:root {
      --navy: #15191f;
      --blue: #d85f18;
      --blue-2: #ff7a1a;
      --blue-soft: #fff0e5;
      --gold: #ff8a33;
      --gold-deep: #d9570d;
      --ink: #20252c;
      --muted: #68717c;
      --line: #dfd9d2;
      --paper: #f4f1ed;
      --white: #fff;
      --orange: #ff7a1a;
      --shadow: 0 22px 55px rgba(40, 34, 29, .12);
      --radius-lg: 30px;
      --radius-md: 22px;
      --shell: min(1180px, calc(100% - 40px));
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background:
        radial-gradient(circle at 8% 1%, rgba(255, 122, 26, .09), transparent 25rem),
        linear-gradient(180deg, #faf8f5 0, #fff 34rem, var(--paper) 100%);
      font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      -webkit-font-smoothing: antialiased;
    }

    a { color: inherit; text-decoration: none; }
    button { font: inherit; }
    img { display: block; max-width: 100%; }
    section[id] { scroll-margin-top: 118px; }

    .skip-link {
      position: fixed;
      z-index: 1000;
      top: 10px;
      left: 10px;
      padding: 10px 14px;
      color: #fff;
      background: var(--navy);
      border-radius: 10px;
      transform: translateY(-150%);
    }
    .skip-link:focus { transform: translateY(0); }

    .shell { width: var(--shell); margin-inline: auto; }
    .section { padding: 96px 0; }
    .section-head { max-width: 760px; margin-bottom: 42px; }
    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      margin: 0 0 14px;
      color: var(--blue);
      font-size: 14px;
      font-weight: 800;
      letter-spacing: .08em;
    }
    .section-kicker::before {
      width: 24px;
      height: 3px;
      content: "";
      background: var(--gold-deep);
      border-radius: 99px;
    }
    .section-head h2 {
      margin: 0;
      font-size: clamp(31px, 4vw, 48px);
      line-height: 1.18;
      letter-spacing: -.04em;
    }
    .section-head > p:last-child {
      margin: 17px 0 0;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.85;
    }

    .site-header {
      position: sticky;
      z-index: 100;
      top: 0;
      border-bottom: 1px solid rgba(31, 35, 41, .1);
      background: rgba(255, 255, 255, .92);
      backdrop-filter: blur(18px);
    }
    .app-topbar { color: #f4f0eb; background: #111419; }
    .app-topbar-inner {
      min-height: 38px;
      display: flex;
      align-items: center;
      gap: 16px;
      font-size: 12px;
    }
    .app-topbar-brand { display: inline-flex; align-items: center; gap: 8px; }
    .app-topbar-brand img { width: 24px; height: 24px; padding: 2px; background: #fff; border-radius: 7px; }
    .app-topbar-brand strong { font-size: 12px; }
    .app-topbar-copy { color: #989fa9; }
    .app-topbar-inner > a { margin-left: auto; color: #ff9750; font-weight: 800; }
    .app-topbar-inner > a:hover { color: #ffb27e; }
    .nav-wrap {
      min-height: 70px;
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      flex: 0 0 auto;
    }
    .brand-mark {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--gold);
      border-radius: 13px;
      font-size: 17px;
      font-weight: 900;
      box-shadow: inset 0 -5px 12px rgba(167, 67, 8, .2);
    }
    .brand-copy { display: grid; gap: 1px; }
    .brand-copy strong { font-size: 17px; letter-spacing: .02em; }
    .brand-copy small { color: var(--muted); font-size: 11px; }
    .main-nav {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 20px;
      margin-left: auto;
      font-size: 14px;
      font-weight: 700;
    }
    .main-nav a { padding: 25px 0; color: #41464d; }
    .main-nav a:hover { color: var(--blue); }
    .nav-actions { display: flex; align-items: center; gap: 10px; }

    .button {
      min-height: 48px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      padding: 0 20px;
      border: 1px solid transparent;
      border-radius: 14px;
      cursor: pointer;
      font-size: 14px;
      font-weight: 800;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
    }
    .button:hover { transform: translateY(-2px); }
    .button:focus-visible,
    a:focus-visible,
    summary:focus-visible {
      outline: 3px solid rgba(255, 122, 26, .28);
      outline-offset: 3px;
    }
    .button-primary {
      color: #fff;
      background: linear-gradient(135deg, #343a43, var(--navy));
      box-shadow: 0 12px 28px rgba(21, 25, 31, .2);
    }
    .button-gold {
      color: #fff;
      background: linear-gradient(135deg, #ff9447, var(--blue-2));
      box-shadow: 0 12px 28px rgba(216, 95, 24, .22);
    }
    .button-outline {
      color: var(--ink);
      background: #fff;
      border-color: #d4cdc5;
    }
    .button-download {
      color: #fff;
      background: linear-gradient(135deg, #ff9143, #ed6817);
      border-color: rgba(255, 255, 255, .12);
      box-shadow: 0 12px 30px rgba(216, 89, 13, .28);
    }
    .button-ip {
      color: #2b2f35;
      background: #fff4eb;
      border-color: #f1c7aa;
    }
    .button-ip span {
      display: grid;
      width: 27px;
      height: 27px;
      place-items: center;
      color: #fff;
      background: var(--orange);
      border-radius: 8px;
      font-size: 10px;
      font-weight: 900;
    }
    .button-ip:hover { background: #ffe8d7; box-shadow: 0 10px 24px rgba(216, 95, 24, .12); }
    .button-link { min-height: auto; padding: 10px 4px; color: var(--blue); background: transparent; }

    .hero {
      position: relative;
      overflow: hidden;
      padding: 82px 0 72px;
      color: #fff;
      background:
        radial-gradient(circle at 76% 24%, rgba(255, 122, 26, .2), transparent 20rem),
        radial-gradient(circle at 96% 95%, rgba(177, 96, 48, .15), transparent 24rem),
        linear-gradient(135deg, #0d1014 0%, #1c2128 55%, #323842 100%);
    }
    .hero::before {
      position: absolute;
      inset: 0;
      content: "";
      opacity: .15;
      background-image:
        linear-gradient(rgba(255,255,255,.15) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.15) 1px, transparent 1px);
      background-size: 40px 40px;
      mask-image: linear-gradient(to right, transparent, #000 35%, #000);
    }
    .hero-grid {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(360px, .72fr);
      align-items: center;
      gap: 65px;
    }
    .hero-kicker {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      margin: 0 0 18px;
      padding: 8px 12px;
      color: #ffb681;
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .16);
      border-radius: 999px;
      font-size: 13px;
      font-weight: 800;
    }
    .hero-kicker span {
      width: 7px;
      height: 7px;
      background: var(--gold);
      border-radius: 50%;
      box-shadow: 0 0 0 5px rgba(255, 122, 26, .14);
    }
    .hero h1 {
      max-width: 760px;
      margin: 0;
      font-size: clamp(42px, 5.25vw, 64px);
      line-height: 1.08;
      letter-spacing: -.055em;
    }
    .hero h1 em { color: var(--gold); font-style: normal; }
    .keep { white-space: nowrap; }
    .hero-lead {
      max-width: 680px;
      margin: 25px 0 0;
      color: rgba(255, 255, 255, .82);
      font-size: clamp(17px, 2vw, 20px);
      line-height: 1.85;
    }
    .hero-principle {
      margin: 22px 0 0;
      padding-left: 15px;
      color: #fff;
      border-left: 3px solid var(--gold);
      font-size: 16px;
      font-weight: 800;
    }
    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin: 25px 0 0;
    }
    .hero-tags span {
      padding: 8px 12px;
      color: rgba(255,255,255,.88);
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .13);
      border-radius: 999px;
      font-size: 13px;
    }
    .hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 31px; }
    .hero-actions .button-outline { color: #fff; background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.3); }
    .hero-actions .button-link { color: #ffb17a; }
    .hero-credentials {
      max-width: 720px;
      margin: 30px 0 0;
      padding-top: 22px;
      color: rgba(255, 255, 255, .64);
      border-top: 1px solid rgba(255, 255, 255, .13);
      font-size: 13px;
      line-height: 1.8;
    }

    .hero-side { display: grid; gap: 14px; }
    .app-download-card {
      display: grid;
      grid-template-columns: 58px 1fr auto;
      align-items: center;
      gap: 15px;
      padding: 17px;
      color: #fff;
      background: linear-gradient(135deg, #ff8b39, #dd570d);
      border: 1px solid rgba(255,255,255,.18);
      border-radius: 21px;
      box-shadow: 0 18px 45px rgba(169, 64, 5, .25);
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .app-download-card:hover { transform: translateY(-3px); box-shadow: 0 24px 55px rgba(169, 64, 5, .34); }
    .app-download-card img { width: 58px; height: 58px; padding: 5px; background: #fff; border-radius: 15px; }
    .app-download-card span { display: grid; }
    .app-download-card small { color: rgba(255,255,255,.72); font-size: 11px; font-weight: 800; }
    .app-download-card strong { margin-top: 2px; font-size: 19px; }
    .app-download-card em { margin-top: 4px; color: rgba(255,255,255,.78); font-size: 11px; font-style: normal; }
    .app-download-card b { font-size: 25px; }

    .path-panel {
      position: relative;
      padding: 25px;
      color: #f5f2ee;
      background: rgba(34, 39, 47, .97);
      border: 1px solid rgba(255, 255, 255, .12);
      border-radius: 28px;
      box-shadow: 0 28px 70px rgba(0, 0, 0, .28);
    }
    .path-panel::after {
      position: absolute;
      z-index: -1;
      right: -14px;
      bottom: -14px;
      width: 70%;
      height: 70%;
      content: "";
      border: 2px solid rgba(255, 122, 26, .4);
      border-radius: 28px;
    }
    .path-panel-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 18px; margin-bottom: 18px; }
    .path-panel-head p { margin: 0; color: #ff9e5b; font-size: 12px; font-weight: 800; }
    .path-panel-head h2 { margin: 5px 0 0; font-size: 24px; line-height: 1.3; }
    .path-duration { padding: 7px 9px; color: #ffd3b5; background: rgba(255, 122, 26, .13); border: 1px solid rgba(255, 122, 26, .24); border-radius: 9px; font-size: 11px; font-weight: 800; white-space: nowrap; }
    .path-list { display: grid; gap: 11px; }
    .path-step {
      position: relative;
      display: grid;
      grid-template-columns: 48px 1fr;
      gap: 13px;
      align-items: center;
      padding: 15px;
      background: #2b3139;
      border: 1px solid #3b424c;
      border-radius: 17px;
    }
    .path-step:not(:last-child)::after {
      position: absolute;
      z-index: 2;
      bottom: -15px;
      left: 37px;
      width: 2px;
      height: 17px;
      content: "";
      background: rgba(255, 122, 26, .42);
    }
    .path-number {
      width: 48px;
      height: 48px;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, #ff8f40, #cf4d09);
      border-radius: 15px;
      font-size: 13px;
      font-weight: 900;
    }
    .path-step strong { display: block; color: #fff; font-size: 16px; }
    .path-step small { display: block; margin-top: 4px; color: #aeb5bf; line-height: 1.5; }
    .path-outcome {
      margin: 17px 0 0;
      padding: 13px 15px;
      color: #ffd2b4;
      background: linear-gradient(90deg, #362921, #302a26);
      border: 1px solid rgba(255, 122, 26, .16);
      border-radius: 13px;
      font-size: 13px;
      font-weight: 800;
      line-height: 1.65;
    }

    .trust-row {
      position: relative;
      z-index: 5;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      margin-top: -25px;
      background: #fff;
      border: 1px solid rgba(112, 75, 49, .15);
      border-radius: 20px;
      box-shadow: var(--shadow);
    }
    .trust-item { display: flex; align-items: center; gap: 14px; padding: 22px 26px; }
    .trust-item + .trust-item { border-left: 1px solid var(--line); }
    .trust-icon {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      color: var(--blue);
      background: var(--blue-soft);
      border-radius: 14px;
      font-weight: 900;
    }
    .trust-item strong { display: block; font-size: 15px; }
    .trust-item small { display: block; margin-top: 3px; color: var(--muted); line-height: 1.5; }

    .experience {
      position: relative;
      overflow: hidden;
      margin-top: 54px;
      color: #fff;
      background:
        radial-gradient(circle at 88% 8%, rgba(255, 122, 26, .18), transparent 30rem),
        radial-gradient(circle at 3% 80%, rgba(255, 151, 80, .07), transparent 24rem),
        #111419;
    }
    .experience::after {
      position: absolute;
      right: -190px;
      bottom: -250px;
      width: 560px;
      height: 560px;
      content: "";
      border: 1px solid rgba(255, 122, 26, .14);
      border-radius: 50%;
      box-shadow: 0 0 0 72px rgba(255, 122, 26, .022), 0 0 0 144px rgba(255, 122, 26, .014);
    }
    .experience .shell { position: relative; z-index: 1; }
    .experience-head { max-width: 920px; margin-bottom: 42px; }
    .experience-head .section-kicker { color: #ff9b58; }
    .experience-head h2 { margin: 0; max-width: 900px; font-size: clamp(33px, 4.4vw, 54px); line-height: 1.16; letter-spacing: -.045em; }
    .experience-head > p:last-child { max-width: 820px; margin: 18px 0 0; color: #aeb5bf; font-size: 17px; line-height: 1.85; }
    .experience-badge { display: inline-flex; padding: 8px 12px; color: #ffae77; background: rgba(255,122,26,.1); border: 1px solid rgba(255,122,26,.24); border-radius: 999px; font-size: 12px; font-weight: 900; letter-spacing: .06em; }

    .lesson-feature {
      display: grid;
      grid-template-columns: 1fr minmax(300px, 390px);
      gap: clamp(34px, 6vw, 76px);
      align-items: center;
      padding: clamp(26px, 4vw, 48px);
      background: linear-gradient(130deg, rgba(255,255,255,.075), rgba(255,255,255,.025));
      border: 1px solid rgba(255, 151, 80, .28);
      border-radius: 30px;
      box-shadow: 0 28px 70px rgba(0,0,0,.25);
    }
    .lesson-feature-copy { max-width: 590px; }
    .lesson-number { margin: 24px 0 0; color: #ff9450; font-size: 12px; font-weight: 900; letter-spacing: .12em; }
    .lesson-feature-copy h3 { margin: 10px 0 0; font-size: clamp(30px, 3.9vw, 48px); line-height: 1.18; letter-spacing: -.04em; }
    .lesson-feature-copy > p:not(.lesson-number) { margin: 18px 0 0; color: #aeb5bf; font-size: 16px; line-height: 1.85; }
    .lesson-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 25px; }
    .lesson-tags span { padding: 9px 12px; color: #d9dde2; background: rgba(255,255,255,.065); border: 1px solid rgba(255,255,255,.1); border-radius: 999px; font-size: 12px; font-weight: 700; }

    .lesson-video { position: relative; overflow: hidden; margin: 0; background: #080a0d; border: 1px solid rgba(255, 151, 80, .32); border-radius: 22px; box-shadow: 0 20px 45px rgba(0,0,0,.32); }
    .lesson-video video { display: block; width: 100%; aspect-ratio: 9 / 16; object-fit: cover; background: #080a0d; }
    .lesson-video figcaption { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 42px; padding: 10px 13px; color: #969eaa; background: #171b21; font-size: 11px; line-height: 1.4; }
    .lesson-video figcaption span { color: #ff9852; font-weight: 900; }
    .lesson-video-feature { width: 100%; max-width: 360px; justify-self: end; }

    .lesson-promo-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-top: 22px; }
    .lesson-promo-card { overflow: hidden; display: flex; flex-direction: column; min-width: 0; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.09); border-radius: 22px; }
    .lesson-promo-card .lesson-video { border: 0; border-bottom: 1px solid rgba(255,255,255,.08); border-radius: 0; box-shadow: none; }
    .lesson-card-copy { flex: 1; padding: 20px; }
    .lesson-card-copy > span { display: grid; width: 38px; height: 38px; place-items: center; color: #ff9852; background: #28231f; border: 1px solid rgba(255,122,26,.24); border-radius: 12px; font-size: 11px; font-weight: 900; }
    .lesson-card-copy h3 { margin: 16px 0 0; font-size: 20px; line-height: 1.35; }
    .lesson-card-copy p { margin: 10px 0 0; color: #969eaa; font-size: 13px; line-height: 1.75; }
    .lesson-cta { display: flex; align-items: center; justify-content: space-between; gap: 28px; margin-top: 24px; padding: 25px 28px; background: linear-gradient(90deg, #24201d, #201b18); border: 1px solid rgba(255,122,26,.22); border-radius: 20px; }
    .lesson-cta strong { display: block; font-size: 18px; }
    .lesson-cta span { display: block; margin-top: 6px; color: #969eaa; font-size: 13px; line-height: 1.6; }
    .lesson-cta .button { flex: 0 0 auto; min-width: 210px; }

    .course-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
    .course-card {
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      min-height: 100%;
      padding: 28px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      box-shadow: 0 14px 38px rgba(50, 39, 31, .07);
    }
    .course-card::before { position: absolute; inset: 0 0 auto; height: 5px; content: ""; background: var(--course-color, var(--blue)); }
    .course-card:nth-child(2) { --course-color: #c67840; }
    .course-card:nth-child(3) { --course-color: #8d6650; }
    .course-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
    .course-index {
      width: 56px;
      height: 56px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      color: #fff;
      background: var(--course-color, var(--blue));
      border-radius: 17px;
      font-size: 13px;
      font-weight: 900;
    }
    .course-stage { padding: 7px 10px; color: var(--course-color, var(--blue)); background: color-mix(in srgb, var(--course-color, var(--blue)) 9%, white); border-radius: 999px; font-size: 12px; font-weight: 800; }
    .course-card h3 { margin: 22px 0 0; font-size: 24px; line-height: 1.32; }
    .course-for { min-height: 78px; margin: 13px 0 0; color: var(--muted); font-size: 15px; line-height: 1.75; }
    .course-label { margin: 24px 0 11px; color: var(--blue); font-size: 12px; font-weight: 900; letter-spacing: .09em; }
    .course-list { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
    .course-list li { position: relative; padding-left: 20px; color: #41464d; font-size: 14px; line-height: 1.55; }
    .course-list li::before {
      position: absolute;
      top: .5em;
      left: 0;
      width: 8px;
      height: 8px;
      content: "";
      background: var(--course-color, var(--blue));
      border: 3px solid color-mix(in srgb, var(--course-color, var(--blue)) 17%, white);
      border-radius: 50%;
    }
    .course-result {
      margin-top: auto;
      padding-top: 25px;
    }
    .course-result div {
      padding: 16px;
      color: #454a50;
      background: #faf7f4;
      border: 1px solid #e9e1d9;
      border-radius: 15px;
      font-size: 13px;
      line-height: 1.65;
    }
    .course-result strong { display: block; margin-bottom: 4px; color: var(--course-color, var(--blue)); font-size: 12px; }

    .route-section { padding-top: 0; }
    .route-panel {
      display: grid;
      grid-template-columns: .72fr 1.28fr;
      gap: 38px;
      padding: 42px;
      background: linear-gradient(135deg, #fbf1e9, #fff 64%);
      border: 1px solid #ead7c7;
      border-radius: var(--radius-lg);
    }
    .route-intro h2 { margin: 0; font-size: clamp(29px, 3vw, 40px); line-height: 1.2; letter-spacing: -.035em; }
    .route-intro p { margin: 15px 0 0; color: var(--muted); line-height: 1.8; }
    .route-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .route-option { padding: 21px; background: #fff; border: 1px solid #e7ddd4; border-radius: 17px; }
    .route-option span { color: var(--gold-deep); font-size: 30px; font-weight: 900; line-height: 1; }
    .route-option h3 { margin: 14px 0 7px; font-size: 16px; }
    .route-option p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }

    .philosophy {
      position: relative;
      overflow: hidden;
      color: #fff;
      background: linear-gradient(135deg, #101318, #2b3038);
    }
    .philosophy::after {
      position: absolute;
      right: -180px;
      bottom: -300px;
      width: 620px;
      height: 620px;
      content: "";
      border: 100px solid rgba(255, 122, 26, .09);
      border-radius: 50%;
    }
    .philosophy-grid { position: relative; z-index: 2; display: grid; grid-template-columns: .95fr 1.05fr; gap: 60px; align-items: start; }
    .philosophy-copy .section-kicker { color: #ffab71; }
    .philosophy-copy h2 { margin: 0; font-size: clamp(34px, 4vw, 52px); line-height: 1.18; letter-spacing: -.045em; }
    .philosophy-copy > p { margin: 22px 0 0; color: rgba(255,255,255,.73); font-size: 16px; line-height: 1.9; }
    .big-quote {
      margin: 33px 0 0;
      padding: 22px 0 0 24px;
      color: #ffd9bf;
      border-top: 1px solid rgba(255,255,255,.15);
      border-left: 4px solid var(--gold);
      font-size: clamp(19px, 2.2vw, 27px);
      font-weight: 800;
      line-height: 1.6;
    }
    .principle-grid { display: grid; gap: 13px; }
    .principle-card { padding: 23px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); border-radius: 18px; backdrop-filter: blur(10px); }
    .principle-card span { display: inline-grid; width: 34px; height: 34px; place-items: center; color: #fff; background: var(--gold); border-radius: 10px; font-size: 12px; font-weight: 900; }
    .principle-card h3 { display: inline; margin-left: 10px; font-size: 17px; }
    .principle-card p { margin: 11px 0 0 45px; color: rgba(255,255,255,.68); font-size: 14px; line-height: 1.7; }

    .creator-section {
      background:
        radial-gradient(circle at 12% 12%, rgba(255, 122, 26, .11), transparent 28rem),
        linear-gradient(180deg, #f6f2ed, #fff);
    }
    .creator-panel {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: .96fr 1.04fr;
      gap: 62px;
      padding: 54px;
      color: #fff;
      background: linear-gradient(135deg, #0e1115 0%, #1c2128 58%, #3b302b 100%);
      border: 1px solid rgba(255, 139, 57, .32);
      border-radius: 34px;
      box-shadow: 0 28px 70px rgba(27, 23, 20, .22);
    }
    .creator-panel::before {
      position: absolute;
      right: -180px;
      bottom: -250px;
      width: 560px;
      height: 560px;
      content: "";
      border: 92px solid rgba(255, 122, 26, .08);
      border-radius: 50%;
    }
    .creator-profile, .creator-feed { position: relative; z-index: 1; }
    .creator-kicker {
      display: flex;
      align-items: center;
      gap: 10px;
      margin: 0 0 24px;
      color: #ffc39a;
      font-size: 14px;
      font-weight: 800;
      letter-spacing: .05em;
    }
    .creator-kicker span {
      padding: 6px 10px;
      color: #fff;
      background: var(--orange);
      border-radius: 9px;
      letter-spacing: 0;
    }
    .creator-ident { display: flex; align-items: center; gap: 17px; }
    .creator-avatar {
      width: 76px;
      height: 76px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      color: #fff;
      background: linear-gradient(145deg, #ff8b39, #bb4508);
      border: 4px solid rgba(255, 255, 255, .16);
      border-radius: 22px;
      font-size: 24px;
      font-weight: 900;
    }
    .creator-ident div { display: grid; gap: 5px; }
    .creator-ident small { color: rgba(255,255,255,.58); font-size: 13px; }
    .creator-ident strong { font-size: 25px; }
    .creator-profile h2 { margin: 28px 0 0; font-size: clamp(37px, 4.3vw, 55px); line-height: 1.12; letter-spacing: -.045em; }
    .creator-summary { max-width: 510px; margin: 20px 0 0; color: rgba(255,255,255,.72); font-size: 16px; line-height: 1.85; }
    .douyin-handle {
      display: grid;
      grid-template-columns: auto 1fr;
      align-items: center;
      gap: 4px 18px;
      margin-top: 27px;
      padding: 18px 20px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.14);
      border-left: 4px solid var(--orange);
      border-radius: 16px;
    }
    .douyin-handle > span { color: #ffb47f; font-size: 13px; font-weight: 800; }
    .douyin-handle code { font-family: inherit; font-size: 24px; font-weight: 900; letter-spacing: .02em; }
    .douyin-handle small { grid-column: 1 / -1; color: rgba(255,255,255,.58); font-size: 12px; line-height: 1.6; }
    .creator-feed { display: grid; align-content: center; gap: 12px; }
    .creator-feed-label { margin: 0 0 3px; color: #ffb47f; font-size: 13px; font-weight: 800; letter-spacing: .08em; }
    .creator-topic {
      display: grid;
      grid-template-columns: 48px 1fr;
      gap: 17px;
      align-items: start;
      padding: 20px;
      background: rgba(255,255,255,.075);
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 18px;
      backdrop-filter: blur(10px);
    }
    .creator-topic > span { display: grid; width: 44px; height: 44px; place-items: center; color: #fff; background: var(--orange); border-radius: 13px; font-size: 12px; font-weight: 900; }
    .creator-topic h3 { margin: 0; font-size: 18px; }
    .creator-topic p { margin: 7px 0 0; color: rgba(255,255,255,.64); font-size: 14px; line-height: 1.65; }
    .creator-proof-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 24px; margin-top: 24px; }
    .creator-proof-card, .support-card { padding: 36px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: 0 18px 45px rgba(50, 39, 31, .07); }
    .creator-proof-card h2 { margin: 0; font-size: 29px; line-height: 1.3; }
    .credential-list { display: grid; gap: 10px; margin: 25px 0 0; padding: 0; list-style: none; }
    .credential-list li { display: flex; align-items: center; gap: 12px; padding: 12px 14px; color: #484c52; background: #faf7f4; border-radius: 12px; font-size: 14px; font-weight: 700; }
    .credential-list li span { display: grid; width: 27px; height: 27px; place-items: center; flex: 0 0 auto; color: #fff; background: var(--orange); border-radius: 9px; font-size: 10px; }
    .support-card h2 { margin: 0; font-size: 29px; line-height: 1.3; }
    .support-card > p { margin: 13px 0 0; color: var(--muted); line-height: 1.75; }
    .support-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 25px 0 0; padding: 0; list-style: none; }
    .support-list li { position: relative; min-height: 76px; padding: 16px 16px 16px 46px; background: #faf8f5; border: 1px solid #e8e0d8; border-radius: 15px; color: #474b51; font-size: 14px; line-height: 1.6; }
    .support-list li::before { position: absolute; top: 18px; left: 17px; width: 20px; height: 20px; display: grid; place-items: center; content: "✓"; color: #fff; background: var(--blue); border-radius: 50%; font-size: 11px; font-weight: 900; }
    .support-note { margin: 16px 0 0; color: #7a8799; font-size: 12px; }

    .consult-section { padding-top: 0; }
    .consult-panel {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: 1.12fr .88fr;
      gap: 35px;
      padding: 46px;
      color: #fff;
      background: linear-gradient(135deg, #171b21, #343a43);
      border-radius: var(--radius-lg);
      box-shadow: 0 25px 65px rgba(29, 25, 22, .2);
    }
    .consult-panel::before { position: absolute; top: -120px; right: -80px; width: 300px; height: 300px; content: ""; border: 60px solid rgba(255,255,255,.05); border-radius: 50%; }
    .consult-copy { position: relative; z-index: 2; }
    .consult-copy .section-kicker { color: #ffab70; }
    .consult-copy h2 { margin: 0; font-size: clamp(31px, 4vw, 45px); line-height: 1.2; letter-spacing: -.04em; }
    .consult-copy > p { margin: 15px 0 0; color: rgba(255,255,255,.73); line-height: 1.8; }
    .schedule-list { display: grid; gap: 10px; margin-top: 26px; }
    .schedule-item { display: grid; grid-template-columns: 75px 1fr; align-items: center; gap: 14px; padding: 14px 16px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.13); border-radius: 15px; }
    .schedule-item strong { color: var(--gold); font-size: 12px; }
    .schedule-item span { font-size: 15px; font-weight: 800; }
    .schedule-note { margin-top: 12px !important; font-size: 12px; }
    .contact-card {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 170px 1fr;
      gap: 20px;
      align-items: center;
      padding: 23px;
      color: var(--ink);
      background: #fff;
      border-radius: 22px;
      box-shadow: 0 18px 45px rgba(0, 17, 57, .18);
    }
    .qr-wrap { overflow: hidden; align-self: center; aspect-ratio: 1; padding: 8px; background: #fff; border: 1px solid #e2e7ef; border-radius: 15px; }
    .qr-wrap img { width: 100%; height: 100%; object-fit: cover; object-position: center; border-radius: 9px; }
    .contact-copy small { color: var(--blue); font-weight: 800; }
    .contact-copy h3 { margin: 7px 0 0; font-size: 22px; }
    .contact-copy p { margin: 10px 0 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
    .wechat-id { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin: 16px 0 12px; padding: 10px 12px; background: #f2f6fc; border-radius: 11px; }
    .wechat-id span { color: #6d7b90; font-size: 11px; }
    .wechat-id code { color: var(--navy); font-family: inherit; font-size: 14px; font-weight: 900; }
    .contact-card .button { width: 100%; }
    .contact-static { cursor: default; }
    .contact-static:hover { transform: none; }

    .software-card {
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: 22px;
      padding: 28px 32px;
      color: #fff;
      background: linear-gradient(115deg, #252c38, #303946 66%, #84451c);
      border: 1px solid rgba(255, 132, 42, .45);
      border-radius: 24px;
      box-shadow: 0 20px 50px rgba(23, 30, 42, .18);
    }
    .software-icon { width: 64px; height: 64px; padding: 8px; background: #fff; border-radius: 17px; }
    .software-card h2 { margin: 0; font-size: 24px; }
    .software-card p { margin: 7px 0 0; color: rgba(255,255,255,.65); font-size: 14px; line-height: 1.6; }
    .software-card .button { color: #fff; background: var(--orange); box-shadow: 0 12px 30px rgba(255, 122, 26, .22); white-space: nowrap; }

    .site-footer { padding: 42px 0 100px; color: #6b788c; border-top: 1px solid var(--line); font-size: 13px; }
    .footer-grid { display: flex; align-items: flex-start; justify-content: space-between; gap: 30px; }
    .footer-grid strong { display: block; margin-bottom: 8px; color: var(--ink); font-size: 15px; }
    .footer-grid p { margin: 0; line-height: 1.8; }
    .footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; }
    .footer-links a:hover { color: var(--blue); }

    .mobile-action-bar { display: none; }
    @media (max-width: 1040px) {
      .main-nav { display: none; }
      .nav-actions { margin-left: auto; }
      .hero-grid { grid-template-columns: 1fr .72fr; gap: 35px; }
      .lesson-feature { grid-template-columns: 1fr minmax(260px, 330px); gap: 36px; }
      .lesson-promo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .course-grid { grid-template-columns: 1fr; }
      .course-card { display: grid; grid-template-columns: 1fr 1fr; column-gap: 30px; }
      .course-card .course-top, .course-card h3, .course-card .course-for { grid-column: 1; }
      .course-card .course-label, .course-card .course-list, .course-card .course-result { grid-column: 2; }
      .course-card .course-label { grid-row: 1; margin-top: 8px; }
      .course-card .course-list { grid-row: 2 / span 3; margin-top: 38px; }
      .course-result { grid-row: 5; }
      .course-for { min-height: 0; }
      .route-panel, .philosophy-grid, .creator-panel, .creator-proof-grid, .consult-panel { grid-template-columns: 1fr; }
      .creator-panel { gap: 38px; }
      .route-options { margin-top: 4px; }
      .contact-card { max-width: 650px; }
    }

    @media (max-width: 760px) {
      :root { --shell: min(100% - 28px, 650px); --radius-lg: 24px; }
      body { padding-bottom: 74px; }
      .section { padding: 72px 0; }
      .section-head { margin-bottom: 28px; }
      .app-topbar-inner { min-height: 40px; gap: 10px; }
      .app-topbar-copy { display: none; }
      .app-topbar-inner > a { font-size: 11px; }
      .nav-wrap { min-height: 64px; }
      .nav-wrap { gap: 13px; }
      .brand-mark { width: 38px; height: 38px; border-radius: 11px; }
      .brand-copy small { display: none; }
      .nav-actions .button:last-child { display: none; }
      .nav-actions { gap: 7px; }
      .nav-actions .button { min-height: 42px; padding: 0 11px; font-size: 12px; border-radius: 11px; }
      .nav-actions .button-ip span { display: none; }
      .hero { padding: 58px 0 55px; }
      .hero-grid { grid-template-columns: 1fr; gap: 40px; }
      .hero h1 { font-size: clamp(39px, 11.5vw, 58px); }
      .hero-lead { font-size: 16px; }
      .hero-actions { display: grid; grid-template-columns: 1fr 1fr; }
      .hero-actions .button-link { grid-column: 1 / -1; justify-content: flex-start; }
      .path-panel { padding: 20px; }
      .trust-row { grid-template-columns: 1fr; margin-top: -16px; }
      .trust-item { padding: 17px 19px; }
      .trust-item + .trust-item { border-top: 1px solid var(--line); border-left: 0; }
      .experience { margin-top: 38px; }
      .experience-head { margin-bottom: 32px; }
      .lesson-feature { grid-template-columns: 1fr; }
      .lesson-feature-copy { max-width: 650px; }
      .lesson-video-feature { max-width: 410px; justify-self: center; }
      .lesson-promo-card { display: grid; grid-template-columns: minmax(138px, .78fr) 1fr; }
      .lesson-promo-card .lesson-video { border-right: 1px solid rgba(255,255,255,.08); border-bottom: 0; }
      .lesson-card-copy { align-self: center; }
      .lesson-cta { align-items: stretch; flex-direction: column; }
      .lesson-cta .button { width: 100%; }
      .course-card { display: flex; padding: 23px; }
      .course-card .course-label { margin-top: 22px; }
      .course-card .course-list { margin-top: 0; }
      .course-card h3 { font-size: 22px; }
      .route-panel, .creator-panel, .creator-proof-card, .support-card, .consult-panel { padding: 26px; }
      .route-options { grid-template-columns: 1fr; }
      .philosophy-grid { gap: 35px; }
      .principle-card p { margin-left: 0; }
      .creator-profile h2 { font-size: 39px; }
      .creator-feed { gap: 10px; }
      .support-list { grid-template-columns: 1fr; }
      .consult-panel { gap: 25px; }
      .schedule-item { grid-template-columns: 62px 1fr; }
      .contact-card { grid-template-columns: 142px 1fr; gap: 14px; padding: 16px; }
      .contact-copy h3 { font-size: 19px; }
      .contact-copy p { display: none; }
      .wechat-id { display: grid; gap: 2px; margin: 10px 0; padding: 8px 10px; }
      .software-card { grid-template-columns: auto 1fr; padding: 23px; }
      .software-card .button { grid-column: 1 / -1; }
      .software-icon { width: 52px; height: 52px; }
      .footer-grid { display: grid; }
      .footer-links { justify-content: flex-start; }
      .mobile-action-bar {
        position: fixed;
        z-index: 200;
        right: 0;
        bottom: 0;
        left: 0;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 9px;
        padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
        background: rgba(255,255,255,.95);
        border-top: 1px solid var(--line);
        box-shadow: 0 -10px 30px rgba(48, 37, 29, .12);
        backdrop-filter: blur(14px);
      }
      .mobile-action-bar .button { min-height: 46px; padding: 0 10px; }
    }

    @media (max-width: 430px) {
      .brand-copy strong { font-size: 15px; }
      .brand { gap: 8px; }
      .nav-actions .button { padding-inline: 9px; }
      .nav-actions .button-ip { font-size: 0; }
      .nav-actions .button-ip::after { content: "个人IP"; font-size: 12px; }
      .nav-actions .button-download { font-size: 0; }
      .nav-actions .button-download::after { content: "下载3DM"; font-size: 12px; }
      .hero-actions { grid-template-columns: 1fr; }
      .hero-actions .button-link { grid-column: auto; }
      .path-panel-head { display: grid; }
      .experience-head h2 { font-size: 34px; }
      .lesson-feature { padding: 20px; border-radius: 24px; }
      .lesson-promo-grid { grid-template-columns: 1fr; }
      .lesson-promo-card { grid-template-columns: minmax(126px, 42%) 1fr; }
      .lesson-card-copy { padding: 15px; }
      .lesson-card-copy > span { width: 33px; height: 33px; border-radius: 10px; }
      .lesson-card-copy h3 { margin-top: 12px; font-size: 17px; }
      .lesson-card-copy p { font-size: 12px; line-height: 1.6; }
      .lesson-video figcaption { padding: 8px 10px; font-size: 10px; }
      .creator-panel { padding: 22px; border-radius: 24px; }
      .creator-kicker { align-items: flex-start; flex-direction: column; }
      .creator-ident { align-items: flex-start; }
      .creator-avatar { width: 66px; height: 66px; }
      .creator-profile h2 { font-size: 34px; }
      .douyin-handle { grid-template-columns: 1fr; }
      .douyin-handle small { grid-column: auto; }
      .creator-topic { grid-template-columns: 40px 1fr; gap: 13px; padding: 16px; }
      .creator-topic > span { width: 38px; height: 38px; border-radius: 11px; }
      .contact-card { grid-template-columns: 1fr; text-align: center; }
      .qr-wrap { width: 180px; margin-inline: auto; }
      .wechat-id { text-align: left; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
    }