6s linear infinite}
@keyframes ringSpin{to{transform:rotate(360deg)}}
.band-watch__alert{
  position:absolute;top:12px;right:14px;width:24px;height:24px;border-radius:50%;
  display:grid;place-items:center;font-size:15px;font-weight:900;color:#fff;
  background:#F5222D;box-shadow:0 0 16px rgba(245,34,45,.85);
  animation:alertBlink 1s ease-in-out infinite;
}
@keyframes alertBlink{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.88)}}

/* 声波 */
.band-panel__waves{position:absolute;left:50%;bottom:58px;transform:translateX(-50%);display:flex;align-items:flex-end;gap:5px;height:26px}
.band-panel__waves i{width:3px;border-radius:99px;background:rgba(143,192,255,.6);animation:waveUp 1.3s var(--ease-2) infinite}
.band-panel__waves i:nth-child(1){height:9px;animation-delay:0s}
.band-panel__waves i:nth-child(2){height:20px;animation-delay:.18s}
.band-panel__waves i:nth-child(3){height:13px;animation-delay:.36s}
@keyframes waveUp{0%,100%{transform:scaleY(.42);opacity:.5}50%{transform:scaleY(1);opacity:1}}

/* 右侧：文案 */
.band-panel__body{padding:38px 42px 40px}
.band-panel__tag{
  display:inline-block;font-size:11.5px;font-weight:750;letter-spacing:.06em;
  padding:5px 13px;border-radius:99px;color:#2F5FA8;
  background:rgba(47,95,168,.09);border:1px solid rgba(47,95,168,.22);margin-bottom:15px;
}
.band-panel__body h3{font-size:25px;line-height:1.3;margin-bottom:13px;font-weight:820}
.band-panel__body > p{font-size:14.5px;color:var(--ink-2);line-height:1.8;margin-bottom:20px}
.band-panel__body > p b{color:var(--coral);font-weight:800}
.band-panel__feat{display:grid;grid-template-columns:1fr 1fr;gap:12px 26px;margin-bottom:22px}
@media(max-width:560px){.band-panel__feat{grid-template-columns:1fr}}
.band-panel__feat li{position:relative;padding-left:19px;font-size:13.5px;color:var(--ink-2);line-height:1.7}
.band-panel__feat li::before{
  content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;
  background:linear-gradient(135deg,#2F5FA8,#8FC0FF);
}
.band-panel__feat b{color:var(--ink);font-weight:800}
.band-panel__note{
  font-size:13px;line-height:1.75;color:var(--ink-2);
  padding:15px 18px;border-radius:var(--r-m);margin-bottom:24px;
  background:linear-gradient(135deg,rgba(47,95,168,.07),rgba(143,192,255,.09));
  border-left:3px solid #2F5FA8;
}
.band-panel__note b{color:#1E3A6E;font-weight:800}
@media(max-width:640px){
  .band-panel__body{padding:26px 22px 30px}
  .band-panel__body h3{font-size:21px}
  .band-panel__viz{min-height:250px}
}

/* ---------- 首页案例卡内的手环提示 ---------- */
.case-card__sub{
  display:flex;align-items:flex-start;gap:9px;margin-top:16px;padding:11px 14px;
  border-radius:var(--r-m);font-size:12.5px;line-height:1.6;color:#2F5FA8;
  background:linear-gradient(135deg,rgba(47,95,168,.07),rgba(143,192,255,.1));
  border:1px solid rgba(47,95,168,.16);
}
.case-card__sub svg{width:17px;height:17px;flex-shrink:0;margin-top:2px}
/* 没有 width/height 的 inline SVG 会撑满容器，必须显式约束 */
.case-card__sub span{min-width:0}
.case-card__sub b{font-weight:800;color:#1E3A6E}
@media(max-width:640px){
  .case-card__sub{font-size:12px;padding:10px 12px}
}

/* =========================================================
   文字型指标（替代数字，避免浮夸的量化表述）
   ========================================================= */
/* hero 首屏指标：原 b 是 34px 大号数字，中文文字直接用会撑破 */
.hero__facts b.hero__facts--text{
  font-size:clamp(21px,2.1vw,27px);
  letter-spacing:-.01em;
  line-height:1.22;
  white-space:nowrap;
}
/* 深色区指标：同上，降到 30px 并允许两行 */
.ent-stat b.ent-stat--text,
.ent-stat--text b{
  font-size:clamp(22px,2.4vw,31px);
  letter-spacing:-.01em;
  line-height:1.22;
}
@media(max-width:560px){
  .hero__facts b.hero__facts--text{font-size:20px}
  .ent-stat b.ent-stat--text,
  .ent-stat--text b{font-size:21px}
}