:root {
  --forest: #14261C;
  --forest-2: #1D3527;
  --cream: #F6F1E3;
  --cream-2: #EFE9DA;
  --leaf: #7BD389;
  --ink: #1B2A20;
  --ink-soft: #4A5B4C;
  --line: rgba(20, 38, 28, 0.14);
  --shell: 1140px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { margin: 0; line-height: 1.3; font-weight: 700; }

h1, h2 { font-family: "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif; }

.page-shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--cream);
  border-bottom: 2px solid var(--forest);
}

.nav-shell {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 800;
  white-space: nowrap;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--forest);
}

.primary-nav { margin-left: auto; }

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14.5px;
  color: var(--ink-soft);
}

.primary-nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
}

.primary-nav a::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--leaf);
  opacity: 0;
  transition: opacity 0.18s ease;
}

.primary-nav a:hover { color: var(--forest); }
.primary-nav a:hover::before { opacity: 1; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--forest);
  color: var(--cream);
  font-size: 14.5px;
  font-weight: 800;
  transition: background 0.18s ease;
}

.nav-download svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-download:hover { background: var(--forest-2); }

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1.5px solid var(--forest);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 15px;
  height: 2px;
  margin: 3px auto;
  background: var(--forest);
}

/* ---------- hero ---------- */
.hero {
  padding: 58px 0 52px;
  background:
    radial-gradient(circle at 8% 12%, rgba(123, 211, 137, 0.2), transparent 46%),
    var(--cream);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 44px;
  align-items: center;
}

.hero-kicker {
  display: inline-block;
  padding-bottom: 2px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #2C6B3D;
  border-bottom: 2px solid var(--leaf);
}

.hero h1 {
  margin: 16px 0 12px;
  font-size: clamp(34px, 4.8vw, 56px);
  letter-spacing: 0.02em;
  color: var(--forest);
}

.hero-subtitle {
  font-size: clamp(17px, 1.9vw, 21px);
  font-weight: 700;
  color: var(--forest);
  background: linear-gradient(transparent 64%, rgba(123, 211, 137, 0.6) 64%);
  display: inline-block;
}

.hero-lead {
  margin-top: 16px;
  max-width: 470px;
  font-size: 15.5px;
  color: var(--ink-soft);
}

.hero-actions {
  margin-top: 26px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 15.5px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button-primary {
  background: var(--forest);
  color: var(--cream);
  box-shadow: 0 12px 24px rgba(20, 38, 28, 0.18);
}

.button-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 28px rgba(20, 38, 28, 0.24);
}

.button-large { padding: 15px 30px; font-size: 16.5px; }

.text-link {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--ink-soft);
  padding-bottom: 1px;
}

.text-link:hover { color: #2C6B3D; }

.hero-tags {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12.5px;
  color: var(--ink-soft);
}

.hero-tags li {
  padding: 3px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.5);
}

.hero-tags b { color: #235C33; }

/* ---------- hero schedule grid ---------- */
.schedule-board {
  padding: 20px;
  border-radius: 14px;
  background: var(--forest);
  color: var(--cream);
  box-shadow: 0 24px 46px rgba(20, 38, 28, 0.26);
}

.schedule-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(246, 241, 227, 0.16);
}

.schedule-head p {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.schedule-head span {
  font-size: 11.5px;
  color: var(--leaf);
}

.schedule-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  padding: 14px 0;
}

.schedule-day {
  padding: 10px 8px;
  border-radius: 8px;
  background: rgba(246, 241, 227, 0.06);
  border-top: 3px solid var(--leaf);
  min-width: 0;
}

.schedule-day b {
  display: block;
  font-family: "Consolas", "Menlo", monospace;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--leaf);
}

.schedule-day small {
  display: block;
  margin-top: 1px;
  font-size: 10.5px;
  color: rgba(246, 241, 227, 0.6);
}

.schedule-day ul {
  margin-top: 9px;
  display: grid;
  gap: 5px;
}

.schedule-day li {
  font-size: 11.5px;
  line-height: 1.5;
  padding: 4px 6px;
  border-radius: 4px;
  background: rgba(246, 241, 227, 0.1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.schedule-foot {
  padding-top: 12px;
  border-top: 1px dashed rgba(246, 241, 227, 0.2);
  font-size: 11.5px;
  color: rgba(246, 241, 227, 0.66);
}

/* ---------- section shared ---------- */
section { padding: 56px 0; }

.section-heading {
  max-width: 660px;
  margin-bottom: 28px;
}

.section-heading .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #2C6B3D;
  margin-bottom: 10px;
}

.section-heading .eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--leaf);
}

.section-heading h2 {
  font-size: clamp(24px, 2.9vw, 33px);
  color: var(--forest);
}

.section-heading p:last-child {
  margin-top: 10px;
  font-size: 14.5px;
  color: var(--ink-soft);
}

.section-heading-split {
  max-width: none;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.section-heading-split > p {
  margin: 0 0 7px;
  font-size: 13.5px;
  color: var(--ink-soft);
  white-space: nowrap;
}

/* ---------- features (dark band) ---------- */
.features {
  background: var(--forest);
  color: var(--cream);
}

.features .section-heading .eyebrow { color: var(--leaf); }
.features .section-heading .eyebrow::before { background: var(--leaf); }
.features .section-heading h2 { color: var(--cream); }
.features .section-heading p:last-child { color: rgba(246, 241, 227, 0.66); }

.schedule-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.schedule-cards article {
  padding: 18px;
  border-radius: 12px;
  background: var(--cream);
  color: var(--ink);
}

.schedule-cards article:nth-child(even) {
  background: #EAE3D1;
}

.schedule-cards span {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #1F5330;
  background: rgba(123, 211, 137, 0.5);
  border-radius: 999px;
  padding: 2px 10px;
  margin-bottom: 10px;
}

.schedule-cards h3 {
  font-size: 17px;
  margin-bottom: 7px;
  color: var(--forest);
}

.schedule-cards p {
  font-size: 13.6px;
  color: var(--ink-soft);
  line-height: 1.75;
}

/* ---------- shots ---------- */
.schedule-shots {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.schedule-shots figure {
  margin: 0;
  padding: 10px 10px 0;
  border-radius: 12px;
  background: #FFFFFF;
  border: 1px solid var(--line);
  box-shadow: 0 12px 26px rgba(20, 38, 28, 0.07);
}

.schedule-shots img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  object-position: top center;
  border-radius: 8px;
  background: var(--cream-2);
}

.schedule-shots figcaption {
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 10px 2px 12px;
  font-size: 13px;
  font-weight: 700;
  color: var(--forest);
}

.schedule-shots figcaption b {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-size: 10.5px;
  background: var(--forest);
  color: var(--leaf);
}

.schedule-shots figcaption small {
  margin-left: auto;
  font-weight: 400;
  font-size: 11px;
  color: var(--ink-soft);
}

.sample-note {
  margin-top: 16px;
  font-size: 12.5px;
  color: var(--ink-soft);
}

/* ---------- faq ---------- */
.faq {
  background: var(--cream-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.faq-rows {
  display: grid;
  gap: 9px;
  max-width: 900px;
}

.faq-rows details {
  padding: 0 18px;
  border-radius: 10px;
  background: #FFFDF7;
  border: 1px solid var(--line);
  border-left: 4px solid #C9D8C4;
}

.faq-rows details[open] { border-left-color: var(--leaf); }

.faq-rows summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
}

.faq-rows summary::-webkit-details-marker { display: none; }

.faq-rows summary h3 {
  flex: 1;
  font-size: 15.5px;
  color: var(--forest);
}

.faq-rows summary i {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(123, 211, 137, 0.32);
}

.faq-rows summary i::before,
.faq-rows summary i::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--forest);
  transform: translate(-50%, -50%);
}

.faq-rows summary i::before { width: 9px; height: 2px; }
.faq-rows summary i::after { width: 2px; height: 9px; transition: opacity 0.2s ease; }
.faq-rows details[open] summary i::after { opacity: 0; }

.faq-rows details > p {
  padding: 12px 0 15px;
  border-top: 1px solid rgba(20, 38, 28, 0.08);
  font-size: 14px;
  color: var(--ink-soft);
}

/* ---------- reviews ---------- */
.note-wall {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.review-card {
  padding: 18px;
  border-radius: 12px;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-bottom: 3px solid rgba(123, 211, 137, 0.7);
}

.review-card > p {
  font-size: 13.8px;
  color: #33453A;
}

.review-meta {
  margin-top: 12px;
  padding-top: 10px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px dashed var(--line);
  font-size: 11px;
  color: #7A8A7C;
}

.review-meta b {
  font-size: 12px;
  color: #1F5330;
}

/* ---------- steps (dark band) ---------- */
.steps {
  background: var(--forest);
  color: var(--cream);
}

.steps .section-heading .eyebrow { color: var(--leaf); }
.steps .section-heading .eyebrow::before { background: var(--leaf); }
.steps .section-heading h2 { color: var(--cream); }
.steps .section-heading p:last-child { color: rgba(246, 241, 227, 0.66); }

.pick-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.pick-row li {
  padding: 22px 20px 24px;
  border-radius: 12px;
  background: rgba(246, 241, 227, 0.06);
  border: 1px solid rgba(246, 241, 227, 0.14);
}

.pick-row span {
  display: block;
  font-family: "Consolas", "Menlo", monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--leaf);
  margin-bottom: 6px;
}

.pick-row h3 {
  font-size: 19px;
  margin-bottom: 6px;
  color: var(--cream);
}

.pick-row p {
  font-size: 13.6px;
  color: rgba(246, 241, 227, 0.72);
  line-height: 1.75;
}

/* ---------- download ---------- */
.download { padding-bottom: 66px; }

.download-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  padding: 34px;
  border-radius: 16px;
  background:
    radial-gradient(circle at 92% 8%, rgba(255, 255, 255, 0.42), transparent 52%),
    var(--leaf);
  color: var(--forest);
  box-shadow: 0 22px 44px rgba(20, 38, 28, 0.16);
}

.download-copy { max-width: 520px; }

.download-copy .eyebrow {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #1F5330;
  margin-bottom: 8px;
}

.download-copy h2 {
  font-size: clamp(24px, 2.8vw, 31px);
  margin-bottom: 8px;
  color: var(--forest);
}

.download-copy p { font-size: 14.5px; color: #21382A; }

.download-act {
  flex: none;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.download-act .button-primary { background: var(--forest); color: var(--cream); }

.download-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-size: 12px;
  color: #21382A;
}

.download-notes li::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--forest);
  vertical-align: 2px;
}

/* ---------- footer ---------- */
.site-footer {
  background: var(--forest);
  color: var(--cream);
  padding: 36px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr) minmax(0, 0.85fr);
  gap: 22px 30px;
  align-items: start;
}

.footer-brand strong {
  display: block;
  font-size: 17px;
  color: var(--leaf);
}

.footer-brand p {
  margin-top: 4px;
  font-size: 12.5px;
  color: rgba(246, 241, 227, 0.66);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 13px;
  color: rgba(246, 241, 227, 0.72);
}

.footer-nav a:hover { color: var(--leaf); }

.footer-meta {
  font-size: 12.5px;
  color: rgba(246, 241, 227, 0.72);
  text-align: right;
}

.footer-meta a:hover { color: var(--leaf); }

.disclaimer {
  grid-column: 1 / -1;
  padding-top: 16px;
  border-top: 1px solid rgba(246, 241, 227, 0.16);
  font-size: 12px;
  line-height: 1.72;
  color: rgba(246, 241, 227, 0.56);
}

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .schedule-board { max-width: 560px; }
  .schedule-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .schedule-shots { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .note-wall { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-meta { text-align: left; }
  .download-panel { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 900px) {
  .primary-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin-left: 0;
    display: none;
    padding: 10px 24px 16px;
    background: var(--cream);
    border-bottom: 2px solid var(--forest);
  }

  .primary-nav.is-open { display: block; }

  .primary-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    font-size: 15px;
  }

  .primary-nav li { width: 100%; }

  .primary-nav a {
    display: block;
    padding: 11px 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-shell { position: relative; flex-wrap: wrap; }
  .primary-nav { order: 4; flex-basis: 100%; }
  .nav-actions { margin-left: auto; }
  .menu-toggle { display: block; }
  .nav-download span { display: none; }
  .nav-download { padding: 10px 12px; }
}

@media (max-width: 640px) {
  .page-shell, .nav-shell { padding-left: 18px; padding-right: 18px; }
  section { padding: 44px 0; }
  .hero { padding: 40px 0 36px; }
  .schedule-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .schedule-cards { grid-template-columns: minmax(0, 1fr); }
  .note-wall { grid-template-columns: minmax(0, 1fr); }
  .pick-row { grid-template-columns: minmax(0, 1fr); }
  .section-heading-split { flex-direction: column; align-items: flex-start; gap: 6px; }
  .section-heading-split > p { white-space: normal; }
  .download-panel { padding: 26px 20px; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .download-act { width: 100%; }
  .download-act .button { width: 100%; justify-content: center; }
}

@media (max-width: 400px) {
  .schedule-shots { grid-template-columns: minmax(0, 1fr); }
  .schedule-board { padding: 16px 14px; }
  .schedule-day { padding: 9px 6px; }
  .schedule-day li { font-size: 10.5px; }
  .brand span { font-size: 15px; }
  .download-panel { padding: 22px 16px; }
}